Description
Origin & Insertion – Anterior
Origin and insertion refer to the two attachment points of a muscle. The anterior aspect of the origin and insertion system includes the muscles of the front of the body, including the muscles of the face, neck, chest, abdomen, and upper and lower limbs. The origin of a muscle is the point of attachment that remains relatively fixed during contraction. At the same time, the insertion is the point of attachment that moves towards the origin during contraction.
Origin & Insertion – Posterior
Origin and insertion refer to the two attachment points of a muscle. The posterior aspect of the origin and insertion system includes the back muscles of the body, including the neck, shoulders, upper and lower back, and hips and legs. The origin of a muscle is the point of attachment that remains relatively fixed during contraction. At the same time, the insertion is the point of attachment that moves towards the origin during contraction.

