PSYCH 243 Chapter Notes - Chapter 4: Pleistocene, Muscle Tone, Muscle Atrophy
Document Summary
Psych 243 chapter 4 exercising and sleeping. Alzheimer"s/parkinson"s: mentally: assists in rapid learning, control of nonessential hyperactivity, and balancing mood to relieve anxiety/depression. Humans had to adapt to physically demanding environment. Sitting for long periods of time is counterproductive to physical and mental well-being. Ancestors walked 5-7 miles every day to obtain food to survive: we are built to walk rapidly for long distances. Natural muscle atrophy, tendons become less flexible. Exercise necessary to maintain flexibility, stretch tendons, and tighten ligaments. Reduces risk of coronary heart disease (30 mins per day: enhances blood delivery in body blood pressure decreases, coronary vessels grow in number and size. Positive conditions of exercising: improve tolerance to psychological stressors, reduce risk of obesity and similar diseases, reduce feelings of anxiety/depression and promotes psychological well-being, may improve academic performance. Aerobic exercise: stimulates muscles of whole body, exercises lungs and heart.
