The biceps is a muscle in the upper arm that helps us to bend the elbow up (flexion) and turn the palm up (supination). It is known as the biceps because it has two heads or attachments around the shoulder: the short head that attaches to the coracoid process, and the long head that runs a very long course up through the bicipital groove, into and through the shoulder joint before attaching to the gristle at the top of the socket (glenoid labrum). The long head of the biceps may contribute to shoulder stability in our younger years, but often becomes diseased and a cause of pain in our older years.
For more information, see Anatomy of the Shoulder.
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