There is a simple movement we all do whenever we feel fatigued due to assuming a particular position for a long time or feel drowsy (just before going to bed) or after waking up from a nap. it is nature's "reset" button aimed at restoring full muscle function and length.

It is called PANDICULATION

Pandiculation is the act of stretching and stiffening the muscles of the trunk, arms and legs often accompanied by a deep yawn. It usually succedes a long period of being in a particular position or posture and is typically depicted by the arms up over the head, making fists and arching the back like a not-well-formed number 7. We are actually tightening and stretching the muscles out from contraction caused by being in a position for a long time, i.e. we are actively stretching the muscles and not passively (like when you stretch your musclesw to get something)

Pandiculation helps our brains reset what it thinks is a resting muscle and a contracted muscle. It also helps our muscles get out of bad habits. For example, if we sit at a computer all day with our arm lifted to hold and operate the mouse, our muscles develop a habit of holding the arm in that position. By pandiculating, we contract the muscle fully, even past the point where the habit started, then by lengthening out from that full contraction, the brain resets the possible length, allowing full range instead of getting “stuck” in the habit of holding the pattern of operating that mouse when we are no longer sitting at the computer.

noted....

jinha:
noted....

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