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

  • Ulnar nerve
  • Ulnar artery