2. Opponens Digiti Minimi
Origin: Hook of hamate and flexor retinaculum
Insertion: Medial border of the 5th metacarpal
Action: Opposes digit 5
Innervation: Deep branch of the ulnar nerve (C8/T1)

Needling
Position: Various (sitting, prone, supine)
Palpation: Palpate the hypothenar eminence and resist opposition to help isolate this muscle
Technique: Needle perpendicularly towards digit 5 metacarpal
Caution: Low

Video 12.2 Needling opponens digiti minimi, original video by Nadine Crocker, CC BY-NC 4.0.