Interosseous Muscles: Instruct the patient “Spread your fingers apart”
Palmar Interossei (3) – PAD (Palmars ADduct, bring fingers together)
- Action: adduction of index, ring and small fingers
- Innervation: deep branch of ulnar nerve
Dorsal Interossei (4) – DAB (Dorsals ABduct, bring fingers apart)
- Action: abduction of index, long, ring and small fingers
- Innervation: deep branch of ulnar nerve
The 13 muscle groups you need to test in the hand exam:
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very lucid thank u