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Force requirements and patterns of muscle activity

Published online by Cambridge University Press:  04 February 2010

Donna S. Hoffman
Affiliation:
Research Service, Veterans Administration Medical Center, Department of Nurosurgery and Physicology, SUNY Health Science Center at Syraqcuse, Syracuse, NY 13210
Peter L. Strick
Affiliation:
Research Service, Veterans Administration Medical Center, Department of Nurosurgery and Physicology, SUNY Health Science Center at Syraqcuse, Syracuse, NY 13210

Abstract

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Open Peer Commentary
Copyright
Copyright © Cambridge University Press 1989

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References

Abbott, B. C. & Aubert, X. M. (1952) The force exerted by active striated muscle during and after change of length. Journal of Physiology 117:7786. [CCAMC]CrossRefGoogle ScholarPubMed
Abbs, J. H., Cracco, V. L. & Cole, K. L. (1984) Control of multimovement coordination: Sensorimotor mechanisms in speech motor programming. Journal of Motor Behavior 16:195231. [rGLC, BDB]CrossRefGoogle ScholarPubMed
Abdusamatov, R. M., Adamovich, S. V., Berkinblit, M. B., Chernavsky, A. V. & Feldman, A. C. (1989) Rapid one-joint movements: A qualitative model and its experimental verification. In: Stance and motion: Facts and concepts, ed. Curfinkel, V. S., Ioffe, M. E.Massion, J. & Roll., J. P.Plenum. [SVA]Google Scholar
Abdusamatov, R. M., Adamovich, S. V. & Feldman, A. C. (1987) A model for one-joint motor control in man. In: Motor control, ed. Cantchev, C. N., Dimitrov, B. & Catev, P.Plenum. [SVA, MLL]Google Scholar
Abdusamatov, R. M. & Feldman, A. G. (1986) Description of the electromyograms with the aid of a mathematical model for single joint movements. Biophysics 31:549–52. [MLL]Google Scholar
Abend, W., Bizzi, E. & Morasso, P. (1982) Human arm trajectory formation. Brain 105:331–48. [WAM]CrossRefGoogle ScholarPubMed
Accornero, N., Beradelli, M. A. & Manfredi, M. (1984) Two-joint ballistic arm movements. Neuroscience Letters 46:9195. [TF]CrossRefGoogle Scholar
Adamovich, S. V., Boiko, M. I. & Feldman, A. G. (1982) Superposition of central commands during movement generation in human elbow joint. Proceedings of the First Biophysical Congress, Moscow: 4. [SVA]Google Scholar
Adamovitch, S. V., Burlachkova, N. I. & Feldman, A. G. (1984) Wave nature of the central process of formation of the trajectories of change in the joint angle in man. Biophysics 29:130–34. [MLL]Google Scholar
Adamovitch, S. V. & Feldman, A. G. (1984) Model of the central regulation of the parameters of motor trajectories. Biofizika 29:306–9 (English translation, 338–42). [aGLG, SVA, TF, MLL]Google Scholar
Adrian, E. D. & Bronk, D. W. (1929) The discharge of impulses in motor nerve fibers. Part II: The frequency of discharge in reflex and voluntary contractions. Journal of Physiology (London) 67:119–51. [aGLG]Google Scholar
Agarwal, G. C. & Gottlieb, G. L. (1975) An analysis of the electromyogram by Fourier. simulation and experimental techniques. IEEE Transactions on Biomedical Engineering BME 22:225–29. [aGLG]Google Scholar
Agarwal, G. C. (1982) Mathematical modeling and simulation of the postural control loop: Part I. Critical Reviews in Biomedical Engineering 8:493–98. [aGLG. UW]Google Scholar
Angel, R. W. (1974) Electromyography during voluntary movement: The two- burst pattern. Electroencephalography and Clinical Neurophysiology 36:493–98. [aGLG]CrossRefGoogle ScholarPubMed
Angel, R. W. (1977) Antagonist muscle activity during rapid arm movements: Central versus proprioceptive influences. Journal of Neurology, Neurosurgery and Psychiatry 40:683–86. [WAM]Google ScholarPubMed
Asatryan, D. G. & Feldman, A. G. (1965) Functional tuning of the nervous system with control of movements or maintenance of a steady posture. I: Mechanographic analysis of the work of the limb on execution of a postural task. Biophysics 10:925–35. [MLL]Google Scholar
Atkeson, C. C. & Hollerbach, J. M. (1985) Kinematic features of unrestrained vertical arm movements. Journal of Neuroscience 5:2318–30. [TF]CrossRefGoogle ScholarPubMed
Bahill, A. T., Clark, M. & Stark, L. (1975a) The main sequence, a tool for studying human eye movements. Mathematical Biosciences 24:191204. [BB. CG]CrossRefGoogle Scholar
Bahill, A. T. (1975b) Glissades– eye movements generated by mismatched components of the saccadic motoneuronal control signal. Mathematical Biosciences 26:303–18. [BB]CrossRefGoogle Scholar
Baird, J. C. & Noma, E. (1978) Fundamentals of scaling and psychophysics. Wiley. [HH]Google Scholar
Baldissera, F., Campadelli, P. & Piccinelli, L. (1982) Neural encoding of input transients investigated by intracellular injection of ramp currents in cat α-motoneurones. Journal of Physiology 328:7386. [UW]CrossRefGoogle ScholarPubMed
Baldissera, F., Campadelli, P. & Piccinelli, L. (1984) The dynamic response of cat is-motoneurones investigated by intracellular injection of sinusoidal currents. Experimental Brain Research 54:275–82. [UW]Google Scholar
Bartlett, F. C. (1932) Remembering: A study in experimental and social psychology. Cambridge University Press. [aGLG]Google Scholar
Basmajian, J. V. & De Luca, C. J. (1985) Muscles alive. 5th edition. Waverly Press. [aGLG]Google Scholar
Benecke, B., Meinck, H.-M. & Conrad, B. (1985) Rapid goal-directed elbow flexion movements: Limitations of the speed control system due to neural constraints. Experimental Brain Research 59:470–77. [aGLG, DSH]CrossRefGoogle ScholarPubMed
Berardelli, A., Rothwell, J. C., Day, B. L., Kachi, T. & Marsden, C. D. (1984) Duration of the first agonist burst in ballistic arm movements. Brain Research 304:183–87. [aGLG, MH]CrossRefGoogle ScholarPubMed
