Upper limb
Anterior ulnar recurrent artery
Arteria recurrens ulnaris anterior
- Origin
- Arises from the proximal ulnar artery below the medial epicondyle
- Insertion
- Ascends anterior to the medial epicondyle to anastomose with the inferior ulnar collateral artery
- Function
- Supplies the medial anterior elbow joint capsule and flexor origins; contributes to cubital anastomosis
- Innervation
- Sympathetic perivascular plexus
- Movement & chain
- Subject to dynamic compression during extreme elbow flexion
- Palpation
- Not palpable through overlying pronator teres muscle
- Clinical
- Preserves distal forearm perfusion in cubital fossa vascular injuries
- Segmental innervation
- C7–T1 roots
- In clinical practice
- Critical collateral landmark in medial epicondylectomy and anterior transposition of the ulnar nerve
- Region in the model
- Upper limb