During the orgasmic phase, pleasurable sensations peak and the body discharges its accumulated sexual tension in a burst of muscular contractions.
Muscle contraction is the process through which muscles tighten, contract, shorten, or lengthen as a result of particular types of activity.
Muscles must return to their normal state because muscle contraction and relaxation occur simultaneously. The production of heat from muscle contraction contributes to the maintenance of postures like sitting and standing, the regulation of body temperature, and the stability of joints and connective tissues.
Our muscles are made up of fibers of muscle called myosin, and depending on how we need to use our muscles, this muscle fiber either tightens, loosens, or stretches out. The myosin also contributes to the regular rate of heart muscle contraction.
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