Fig. 3
From: Consensus based recommendations for diagnosis and medical management of Poland syndrome (sequence)
Transverse over the coracoid immediately inferior to the clavicle and medial to gleno-humeral joint. Probe placed transversely over the coracoid (**), found immediately inferior to the clavicle and medial to gleno-humeral joint; on the medial side of the coracoid is possible to appreciate the pectoralis minor muscle (pm). Superficial to the coracoid is located the anterior head of deltoid (da), to differentiate from clavicular component of pectoralis major (p) identifying the cephalic vein in between them (*): pectoralis major muscle intramuscular tendon (arrow)