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Chapter 10 - Menstrual changes: amenorrhea, oligomenorrhea, polycystic ovary syndrome, and abnormal menstrual bleeding
from Section 3 - Genitourinary concerns
- By Jo Ann Rosenfeld
Edited by Jo Ann Rosenfeld, The Johns Hopkins University School of Medicine
Book:

Handbook of Women's Health

Published online:

26 December 2009

Print publication:

22 October 2009, pp 129-136
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Summary

Regular physical activity and exercise result in positive improvements in health and fitness. Moderate amounts of physical activity can reduce the risk of certain types of cancer, heart disease, diabetes, and obesity. Burning approximately 150 kilocalories per day or 1,000 kilocalories per week leads to a reduction in the risk of coronary heart disease by 50% and of hypertension, diabetes, and colon cancer by 30%. The evidence for exercise providing a reduction in the risk of breast cancer is equivocal. Women who are physically active have higher resting metabolic rates and lower body fat, but similar fat-free mass, body mass index, and body weight compared to their sedentary counterparts. The type of exercise performed depends on the desired goal. If a woman wants to build muscular strength, then resistance training is appropriate. Exercise prescriptions for a female athlete are specific to the demands of her sport.