KIN 155 Lecture 2: August 24, 2018
7 Oct 2018
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Document Summary
You will have more knowledge/access to pa. Pa in childhood predicts pa in adolescence, which predicts pa in adult life. The typical daily energy expenditure per day is estimated to have decreased by. Access was not as easy for food/work/shopping/etc . Technology eliminates need for activity; we have engineered activity out of our lives. Take a behavior, and find odds of result if behavior is done. Physical activity: not all physical activity is exercise, but all exercise is physical activity. Test question: why are humans meant to move?? (4 reasons) Organism can adapt to wide range of metabolic demands on the body. Ex: break down muscles by weight lifting, when muscles repair stronger. Physical work was necessary to promote species survival. In past, you would be left behind if slow/weak. Ex: no drive through for 1000 calories. Low levels of activity are associated with loss of fat unction, disease, and death. Neural signals travel as electrical impulses stimulate muscular contraction.
