HNA 7 Neck and Thoracic Output

Phrenic nerve

C3-C5

Brachial plexus

C5-T1 (between anterior and medial scalene)

The thyrocervical trunk is made up of…

transverse cervical, inferior thyroid, and suprascapular arteries

Terminals of brachial plexus

radial, ulnar, medial, axillary, and musculocutaneous nerves

Axillary nerve

shoulders

Radial nerve

posterior arm/forearm, extensor muscles

Musculocutaneous nerve

anterior arm, flexors of shoulder and elbow

Median nerve

anterior forearm, thumb, wrist/finger flexors

Ulnar nerve

anterior forearm, pinky, wrist/finger flexors

Radial nerve susceptible to…

Crutch palsy, Saturday night palsy, and Mid-humeral fracture damage

Median nerve…

travels alongside brachial artery, passes cubital fossa, causes carpal tunnel

Ulnar nerve…

passes inner elbow, funny bone, pinky

Thumb

C6

Middle

C7

Pinky

C8