PHYSCI 5 Lecture 5: Lecure 5 Physci 5
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Power = how fast muscles produce force. Exercise does not only benefit the muscles, it benefits other systems in the body such as the: As it adapts, we are able to extract more oxygen from the environment. Oxygen is used to make atp (energy) Cardiovascular system is greatly benefited by exercise. Responsible for delivering blood, which delivers oxygen to the muscles. As we exercise, the heart will beat more efficiently, reducing the risk of heart related diseases. Efficiency to protect us from getting sick is boosted. Hormones are more efficiently regulated throughout the body. Stress: something challenging to your body (something your body is not used to) The higher the stress, the more the adaptation. Adaptation - changes in your body for better performance. There is a thin line between stress and injury. Soreness in muscles comes from inflammation (alarm or exhaustion phase) Adaptation: physiological changes that would lead to an increase in performance.
