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In chapter 9, we learned about skeletal muscle and smooth muscle. We had…
In chapter 9, we learned about skeletal muscle and smooth muscle. We had discussed muscle types, special characteristics, and functions of these muscles. The most important was skeletal muscles response to exercise.
background info
types of muscles
skeletal muscle- voluntary, striated, skeletal
cardiac muscle- involuntary, not striated, cardiac(heart)
smooth muscle- involuntary, not striated, visceral
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myofibrils
striations- stripes formed from repeating series of dark and light bands along length of each myofibril
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microanatomy
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contains glycolgen for energy storage, as well as myoglobin for oxygen storage
causes of fatigue
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increased in inorganic phosphate from CP and ATP breakdown may interfere with calcium release from SR
upstream effects
overall: his diet, age, and amount of exercise contribute to his muscle loss, fatigue and cramping pain.
diet- he does not eat enough protein, he works out so much that his body needs more to eat
exercise- he is working out way to hard, and to fast, he lifts more and works out a lot more than he should a day
age- he is young and his muscles may still be growing, so putting a lot of stress is making it hard on his body
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