Berkinblit, M. B., Feldman, A. G. & Fukson, O. I. (1986) Adaptability of innate motor patterns and motor control mechanisms. Behavioral and Brain Sciences 9:585638. ]aGLG, MLL]Google Scholar
Bernstein, N. A. (1935) The problem of interrelation between coordination and localization. Archives of Biological Sciences 38:135 (in Russian). [MLL]Google Scholar
Bernstein, N. A. (1967) The coordination and regulation of movements. Pergamon. [aGLG, SVA, PJC, MLL]Google Scholar
Bigland, B. & Lippold, O. C. J. (1954) The relation between force, vepubnity, and integrated electrical activity in human muscles. Journal of Physiology (London) 123;214–4. [aGLG]CrossRefGoogle ScholarPubMed
Binet, A. & Courtier, J. (1893) Sur la vitesse des mouvements graphiques. Revue Philosophique 35:664–71. [aGLG]Google Scholar
Bizzi, E. (1980) Central and peripheral mechanisms in motor control. In: Tutorials in motor behavior, ed. Stelmach, C. E. & Requin., J.North- Holland. [MLL]Google Scholar
Bizzi, E., Aaccornero, N., Chapple, W. & Hogan, N. (1982) Arm trajectory formation in monkeys. Experimental Brain Research 46:139–43. [JASK, MLL]Google Scholar
Bouisset, S. & Goubel, F. (1968) Interdependence of relations between integrated EMC and diverse biomechanical quantities in normal voluntary movements. Electromyography 8 (Suppl. 1):151–62. [aGLG]Google Scholar
Bouisset, S. & Goubel, F. (1973) Integrated electromyographical activity and muscle work. journal of Applied Physiology 35:696702. [aGLG]Google Scholar
Bouisset, S. & Lestienne, F. (1974) The organization of simple voluntary movement as analyzed from its kinematic properties. Brain Research 71:451–57. [aGLG]CrossRefGoogle Scholar
Bouisset, S., Lestienne, F. & Maton, B. (1977) The stability of synergists in agonists during the execution of a simple voluntary movement. Electroencephalography and Clinical Neurophysiology 42:543–51. [aGLG]Google Scholar
Bridgeman, B. (1983) Phasic eye movement control appears before tonic control in human fetal development, Investigative Ophthalmology and Visual Science 24:658–59. [BB]Google Scholar
Bridgeman, B. (1986) Multiple sources of outflow in processing spatial information. Acta Psychologica 63:3548. [BB]Google Scholar
Brooks, V. B. (1979) Motor programs revisited. In: Posture and movement: Perspective for integrating sensory and motor research on the mammalian nervous system, ed. Talbott, B. E. & Humphrey, D. H.. Raven. [aGLG]Google Scholar
Brown, S. H. & Cooke, J. D. (1981) Amplitude- and instruction-dependent modulation of movement-related electromyogram activity in humans. journal of Physiology (London) 316:97107. [aGLG, ZH]CrossRefGoogle ScholarPubMed
Brown, S. H. & Cooke, J. D. (1984) Initial agonist burst duration depends on movement amplitude. Experimental Brain Research 55:523–27. [aGLG, MH, WAM]CrossRefGoogle ScholarPubMed
Bullock, D. & Crossberg, S. (1988a) Neural dynamics of planned arm movements: Emergent invariants and speed-accuracy properties during trajectory formation. Psychological Review 95:4990. [rGLG, DB]Google Scholar
Bullock, D. & Crossberg, S. (1988b) The VITE model: A neural command circuit for generating arm and articulator trajectories. In: Dynamic patterns in complex systems. ed. Kelso, J. A. S., Mandell, A. J. & Schlesinger., M. F.World Scientific. [rGLG, DB]Google Scholar
Bullock, D. & Crossberg, S. (1988c) Neuromuscular realization of planned arm movement trajectories. Neural Networks 1 (Suppl. 1):329. [DB]CrossRefGoogle Scholar
Bullock, D. & Crossberg, S. (1988d) The neural control of arm and speech movements: A shared architecture for trajectory generation. Neural Networks 1 (Suppl. 1):328. [DB]Google Scholar
Carlton, L. G. (1981) Processing visual information for movement control. Journal of Experimental Psychology: Human Perception and Performance. 7:1019–30. [rGLG]Google Scholar
Cavanagh, P. R. & Komi, P. V. (1979) Electromechanical delay in human muscle under eccentric and concentric contractions. European Journal of Applied Physiology 42:159–63. [aGLG]CrossRefGoogle Scholar
Cheron, C. & Codaux, E. (1986) Self-terminated fast movement of the forearm in man: Amplitude dependence of the triple-burst pattern. journal Biophysique et Bioméchanique 10:109–17. [aGLG, EG, DSH, MLL]Google Scholar
Christakos, C. N., Windhorst, U., Rissing, B. & Meyer-Lohmann, J. (1987) Frequency response of spinal Renshaw cells activated by stochastic motor axon stimulation. Neuroscience 23:613–23. [UW]Google Scholar
Clark, M. & Stark, L. (1974) Control of human eye movements. III: Dynamic characteristics of the eye tracking mechanism. Mathematical Biosciences 20:213–38. [BB]CrossRefGoogle Scholar
Cleveland, S. & Ross, H. C. (1977) Dynamic properties of Renshaw cells: Frequency response characteristics. Biological Cybernetics 27:175–84. [UW]Google Scholar
Cooke, J. D. (1980) The organization of simple skilled movements. In: Tutorials in motor behavior, ed. Stelmach, G. E. & Requin., J.North- Holland. [aGLG, JASK]Google Scholar
Cooke, J. D. & Brown, S. H. (1985) Science and statistics in motor physiology. journal of Motor Behavior 17:489–92. [aGLG rsqb;Google Scholar
Corcos, D. M., Agarwal, G. C. & Cottlieb, G. L. (1985) A note on accepting the null hypothesis: Problems with respect to the mass-spring and pulsestep models of movement control, Journal of Motor Behavior 17:481- 87. [aGLG]Google Scholar
Corcos, D. M., Gottlieb, G. L., Agarwal, G. C. & Liubinskas, T. J. (1986) Effect of inertial load on agonist and antagonist EMC patterns. Proceedings of the 22nd Annual Conference on Manual Control: 219 32 [aGLG]Google Scholar
Corcos, D. M., Gottlieb, C. L. & Agarwal, G. C. (1988) Accuracy constraints upon rapid elbow movements. Journal of Motor Behavior 20:255–72. [arGLG]CrossRefGoogle ScholarPubMed
Corcos, D. M., (in press) Organizing principles for single joint movements. II: A speedsensitive strategy. journal of Neurophysiology. [arGLG]Google Scholar
