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ch 8

effects of exercise on skeletal muscle

QuestionAnswer
if exercise is regularly practiced improves muscle tone and posture, and results in better heart +lung function and reduced fatigue
muscles- change in relation to amount of work they normally do
disuse atrophy prolonged inactivity
hypertrophy increased muscle size due to exercise
strength training exercise involving contraction of muscles against heavy resistance
increases number of myofilaments in each muscle fiber and total muscle mass increases strength training
strength training does not increase the number of muscle fibers
endurance training exercise that increases muscle's ability to sustain moderate exercise over a long period AKA "aerobic training"
allows better delivery of o2 and nutrients to a muscle via blood flow endurance/aerobic training
Created by: b.marshall
 

 



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