Muscular System

Muscle Structure

Do skeletal muscles ever have more than one origin or insertion?

The biceps brachii, located in the arm, is an example of a muscle that has two origins. This is reflected in the name biceps, which means “two heads.” This muscle, which originates on the scapula, extends along the front surface of the humerus and is inserted by means of a tendon on the radium. When the biceps brachii contracts, its insertion is pulled toward its origin, and the forearm flexes at the elbow.


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