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irina irina
wrote...
Posts: 919
11 years ago
what happens to actin and myosin when muscles relax?
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wrote...
11 years ago
In short, an ATP binds the head of the Myosin filament, causing it to release its grip on the Actin filament. This is why you get cramps; they occur if you can't supply enough ATP to relax your muscles, so they stay contracted.
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