Brachial Plexus & Nerves Flashcards
What does long thoracic innervate?
Serratus anterior
What does dorsal scapular innervate?
Rhomboids & levator scapulae
What does suprascapular innervate?
Supraspinatus & infraspinatus muscles; glenohumeral (shoulder) joint
What does subclavian nerve innervate?
Subclavius & sternoclavicular joint
What does lateral pectoral innervate?
Pectoralis major
What does musculocutaneous nerve innervate?
Biceps brachii, Brachialis, Coracobrachialis (anterior compartment of arm); skin of lateral aspect of forearm
What does the median nerve innervate?
Musces of anterior forearm compartment (EXCEPT flexor carpi ulnaris & ulnar half of flexor digitorum profundus); five intrinsic muscles in thenar half of palm & palmar skin
What does medial pectoral nerve innervate?
Pectoralis minor and pectoralis major
What does medial cutaneous nerve of arm innervate?
skin of medial side of arm up to medial epicondyle of humerus & olecranon of ulna
What does the median cutaneous nerve of forearm innervate?
Skin of medial side of forearm up to wrist
What does the ulnar nerve innervate?
Flexor carpi ulnaris & ulnar half of flexor digitorum profundus (forearm); most intrinsic muscles of hand; skin of hand medial to axial line of digit 4
What does upper subscapular nerve innervate?
Superior portion of subscapularis
What does lower subscapular nerve innervate?
Inferior portion of subscapularis and teres major
What does thoracodorsal nerve innervate?
Latissimus dorsi
What does the axillary nerve innervate?
Deltoids, teres minor, glenohumeral (shoulder) joint, skin of superolateral arm (over inferior part of deltoid)