Cordo, P. J. (1987) Mechanisms controlling accurate changes in elbow torque in humans, Journal of Neuroscience 7:432–42. [CG]CrossRefGoogle ScholarPubMed
Cruse, H. (1986) Constraints for joint angle control of the human arm. Biological Cybernetics 54:125–32. [HH]Google Scholar
Danoff, J. V. (1979) The integrated electromyogram related to angular vepubnity. Electromyogrphy and Clinical Neurophysiology 19:165–74. [aGLG]Google Scholar
Denier van der Gon, J. J. (1979) Spontaneity in motor expression and the art of playing the spinal c(h)ord. In: Authentication in the visual arts, ed. Jaffe, H. L. C., Leeuwen, J. Storm van & van der Tweel, L. H.. Israel, B. M.. [CCAMG]Google Scholar
Denier van der Con, J. J. & Turing, J. P. (1965) The guiding of human writing movements. Kybernetik 2:145–48. [CCAMG, JPW]Google Scholar
Diener, H. C., Horak, F. B. & Nashner, L. M. (1988) Influence of stimulus parameters on human postural responses. journal of Neurophysiology 59:18881905. [PJC]Google Scholar
Droulez, J. & Berthoz, A. (1986) Servo-controlled (conservative) versus topological (projective) mode of sensory motor control. In: Disorders of posture and gait, ed. Bles, W. & Brandt, T.. Elsevier. [PJC]Google Scholar
Enoka, B. M. (1983) Muscular control of a learned movement: The speed control system hypothesis. Experimental Brain Research 51:135–45. [MLL]Google Scholar
Feldman, A. G. (1966) Functional tuning of the nervous system with control of movement or maintenance of a steady posture. III: Mechanographic analysis of execution by man of the simplest motor tasks. Biophysics 11:766–75. [JASK]Google Scholar
Feldman, A. G. (1979) Central and reflex mechanisms of motor control (in Russian). Nauka. [MLL]Google Scholar
Feldman, A. C. (1986) Once more on the equilibrium-point hypothesis (λ model) for motor control, journal of Motor Behavior 18:1754. [aGLG, SVA, DB, JASK, M LL]Google Scholar
Feldman, A. G. & Latash, M. L. (1982) Interaction of afferent and efferent signals underlying joint position sense: Empirical and theoretical approaches. Journal of Motor Behavior 14:174–93. [MLL]CrossRefGoogle ScholarPubMed
Fitts, P. M. (1954) The information capacity of the human motor system in controlling the amplitude of movement, Journal of Experimental Psychology (47:381–91.) [GLG, CG]CrossRefGoogle ScholarPubMed
Fitts, P. M. & Peterson, J. H. (1964) Information capacity of discrete motor responses. Journal of Experimental Psychology 67:103–12. [aGLG]Google Scholar
Flanders, M. & Cordo, P. J. (1987) Quantification of peripherally induced reciprocal activation during voluntary muscle contraction. Elect roencephalography and Clinical Neurophysiology 67:389–94. [M F]Google Scholar
Flanders, M., Cordo, P. J. & Anson, J. G. (1986) Interaction between visually and kinesthetically triggered voluntary responses. Journal of Motor Behavior 18:427–48. [MF]Google Scholar
Flash, T. (1987) the control of hand equilibrium trajectories in multi-joint arm movements. Biological Cybernetics 57:257–74. [TF]Google Scholar
Flash, T. & Hogan, N. (1985) The coordination of arm movements: An experimentally confirmed mathematical model. Journal of Neuroscience 7:16881703. [TF, JPW]Google Scholar
Fournier, E., Katz, R. & Pierrot-Deseilligny, E. (1983) Descending control of reflex pathways in the production of voluntary isolated movements in man. Brain Research 288:375–77. [CG]Google Scholar
Freeman, F. N. (1914) Experimental analysis of the writing movement. Psychological Review Monographs 17:146. [aGLG]Google Scholar
Freund, H.-J. (1986) Time control of hand movements. Progress in Brain Research 64:287–94. [aGLG]Google Scholar
Freund, H.-J. & Budingen, H. J. (1978) The relationship between speed and amplitude of the fastest voluntary contractions of human arm muscles. Experimental Brain Research 31:112. [arGLG, EG, MH, JPW]CrossRefGoogle ScholarPubMed
Georgopoulos, A. P. (1986) On reaching. Annual Review of Neuroscience 9:147–70. [TF]Google Scholar
Georgopoulos, A. P., Kalaska, J. F. & Massey, J. T. (1981) Spatial trajectories and reaction times of aimed movements: Effects of practice, uncertainty, and change in target pubnation, Journal of Neurophysiology 46:725–43. [DB]Google Scholar
Georgopoulos, A. P., Schwartz, A. B. & Kettner, R. E. (1986) Neural population coding of movement direction. Science 233:1416–19. [TF]Google Scholar
Ghez, C. (1979) Contributions of central programs to rapid limb movements in the cat. In: Integration in the nervous system, ed. Asanuma, H. & Wilson, V. J.Igaku-Shoin. [aGLG, CG]Google Scholar
Ghez, C. & Cordon, J. (1987) Trajectory control in targeted force impulses. I: Role of opposing muscles. Experimental Brain Research 67:225–40. [aGLG, CG]Google Scholar
Ghez, C. & Martin, J. H. (1982) The control of rapid limb movement in the cat. III: Agonist-antagonist coupling. Experimental Brain Research 45:115–25. [CG]Google ScholarPubMed
Ghez, C. & Vicario, O. (1978) The control of rapid limb movements in the cat. II: Scaling of rapid force adjustments. Experimental Brain Research 33:191203. [aGLG]Google Scholar
Gibson, A. R., Houk, J. C. & Koblerman, N. J. (1985a) Magnocellular red nucleus activity during different types of limb movement in the macaque monkey. Journal of Physiology (London) 358:527–49. [JCH]CrossRefGoogle ScholarPubMed
Gibson, A. R., Houk, J. C. & Koblerman, N. J.(1985b) Relation between red nucleus discharge and movement parameters in trained macaque monkeys. Journal of Physiology (London) 358:551–70. [JCH]Google Scholar
Gibson, J. E. (1963) Nonlinear automatic control. McCraw-Hill. [rGLG]Google Scholar
Gielen, C. C. A. M., van den Oosten, K. & Pull, ter Gunne F. (1985) Relation between EMC activation patterns and kinematic properties of aimed movements. Journal of Motor Behavior 17:421–42. [aGLG]Google Scholar
