Effects of exercise

4 terms by silvanajaffe 

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aerobic activity

running, walking, dancing. high blood vessels, high mitochondria, high myogloin. keep tissue aerobic

anaerobic activity

weight lifting, resistance. hypertrophy (enlargens) size of diameter increases more myofibrils. more glycogen. more sarcomeres and crossbridges. satellite cells fuse and divide making muscle cell bigger. no mitosis in mature muscle cell

effects of disuse

atrophy. chronic inactivity causes the muscle cells to get smaller. low myofibrils, less sarcomeres. weakens

testosterone

male sex hormone. stimulates growth of skeletal muscle. high lean muscle mass.

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