Deltopectoral groove

The deltopectoral groove is an indentation in the muscular structure between the deltoid muscle and pectoralis major.^[1]

It is the location through which the cephalic vein passes and where the coracoid process is most easily palpable.

Additional images

deltoid rotator cuff supraspinatus infraspinatus teres minor subscapularis teres major
fascia:	deltoid fascia supraspinous fascia infraspinous fascia

anterior	coracobrachialis biceps brachialis
posterior	triceps brachii anconeus articularis cubiti
fascia	axillary sheath axillary fascia brachial fascia intermuscular septa lateral medial
other	spaces quadrangular space triangular space triangular interval

superficial:	pronator teres palmaris longus flexor carpi radialis flexor carpi ulnaris flexor digitorum superficialis
deep:	pronator quadratus flexor digitorum profundus flexor pollicis longus

superficial:	mobile wad brachioradialis extensor carpi radialis longus and brevis extensor digitorum extensor digiti minimi extensor carpi ulnaris
deep:	supinator anatomical snuff box abductor pollicis longus extensor pollicis brevis extensor pollicis longus extensor indicis

other

lateral volar

medial volar

intermediate

posterior:	extensor retinaculum extensor expansion
anterior:	flexor retinaculum palmar aponeurosis

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