Which structures form the origin of the biceps brachii?

• A. Intertubercular Groove of Humerus
• B. Acromion Process of Scapula
• C. Coracoid Process and Supraglenoid Tubercle of Scapula
• D. Glenoid Cavity

Answer: (C)

The biceps brachii has two heads that originate on the scapula: the short head starts at the coracoid process, and the long head starts at the supraglenoid tubercle just above the glenoid cavity. Together, these two scapular attachments form the muscle’s origins. The intertubercular groove is where the tendon of the long head travels down the arm, not where it begins, so that option isn’t correct. The acromion process and the glenoid cavity are parts of the shoulder region involved with other structures, not the origins of the biceps. So, the correct pairing is the coracoid process and the supraglenoid tubercle of the scapula.