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During the latent phase of muscle contraction, there are several intracellular activities occurring within the muscle fiber. Calcium ions are released from the sarcoplasmic reticulum into the cytosol, which triggers the activation of the contractile proteins actin and myosin. Additionally, ATP is hydrolyzed to provide the necessary energy for cross-bridge formation and movement. This phase is crucial for preparing the muscle fibers for the subsequent contraction.

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4d ago

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