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

User Graeme Wicksted
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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
User Shua
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