Brachial Plexus and Upper Limb Flashcards
Which muscles are innervated by the axillary nerve?
The deltoid and teres minor
What area of the arm relays sensory information through the axillary nerve?
the lateral cutaneous arm
What muscles are innervated by the radial nerve?
the triceps, brachioradialis, and forearm extensors
What area of the arm relays sensory information through the radial nerve?
digits 1-3 on the back of the hand
What muscles are innervated by the ulnar nerve?
Thenar muscles, flexor carpi ulnaris, and the PADs and DABs
What area of the arm relays sensory information through the ulnar nerve?
digit 5 and part of 4 on palmar surface of hand
What muscles are innervated by the musculocutaneous nerve?
the biceps, brachialis, and corachobrachialis
What area of the arm relays sensory information through the musculocutaneous nerve?
the lateral cutaneous forearm
What muscles are innervated by the median nerve?
the forearm flexors
What area of the arm relays sensory information through the median nerve?
digits 1-4 on the palmar surface of the hand, and the tips of the fingers on the back of the hand
Which muscles are innervated by the suprascapular nerve?
the supraspinatus and infraspinatus muscles
Which nerve innervates the cutaneous lateral arm as well as the elbow and forearm beneath the elbow?
the radial nerve, through the inferior lateral brachial cutaneous nerve, and the posterior antebrachial cutaneous nerve
Which nerve innervates the medial cutaneous arm?
the medial brachial cutaneous nerve
Which nerve innercates the medial forearm?
the medial antebrachial cutaneous nerve
