The Systems/Parts category is designed to help understand the characteristics of specific physiological systems or body parts.  The relationship of each system or body part is described in its association with exercise, fitness, structure, function, risks, use for safety and use for performance. By understanding the systems and body parts you will have a better understanding of how to improve performance and longevity and avoid injuries.

Each physiological system or body part is listed with its characteristics of function, importance in development and maintenance, strengths, weaknesses, adaptive responsive to exercise, and vulnerability to risks and associated precautions.

Understanding exercise and its effect on physiology is key to understanding the science of human performance and improving human performance. Exercise Physiology is the main academic category that covers the logical explanations of physiological systems under stress of activity. Other studies include Anatomy, Ergonomics, Neurology and Motor Control, and Nutrition.

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