Glencross, D. J. & Barrett, N. C. (1989) Discrete movements. In: Human skills, 2nd edition, ed. Holding., D. H.Wiley. [DHH]Google Scholar
Gordon, J. & Chez, C. (1987a) Trajectory control in targeted force impulses. II: Pulse height control. Experimental Brain Research 67:241–52. [arGLG, CG, SAW]Google Scholar
Cordon, J. & Chez, C. (1987b) Trajectory control in targeted force impulses. III: Compensatory adjustments for initial errors. Experimental Brain Research 67:253–69. [aGLG, CG, CCAMG]Google Scholar
Gottlieb, G. L. & Agarwal, G. C. (1970) Filtering of electromyographic signals. American journal of Physical Medicine 49:142–46. [DSH]Google ScholarPubMed
Gottlieb, G. L. & Agarwal, G. C. (1971) Dynamic relationship between isometric muscle tension and the electromyogram in man. Journal of Applied Physiology 30:345–51. [aGLG]Google Scholar
Gottlieb, G. L., & Agarwal, G. C. (1980) Response to sudden torques about ankle in man. III: Suppression of stretch-evoked responses during phasic contraction. Journal of Neurophysiology 44:233–46. [aGLG, MLL]Google Scholar
Gottlieb, G. L. & Agarwal, G. C. (1982) Control theoretic concepts and motor control. Behavioral and Brain Sciences 5:546–47. [ZH]Google Scholar
Gottlieb, G. L., Corcos, D. M. & Agarwal, G. C. (in press) Organizing principles for single joint movements. I:The speed-insensitive strategy. Journal of Neurophysiology. [arGLG]Google Scholar
Gottlieb, G. L., Corcos, D. M., Agarwal, G. C. & Latash, M. (submitted) Organizing principles for single joint movements, III. The speed insensitive strategy by default. [rGLG]Google Scholar
Gottlieb, C. L., Corcos, D. M., Jaric, S. & Agarwal, G. C. (1989) Practice improves even the simplest movements. Experimental Brain Research 73:435–40. [aGLG]Google Scholar
Gracco, V. L. & Abbs, J. H. (1985) Dynamic control of the perioral system during speech: Kinematic analyses of autogenic and nonautogenic sensorimotor processes. Journal of Nenroplaysiology 54:418–32. [DB]Google Scholar
Graham, C. & McRuer, D. (1961) Analysis of nonlinear control systems. Dover Publications. [rGLG]Google Scholar
Granit, R. (1970) The basis of motor control. Academic Press. [UW]Google Scholar
Gravel, D., Belanger, A. L. & Richards, C. L. (1987) Study of human contraction using electrically evoked responses during passive shortening and lengthening movements. European Journal of Applied Physiology 56:623–27. [aGLC]Google Scholar
Greene, P. (1982) Why is it easy to control your arms? Journal of Motor Behavior 4: 260–86. [aGLG]Google Scholar
Grillner, S. (1981) Control of locomotion in bipeds, tetrapods, and fish. In: Handbook of physiology, sec. 1: The nervous system. vol. 2: Motor control, ed. Brooks, V. B.. American Physiological Society. [CG]Google Scholar
Grossberg, S. (1973) Contour enhancement, short-term memory, and constancies in reverberating neural networks. Studies in Applied Mathematics 52: 217–57. [DB]Google Scholar
Hallett, M., Berardelli, A., Matheson, J., Rothwell, J. C. & Marsden, C. D. (submitted) Physiological analysis of simple rapid movements in patients with cerebellar deficits. [MH]Google Scholar
Hallett, M. & Marsden, C. D. (1979) Ballistic flexion movements of the human thumb, Journal of Physiology (London) 294:3350. [aGLG, MH]Google Scholar
Hallett, M., Shahani, B. T. & Young, R. R. (1975) EMC analysis of stereotyped voluntary movements in man. Journal of Neurology, Neurosurgery, and Psychiatry 38:1154–62. [aGLG, MLL]Google Scholar
Hallett, M., Shahani, B. T. & Young, R. R. (1975 a) EMC analysis of patients with cerebellar deficits, Journal of Neurology, Neurosurgery, and Psychiatry 38:1163–69. [WAM]Google Scholar
Hancock, P. A. & Newell, K. M. (1985) The movement speed-accuracy relationship in space-time. In: Motor behavior: Programming, control, and acquisition, ed. Heuer, H., Kleinbeck, U. & Schmidt, K. H.. Springer-Verlag. [aCLG]Google Scholar
Hannaford, B., Lakshminarayanan, V. & Stark, L. (1984) Electromyographic of neurological controller signals with viscous load. Journal of Motor Behavior 16:255–74. [CR]Google Scholar
Hannaford, B. & Stark, L. (1985) Roles of the elements of the triphasic control signal. Experimental Neurology 90:619–34. aGLG, CR]Google Scholar
Hannaford, B. (1987) Late agonist activation burst (PC) required for optimal head movement: A simulation study. Biological Cybernetics 57:321–30. [CR]Google Scholar
Hasan, Z. (1986) Optimized movement trajectories and joint stiffiacss in unperturbed, inertially loaded movements. Biological Cybernetics 53:373–82. [JPW]Google Scholar
Hasan, Z. & Enoka, R. M. (1985) Isometric torque-angle relationship and movement-related activity of human flexors: Implications for the equilibrium-point hypothesis. Experimental Brain Research 59:441- 50. [aGLC]Google ScholarPubMed
Hasan, Z., Enoka, R. M. & Stuart, D. G. (1985) The interface between biomechanics and neurophysiology in the study of movement: Some recent approaches. Exercise and Sport Science Reviews 13:169234. [aGLC]CrossRefGoogle Scholar
Hasan, Z. & Karat, G. M. (1987) Asynchronous initiation of coordinated rotations about the shoulder and elbow. Abstracts of the Society for Neuroscience 13:715. [GEL]Google Scholar
Hasan, Z. & Stuart, D. C. (1988) Animal solutions to problems of movement control: The role of proprioceptors. Annual Review of Neuroscience 11:199223 [SVA]Google Scholar
Henig, W., Favilla, M. & Ghez, C. (1988) Trajectory control in targeted force adjustments for initial errors. Experimental Brain Research 67:253–69. [aGLC, CC, CCAMG]Google Scholar
Gottlieb, C. L. & Agarwal, G. C. (1970) Filtering of electromyographic signals. American journal of Physical Medicine 49: 142–46. [DSH]Google Scholar
