Brachial Plexus and Axillary Artery

dorsal scapular n

branches off of C5, goes on to innervate rhomboids and levator scapulae

suprascapular n

branches off of the superior trunk, goes on to innervate supraspinatus and infraspinatus

C5-T1

spinal nerves that makes up the brachial plexus

lateral pectoral n

branches off the lateral cord, goes on to innervate pectoralis major

thoracodorsal n

branches off the posterior cord, goes on to innervate latissimus dorsi

upper and lower subscapular n

branch off the posterior cord and go on to innervate subscapularis

long thoracic n

branches from C5-T1 and goes on to innervate serratus anterior

medial pectoral n

branches off the medial cord and goes on to innervate pectoralis minor

medial cutaneous nerve of arm and forearm

branches off the medial cord and goes on to innervate the skin of the arm and foream

musculocutaneous n

continuation of the lateral cord, goes on to innervate the muscles of the anterior compartment of the arm

median n

branches from lateral and medial cords, goes on to innervate the muscles of the forearm and hand

ulnar n

continuation of the medial cord, goes on to innervate the forearm and hand

1st rib

landmark that marks the end of the subclavian a and the beginning of the axillary a

superior thoracic a

branch of the first part of the axillary a, to intercostal space between ribs 1 and 2

thoracoacromial trunk

branch of the second part of the axillary a, goes to CAPD (clavicle, acromion, pectorals, deltoid)

lateral thoracic a

branch from the 2nd part axillary a, goes on to supply serratus anterior

posterior humeral circumflex a

branches from the 3rd part of the axillary a, runs with the axillary n

anterior humeral circumflex a

branches from the third part of the axillary, wraps around the anterior humerus

subscapular a

branches from the third part of the axillary a, further branches into the circumflex scapular artery and thoracodorsal a

thoracodorsal a

branches from the subscapular a (from the 3rd part of the axillary a), and goes on to supply the latissimus dorsi

circumflex scapular a

branches from the subscapular a, goes on to supply the posterior of the scapula

inferior border of teres minor

landmark that marks the end of the axillary artery and the beginning of the brachial artery

radial n

continuation of the posterior cord, goes on to innervate the posterior compartment of the forearm and hand.