Mięsień najdłuższy piersiowy - Musculus longissimus thoracis


Origin: Illiac crest to the last cervical vertebra.

Insertion: All thoracic ribs.

Action: Extension of the vertebral column. Raising of the cranial portion of the body from the pelvis, sacrum, and loin; in conjunction with the other muscles, fixation of the vertebral column; deflection of the back by fixation of the cervicothoracic junction; sudden raising of the caudal portion of the body; which is initiated by means of the rear extremities.

Nerve: Dorsal branches of the thoracic nerve.

Text by Antoine Micheau, MD - Copyright IMAIOS


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