Approach to the Ulna

Position

Supine
Arm across the chest

Landmarks

Subcutaneous border of the ulna

Incision

Linear longitudinal incision over subcutaneous border of ulna

Internervous Plane

ECU PIN
FCU ulnar nerve

Superficial Dissection

Begin distally
Incises deep fascia along same line as skin incision
Down to subcutaneous border of ulna

Deep Dissection

Incise periosteum
Subperiosteal dissection

Dangers

Nerves
- Ulnar
Vessels
- Ulnar artery