HN210 Midterm: Axilla & Brachial Plexus
Document Summary
Apex bounded by 1st rib, clavicle & superior edge of scapula. Lateral wall intertubercular sulcus of humerus. Dorsal scapular rhomboids, sometimes levator scapulae. Lateral pectoral nerve pectoralis major, ~ pectoralis minor (medial pectoral) Musculocutaneous coracobrachialis, biceps brachii, brachialis (anterior arm section) Median anterior forearm compartment; all except fcp, 1/2 of flex. Profundus: pronator teres, flexor carpi radialis, palmaris longus, flexor digitorum. Superficialis, half of flexor digitorum profundus, flexor pollicis, longus, Ulnar flexor carpi ulnaris, flexor digitorum profundus. Lower subscapular subscapularis + teres major. Axillary deltoid, teres minor, gh joint. Radial all posterior forearm compartment of arm + forearm triceps brachii, Disease, stretching, wounds in the lateral cervical region or the axilla may produce brachial plexus injuries. Injuries to brachial plexus lead to loss of muscular movement (paralysis), loss of cutaneous sensation (anaesthesia) Injuring superior part of brachial plexus (c5 & c6)
