A Proposal for a New Classification of the Supernumerary Heads of the Biceps Brachii Muscle

Figure 1

Type I of the biceps brachii. (a) Type Ia of biceps brachii. Right arm: CBM coracobrachialis muscle; shBB short head of the biceps brachii; lhBB long head of the biceps brachii; BB biceps brachii; tBB tendon of the biceps brachii; LF lacertus fibrosus. (b) Type Ib of biceps brachii. Right arm: CBM coracobrachialis muscle; shBB short head of the biceps brachii; lhBB long head of the biceps brachii; BB biceps brachii; tBB tendon of the biceps brachii.

(a)

(b)