chachachick2176 chachachick2176

03-07-2018
Health

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Two muscles are required to move a bone in the body what happens inside muscles when they contract

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brigat444 brigat444

03-07-2018

When you flex your muscles you are contracting them. When your muscle fibers gain tension through Actin and Myosin crossbridge cycling they may shorten due to the tension. This is called muscle contraction

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