The muscles are composed inside mainly of fibers, filaments and proteins, where it is important to consider the length-tension relationship of the thick and thin filaments to know the tension.
It is an organized and natural event that takes place at the level of the muscles when the fibers and proteins inside them come together, and tension is produced in the area.
Therefore, we can conclude that the contraction allows us to make movements to reach and carry our extremities to different places.
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