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during muscle contraction, acts on ligand-gated ion channels in skeletal muscle fibers leading to the release of from the sarcoplasmic reticulum.

Answer :

Muscle cells contain the sarcoplasmic reticulum, a modified endoplasmic reticulum that covers the myofibrils and accumulates calcium.

What is the function of sarcoplasmic?

Its main intracellular calcium store in striated muscle is the sarcoplasmic reticulum (SR), which also has a significant impact on the control of excitation-contraction coupling (ECC) and intracellular calcium concentrations during contraction and relaxation.

What is sarcoplasmic hypertrophy good for?

This amount if sarcoplasm in a muscle fiber increases with sarcoplasmic hypertrophy, increasing the muscle's capacity for work. Because of the fact that the myofibrils have more tools to work with, more sets and reps can be performed.

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