Understanding the Function and Importance of Muscle Origins and Insertions in Human Movement

What is attached to a bone that is less movable and further from the center axis?

origin

In the human body, muscles are attached to bones to enable movement. The point of attachment of the muscle on the bone is called the origin. The origin is the less movable attachment site of the muscle on a bone. Generally, the origin is located further from the center axis of the body, in comparison to the insertion which is the point of attachment that moves when the muscle contracts. During a muscle contraction, the muscle fibers shorten, and the insertion moves towards the origin, causing movement at the joint.

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