Gottlieb, G. L. (1971) Dynamic relationship between isometric muscle tension and the electromyogram in man. Journal of Applied Physiology 30:345–51. [aGLG]Google Scholar
Gottlieb, G. L. (1980) Response to sudden torques about ankle in man. III: Suppression of stretch-evoked responses during phasic contraction. Journal of Neurophysiology 44:233–46. [aGLC, MLL]Google Scholar
Gottlieb, G. L. (1982) Control theoretic concepts and motor control. Behavioral and Brain Sciences 5:546–47. [ZH]Google Scholar
Gottlieb, C. L., Corcos, D. M. & Agarwal, G. C. (in press) Organizing principles for single joint movements. I: A speed-insensitive strategy. Journal of Neurophysiology. [arGLG]Google Scholar
Cottlieb, C. L., Corcos, D. M.. Agarwal, G. C. & Latash, M. (submitted) Organizing principles for single joint movements, III. The speed insensitive strategy by default. [rGLC]Google Scholar
Cottlieb, C. L., Corcos, D. M., Jaric, S. & Agarwal, G. C. (1989) Practice improves even the simplest movements. Experimental Brain Research 73:435–40. [aCLG]Google Scholar
Gracco, V. L. & Abbs, J. H. (1985) Dynamic control of the perioral system during speech: Kinematic analyses of autogenic and nonautogenic sensor motor processes. Jonrmd of Neuroplaysiology 54:418–32. [DB]Google Scholar
Graham, G. & McRuer, D. (1961) Analaysis of nonlinear control systems. Dover Publications. ‘rGLG’Google Scholar
Granit, R. (1970) The basis of motor control. Academic Press. [UW]Google Scholar
Gravel, D., Belanger, A. L. & Richards, C. L. (1987) Study of human contraction using electrically evoked responses during passive shortening and lengthening movements. European Journal of Applied Physiology 56:623–27. [aGLC]Google Scholar
Greene, P. (1982) Why is it easy to control your arms? Journal of Motor Behavior 4:260–86. [aCLG]CrossRefGoogle Scholar
Grillner, S. (1981) Control of locomotion in bipeds, tetrapods, and fish. In: Handbook of physiology, sec. 1: The nervous system. vol. 2: Motor control, ed. Brooks, V. B.. American Physiological Society. [CC]Google Scholar
Grossberg, S. (1973) Contour enhancement, short-term memory, and constancies in reverberating neural networks. Studies in Applied Mathematics 52:217–57. [DB]Google Scholar
Hallett, M., Berardelli, A., Matheson, J., Rothwell, J. C. & Marsden, C. D. (submitted) Physiological analysis of simple rapid movements in patients with cerebellar deficits. [MH]Google Scholar
Hallett, M. & Marsden, C. D. (1979) Ballistic flexion movements of the human thumb, Journal of Physiology (London) 294:3350. [aGLG, MH]Google Scholar
Hallett, M., Shahani, B. T. & Young, R. R. (1975) EMC analysis of stereotyped voluntary movements in man. Journal of Neurology, Neurosurgery, and Psychiatry 38:1154–62. [aGLG, MLL]Google Scholar
Hallett, M., (1975a) EMC analysis of patients with cerebellar deficits, Journal of Neurology, Neurosurgery, and Psychiatry 38:1163–69. [WAM]Google Scholar
Hancock, P. A. & Newell, K. M. (1985) The movement speed-accuracy relationship in space-time. In: Motor behavior: Programming, control, and acquisition, ed. Heuer, H., Kleinbeck, U. & Schmidt, K. H.. Springer-Verlag. [aCLG]Google Scholar
Hannaford, B., Lakshminarayanan, V. & Stark, L. (1984) Electromyographic evidence of neurological controller signals with viscous load. Journal of Motor Behavior 16:255–74. [CR]Google Scholar
Hannaford, B. & Stark, L. (1985) Roles of the elements of the triphasic control signal. Experimental Neurology 90:619–34. [aGLG, CR]Google Scholar
Hannaford, B. (1987) Late agonist activation burst (PC) required for optimal head movement: A simulation study. Biological Cybernetics 57:321–30. [CR]Google ScholarPubMed
Hasan, Z. (1986) Optimized movement trajectories and joint stiffiacss in unperturbed, inertially loaded movements. Biological Cybernetics 53:373–82. [JPW]Google Scholar
Hasan, Z. & Enoka, R. M. (1985) Isometric torque-angle relationship and movement-related activity of human flexors: Implications for the equilibrium-point hypothesis. Experimental Brain Research 59:441–50. [aGLC]Google Scholar
Hasan, Z., Enoka, R. M. & Stuart, D. C. (1985) The interface between biomechanics and neurophysiology in the study of movement: Some recent approaches. Exercise and Sport Science Reviews 13:169234. [aGLC]Google Scholar
Hasan, Z. & Karst, G. M. (1987) Asynchronous initiation of coordinated rotations about the shoulder and elbow. Abstracts of the Society for Neuroscience 13:715. [GEL]Google Scholar
Hasan, Z. & Stuart, D. G. (1988) Animal solutions to problems of movement control: The role of proprioceptors. Annual Review of Neuroscience 11:199223. [SVA]Google Scholar
Henig, W., Favilla, M. & Ghez, C. (1988) Trajectory control in targeted force The nervous system, vol. 2: Motor control, part 2, ed. Brooks, V. B.. American Physiological Society. [aGLG]Google Scholar
Kelso, J. A. S. & Holt, K. C. (1980) Exploring a vibratory systems analysis of human movement production. Journal of Neurophysiology 43:1183- 96. [JASK]Google Scholar
Kelso, J. A. S. & Schöner, C. (1987) Toward a physical (synergetic) theory of biological coordination. springer Proceedings in Physics 19:224–37. [JASK]Google Scholar
Kelso, J. A. S., Schöner, C., Scholz, J. P. & Haken, H. (1987) Phase-pubnked modes, phase transitions, and component oscillators in biological motion. Physica Scripta 35:7987. [JASK]Google Scholar
Kelso, J. A. S. & Tuller, B. (1987) Intrinsic time in speech production: Theory, methodology, and preliminary observations, In: Sensory and motor processes in language, ed. Keller, E. & Copnik, M.. Erlbaum. [SAW]Google Scholar
Kerlinger, F. N. (1973) Foundations of behavioral research, 2nd edition. Holt, Rhinehart & Winston. [aCIC]Google Scholar
Knox, C. K. (1974) Cross-correlational functions for a neuronal model. Biophysical Journal 14:567–82. [aGLG]Google Scholar
