ulna nerve

Nerve supply

- C7, C8, T1 

- nerve picks up some branches of C7 from the lateral cord

Origin

- direct continuation medial cord

- runs between the brachial artery and the vein in the arm

- behind MCNFA

Arm

- pierces the medial intermuscular septum to run in posterior compartment

- runs anterior to the triceps

Elbow

Look

Splints

Extend elbow to side

- medial wounds

- extension

Flex elbow to side

- flexion range

Flex elbow to front

- olecranon wound

Extend elbow to front

- anterior wounds

- carrying angle

- forearm wasting

Palm up

- clawing