Nerves Of The Brachial Plexus

Question 1

From the rami of the plexus

Answer 1

Nerves: dorsal scapular and Muscle: Rhomboids and Levator Scapulae

Nerves: long thoracic and Muscle: serration anterior

Question 2

From the trunk of the plexus

Answer 2

Nerve: nerve to subclavin and muscle: subclavius

Nerve: suprascapular and muscle: infraspinatus and supraspinatus

Question 3

From the lateral cord of the plexus

Answer 3

Nerve: lateral pectoral and muscle: pectoralis major- clavicular head

Nerve: musculocutaneous and muscles: coracobrachialis, biceps brachiosaurus, and brachialis

Nerve: lateral root of the median and muscles: flexor muscles in the forearm, except flexor carpi ulnaris, and five muscles in the hand.

Question 4

From the medial cord of the plexus

Answer 4

Nerve: Medial pectoral, Muscles: pectoralis major and pectoralis minor

Nerve: ulnar, Muscles: flexor carpi ulnaris, flexor digitorum profundus, most small muscles of the hand.

Nerve: Medial root of the median, Muscles: flexor muscles in the forearm, except flexor Capri ulnaris, and five muscles of the head.

Question 5

From the posterior cord of the plexus

Answer 5

Nerves: upper subscapular, Muscles: subscapularis
Nerves: Thoracodorsal, Muscles: latissimus dorsi
Nerves: lower subscapular, Muscles: subscapularis and teres major
Nerves: axillary, Muscles: deltoid and teres minor
Nerves: radial, Muscles: brachioradialis, triceps, supinator, wrist extensor, and anconeus