Kornhuber, H. H. (1971) Motor functions of the cerebellum and basal ganglia: The cerebelpubnortical saccadic (ballistic) cpubnk, the cerebellomuclear hold regulator, and the basal ganglia ramp (voluntary speed smooth movement) generator. Kybernetik 8:157–62. [WAM]CrossRefGoogle Scholar
Kots, Y. M. (1977) The organization of voluntary movement. Plenum. [aCLG]Google Scholar
Kugler, P. N. & Turvey, M. T. (1987) Information, natural law, and the self- assembly of rhythmic movement. Erlbaum. [KM N]Google Scholar
Kuo, B. C. (1987) Automatic control systems, 5th edition. Prentice Hall. [rGLC]Google Scholar
Kuypers, J. C. J. M. (1981) Anatomy of the descending pathways. In: Handbook of physiology. sec. 1: The nervous system, vol. 2: Motor control, part 1, ed. Brooks, V. B.. American Physiological Society. [JCH]Google Scholar
Laouris, Y. & Windhorst, U. (1989) The relationship between coherence and nonlinear characteristics in Renshaw cell responses to random motor axon stimulation. Neuroscience. [UW]Google Scholar
Lashley, K. S. (1917) The accuracy of movement in the absence of excitation from the moving organ. American Journal of Physiology 43 169–94. [aCLC]Google Scholar
Lashley, K. S. (1951) The problem of serial order in behavior. In: Cerebral mechanisms in behavior: The Hixon Symposium, ed. Jeffress, L. A.. Wiley. [aGLG]Google Scholar
Latash, M. L. & Gottlieb, C. L. (submitted) A model of dynamic regulation of fast single-joint movements: Emergence of reproducible EMG patterns. [MLL]Google Scholar
Lee, W. A. (1984) Neuromotor synergies as a basis for coordinating intentional action. Journal of Motor Behavior 16: 135–70. [SAW]Google Scholar
Lestienne, F. (1979) Effects of inertial load and velocity on the braking process of voluntary limb movements. Experimental Brain Research 35: 408–18. [aGLG, ZH, MLL, WAM]Google Scholar
Lestienne, F., Polit, A. & Bizzi, E. (1981) Functional organization of the motor process underlying the transition from movement to posture. Brain Research 230: 121–31. [JASK]Google Scholar
Loeb, G. E. (1985) Motoneurone task groups: Coping with kinematic hetrogeneity. Journal of Experimental Biology 115: 127–46. [CCAMG]Google Scholar
MacKenzie, C. L., Marteniuk, R. G., Dugas, C., Liske, D. & Eickemeter, B. (1987) Three-dimensional movement trajectories in Fills's task: Implications for control. Quarterly journal of Experimental Psychology 39A: 629–47. [aGLG]Google Scholar
Marsden, C. D., Obeso, J. A. & Rothwell, J. C. (1983) The function of the antagonist muscle during fast limb movements in man. Journal of Physiology (London) 335: 113. [aGLG, ZH, DSH]Google Scholar
Marsden, C. D., Rothwell, J. C. & Day, B. L. (1984) The use of peripheral feedback in the control of movement. Trends in Neuroscience 7: 253–57. [aGLG]Google Scholar
Matthews, P. B. C. (1959) The dependence of tension upon extension in the strength reflex of the soleus of the decerebrate cat. Journal of Physiology 47: 521–46. [MLL]Google Scholar
McCrea, D. A. (1986) Spinal cord circuitry and motor reflexes. Exercise and Sport Science Reviews 14: 105–42. [GEL]Google Scholar
McKay, W. A. (1988) Unit activity in the cerebellar nuclei related to arm reaching movements. Brain Research 442: 240–54. [WAM]Google Scholar
Meinck, H., Benecke, R., Meyer, W., Hohne, J. & Conrad, B. (1984) Human ballistic finger flexion: Uncoupling of the three-burst pattern. Experimental Brain Research 55: 127–33. [aGLG]Google Scholar
Meyer, D. E., Abrams, B. A., Koenblum, S., Wright, C. E. & Smith, J. E. K. (1988) Optimality in human motor performance: Ideal control of rapid aimed movements. Psychological Review 95: 340–70. [arGLG]Google Scholar
Meyer, D. E., Komblum, S., Abrams, B. A., Wright, C. E. & Smith, J. E. K. (1988) Optimality in human motor performance: Ideal control of rapid aimed movements. Psychological Review 95: 340–70. [CG]Google Scholar
Meyer, D. E., Smith, J. E. K. & Wright, C. E. (1982) Models for the speed and accuracy of aimed limb movements. Psychological Review 89: 449–82. [aGLG, SAW]Google Scholar
Milner, T. E. (1986) Controlling velocity in rapid movements. Journal of Motor Behavior 18: 147–61. [aGLG, BDB, JPW]Google Scholar
Moore, A. D. (1967) Synthesized EMG waves and their implications. American Journal of Physical Medicine 46: 1302–16. [aGLG]Google Scholar
Mustard, B. E. & Lee, R. G. (1987) Relationship between EMG patterns and kinematic properties for flexion movements at the human wrist. Experimental Brain Research 66: 247–56. [arGLG, ZH, DSH, MLL, JPW]Google Scholar
Nam, M. H., Lakshminarayanan, V. & Stark, L. W. (1984) Effect of external viscous load on head movement. IEEE Transactions on Biomedical Engineering BME-31: 303–9. [CR]Google Scholar
Nashner, L. M. & McCollum, G. (1985) The organization of human postural movements: A formal basis and experimental synthesis. Behavioral and Brain Sciences 8: 135–72. [PJC]Google Scholar
Neilson, P. D., Neilson, M. D. & O'Dwyer, N. J. (1988) Internal models and intermittency: A theoretical account of human tracking behavior. Biological Cybernetics 58: 101112. [PDN]Google Scholar
Neisser, U. (1976) Cognition and reality. Freeman, W. H.. [rGLG]Google Scholar
Nelson, W. L. (1983) Physical principles for economies of skilled movements. Biological Cybernetics 46: 135–47. [aGLG]Google Scholar
Newell, K. M. (1986) Constraints on the development of coordination. In: Motor development in children: Aspects of coordination and control. ed. Wade, M. G. & Whiting, H. T. A.. Martinus Nijhoff. [KMN]Google Scholar
Newell, K. M. (in press) On task and theory specificity. Journal of Motor Behavior. [KMN]Google Scholar
Newell, K. M. & Carlton, L. C. (1988) Force variability in isometric responses. Journal of Experimental Psychology: Human Perception and Performance 14: 2436. [KMN]Google Scholar
