force ? 1. You are stimulating a muscle by directly depolarizing the fibers, while recording the force produced. Finish the trace by filling in the forces you expect. Between each treatment, you fully restore the muscle to its initial state. ? normal remove Na + remove Ca++ stim stim stim I II stretched compressed stim stim
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The initial state of the muscle is at rest, with no external stimulation. Show more…
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Put the steps of muscle contraction in order from first (1) to last (5). The sarcomere shortens. Calcium ions are released by a nerve cell. The sarcomere is relaxed. Actin and myosin overlap completely. Actin and myosin are activated.
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