Newell, K. M. & Hancock, P. A. (1984) Forgotten moments: A note on skewness and kurtosis as influential factors in inferences extrapolated from response distributions. Journal of Motor Behavior 16: 320–35. [rGLG]Google Scholar
Nimmo-Smith, I. (submitted) A visco-elastic approach to the organization of smooth movement. [JPW]Google Scholar
Norman, D. A. & Bobrow, D. C. (1975) On data-limited and resource-limited processes. Cognitive Psychology 7: 4464. [HH]Google Scholar
Norman, R. W. & Komi, P. V. (1979) Electromechanical delay in skeletal muscle under normal movement conditions. Acta Physiologica Scandinavica 106: 241–48. [aGLG]Google Scholar
Ogata, K. (1970) Modern control engineering. Prentice-Hall. [rGLG]Google Scholar
Patton, N. J. & Mortenson, O. A. (1971) An electromyographic study of reciprocal activity of muscles. Anatomical Record 170: 255–68. [rGLG]Google Scholar
Person, R. S. & Libkind, M. S. (1967) Modelling of interference myoelectric activity. Biofizika 12: 127–34 (English translation, 145–53). [aGLG]Google Scholar
Prochazka, A., Hulliger, M., Zangger, P. & Appenteng, K. (1985) “Fusimotor set”: New evidence for a-independent control of γ-motoneurones during movement in the awake cat. Brain Research 339: 136–40. [UW]Google Scholar
Pylyshyn, Z. W. (1980) Computation and cognition: Issues in the foundations of cognitive science. Behavioral and Brain Sciences 3: 111–69. [BDB]CrossRefGoogle Scholar
Rack, P. M. H. & Westbury, D. B. (1969) The effects of length and stimulus rate on tension in the isometric cat soleus muscle. Journal of Physiology (London) 204: 443–60. [aGLG]Google Scholar
Ramos, C. F., Hacisalihzade, S. S. & Stark, L. W. (submitted) The behavior space of a stretch reflex model and its implications for the neural control of voluntary movements. [CR]Google Scholar
Ramos, C. F. & Stark, L. W. (1987) Simulation studies of descending and reflex control of fast movements. Journal of Motor Behavior 19: 3861. [CR]Google Scholar
Ramsey, R. W. & Street, S. F. (1940) The isometric length-tension diagram of isolated skeletal muscle fibers of the frog. Journal of Cellular and Comparative Physiology 15: 1134. [aGLG]Google Scholar
Robinson, D. A. (1970) Oculomotor Unit behaviour in the monkey. Journal of Neurophysiology 33: 393404. [EG]Google Scholar
Robinson, D. A. (1975) Oculomotor control signals in basic mechanisms of ocular motility and their clinical implications, ed. Lennerstrand, C. & Bach-y-Rita, P.. Pergamon. [CG]Google Scholar
Ross, H. G., Cleveland, S. & Kuschmierz, A. (1982) Dynamic properties of Renshaw cells: Equivalence of responses to step changes in recruitment and discharge frequency of motor axons. Pflügers Archiv 394: 239- 42. [UW]Google Scholar
Saltzman, E. & Kelso, J. A. S. (1987) Skilled actions: A task-dynamic approach. Psychological Review 94: 84106. [BDB]Google Scholar
Sanes, J. N. & Jennings, V. A. (1984) Centrally programmed patterns of muscle activity in voluntary motor behavior of humans. Experimental Brain Research 54: 2332. [aGLG, MLL]Google Scholar
Schmidt, B. A. (1975) A schema theory of discrete motor skill learning. Psychological Review 82: 1225–60. [aGLG, BDB]Google Scholar
Schmidt, R. A. (1976) The schema as a solution to some persistent problems in motor learning theory. In: Motor control: Issues and trends, ed. Stelmach, G. E.. Academic Press. [BDB]Google Scholar
Schmidt, H. A., Sherwood, D. E. & Walter, C. B. (1988) Rapid movements with reversals in direction. I: The control of movement time. Experimental Brain Research 69: 344–54. [arGLG, SAW]Google Scholar
Schmidt, R. A., Zelaznik, H. N., Hawkins, B., Frank, J. S. & Quinn, J. T. (1979) Motor output variability: A theory for the accuracy of rapid motor acts. Psychological Review 86: 415–51. [aGLG, SAW]Google Scholar
Schöner, C. & Kelso, J. A. S. (1988) Dynamic pattern generation in behavioral and neural systems. Science 239: 1513–20. [JASK]Google Scholar
Schwartz, A. B. & Georgopoulos, A. P. (1987) Relations between the amplitude of two-dimensional arm movements and single cell discharge in primate motor cortex. Society of Neuroscience Abstracts 13: 244. [TF]Google Scholar
Scudder, C. A. (1988) A new pubnal feedback model of the saccadic burst generator. Journal of Neurophysiology 59: 1455–75. [CCAMG]Google Scholar
Shapiro, D. C. & Walter, C. B. (1986) An examination of rapid positioning movements with spatiotemporal constraints. Journal of Motor Behavior 18: 372–95. [arGLC. DHH. SAW]Google Scholar
Sherwood, D. E., Schmidt, R. A. & Walter, C. B. (1988) Rapid movements with reversals in direction. II: Control of movement amplitude and inertial load. Experimental Brain Research 69: 355–67. [aGLG]Google Scholar
Sittig, A. C., Denier, van der Gon J. J. & Gielen, C. C. A. M. (1987) The contribution of afferent information on position and vepubnity to the control of slow and fast forearm movements. Experimental Brain Research 67: 3340. [CCAMG]CrossRefGoogle Scholar
Sittig, A. C., Denier van der Gon, J. J., Gielen, C. C. A. M. & van, Wijk A. J. M. (1985) The attainment of target position during step-tracking movements despite a shift of initial position. Experimental Brain Research 60: 407–10. [CCAMG]Google Scholar
Soechting, J. F. (1984) Effect of target size on spatial and temporal characteristics of a pointing movement in man. Experimental Brain Research 54: 121–32. [TF]Google Scholar
Soechting, J. F. & Lacquaniti, F. (1981) Invariant characteristics of a pointing movement in man. Journal of Neuroscience 1: 710–20. [PJC]Google Scholar
Sparrow, W. A. (1983) The efficiency of skilled performance. Journal of Motor Behavior 15: 237–61. [aGLG]Google Scholar
Stark, L. & Bridgeman, B. (1983) Role of corollary discharge in space constancy. Perception & Psychophysics 34: 371–80. [BB]Google Scholar
Stein, R. B. (1982) What muscle variable(s) does the nervous system control in limb movements? Behavioral and Brain Sciences 5: 535–77. [aGLG, SVA, GEL].Google Scholar
Stein, R. B., Leung, K. V., Mangeron, D. & Oguztorelli, M. N. (1974) Impaired neuronal models for studying neural networks. Kybernetik 15: 19. [aGLG]Google Scholar
Stimpel, E. (1933) Der Wurf. Neue Psychologische Studien 9: 105–38. [HH]Google Scholar
Summers, J. J. (1988) Motor programs. In: Human skills (2nd ed.), ed. Holding, D. H.. Wiley. [BDB]Google Scholar
Summers, J. J., Bell, R. & Burns, B. D. (1989) Perceptual and motor factors in the imitation of simple temporal patterns. Psychological Research 51. [BDB]Google Scholar
Summers, J. J. & Burns, B. D. (1989) Timing in human movement sequences. In: Cognitive models of psychological time, ed. Block, R. A.. Erlbaum. [BDB]Google Scholar
Teulings, H. L., Thomassen, A. J. W. M. & Van, Galen C. P. (1986) Invariants in handwriting: The information contained in a motor program. In: Craphonoinics: Contemporary research in handwriting, ed. Kao, H. S. R., van Calen, C. P. & Hoosain, H.. North-Holland. [HLT]Google Scholar
Thomassen, A. J. W. M. & Teulings, H. L. (1985) Time, size, and shape in handwriting: Exploring spatio-temporal relationships at different levels. In: Time, mind, and behavior, ed. Michon, J. A. & Jackson, J. B.. Springer-Verlag. [HLT]Google Scholar
Turvey, M. T. & Kugler, P. N. (1984) An ecological approach to perception and action. In: Human motor action: Bernstein reassessed, ed. Whiting, H. T. A.. North-Holland. [KMN]Google Scholar
van, der Meulen J. H. P., Denier, van der Con J. J. & Cielen, C. C. A. M. (1988) Mechanisms underlying accuracy in fast goal-directed movements. In: Proceedings of the 7th Congress of the International Society of Electrophysiological Kinesiology. Elsevier. [CCAMC]Google Scholar
van, Gisbergen J. A. M., Robinson, D. A. & Cielen, S. (1981) A quantitative analysis of the generation of saccadic eye movements by burst neurons. Journal of Neurophysiology 45:417–42. [CCAMG]Google Scholar
van, Sonderen J. F., Denier, van der Con J. J. & Cielen, C. C. A. M. (1988) Conditions determining early modification of motor programmes in response to changes in target pubnation. Experimental Brain Research 71:320–28. [CCAMC]Google Scholar
Viviani, P. S. & Terzuolo, C. (1982) Trajectory determines movement dynamics. Neuroscience 7:431–37. [TF]Google Scholar
Wachholder, K. & Altenburger, H. (1926) Beitrage zur Physiologie der willkurlichen Bewegung. X: Mitteilung. Einzelbewegungen. Pflüigers Archiv für die gesamte physiologie des menschen unter der tiere 214:642–61. [aGLG]Google Scholar
Wadman, W. J., Denier, van der Con J. J. & Dersken, R. J. A. (1980) Muscle activation patterns for fast goal-directional arm movements. Journal of Human Movement Studies 6:1937. [TF]Google Scholar
Wadman, W. J., Denier, van der Con J. J., Geuze, H. H. & Mol, C. H. (1979) Control of fast goal-directed arm movements. Journal of Human Movement Studies 5:317. [aGLC, SVA, TF, MLL, JPW]Google Scholar
Wallace, S. A. (1981) An impulse-timing theory for reciprocal control of muscular activity in rapid, discrete movements. Journal of Motor Behavior 13:144–60. [aGLC, MLL, SAW]Google Scholar
Wallace, S. A. & Weeks, D. L. (1988) Temporal constraints in the control of prehensile movements. Journal of Motor Behavior 20:81105. [SAW]Google Scholar
Wallace, S. A. & Wright, L. (1982) Distance and movement effects on the timing of agonist and antagonist muscles: A test of the impulse-timing theory. Journal of Motor Behavior 14:341–52. [aCLG]Google Scholar
Wann, J. P. (1987) Trends in refinement and optimization of fine-motor trajectories: Observations from an analysis of the handwriting of primary school children. Journal of Motor Behavior 19:1337. [JPW]Google Scholar
Wann, J. P. (1988) The control of fine-motor trajectories. Doctoral thesis, Cambridge University. [JPW]Google Scholar
Wann, J. P., Nimmo-Smith, I. & Wing, A. M. (1988) Relation between vepubnity and curvature in movement: Equivalence and divergence between a power law and a minimum-jerk model. journal of Experimental Psychology: Human Perception and Performance 14:622–37. [JPW]Google Scholar
Waters, P. & Strick, P. L. (1981) Influence of “strategy” on muscle activity during ballistic movements. Brain Research 207:189–94. [arGLC, BOB, DSH]Google Scholar
Weiss, P. (1941) Self-differentiation of the basic patterns of coordination. Comparative Psychology Monographs 17(4). [DB]Google Scholar
Westbury, D. H. (1981) Electrophysiological characteristics of spinal gamma motoneurons in the cat. In: Muscle receptors and nwvement, ed. Taylor, A. & Prochazka, A.. Macmillan. [UW]Google Scholar
Wickelgren, W. A. (1977) Speed-accuracy tradeoff and information processing dynamics. Acta Psychologica 41:6785. [HH]Google Scholar
Windhorst, U. (1988) How brain-like is the spinal cord? Interacting cell assemblies in the nervous system. Springer-verlag,. [UW]Google Scholar
Windhorst, U. & Koehler, W. (1983) Dynamic behaviour of a-motoneurone sub-pools subjected to inhomogeneous Renshaw cell inhibition. Biological Cybernetics 46:217–28. [UW]Google Scholar
Windhorst, U. & Koehler, W. (1986) The dynamic effects of inputs to spinal motoneurones of different type upon the outputs of y-motoneurones mediated via recurrent inhibition. Biological Cybernetics 54:167–77. [UW]Google Scholar
Wright, C. E. & Meyer, D. E. (1983) Conditions for a linear speed-accuracy trade-off in aimed movements. Quarterly Journal of Experimental Psychology 35A:279–96. [aGLG, DHH]Google Scholar
Zajac, F. E. & Gordon, M. E. (1989) Determining muscle's force and action in multi-articular movements. Exercise and Sport Science Reviews 17:187230. [GEL]Google Scholar
Zelaznik, H. N., Schmidt, B. A. & Gielen, S. C. A. M. (1986) Kinematic properties of rapid aimed hand movements. Journal of Motor Behavior 18:353–72. [aGLG]Google Scholar