Small hand muscles
"small muscles for idiots"
Intrinsic hand muscles
- Hand interossei
- palmaris brevis
- adductor pollicis
- thenar, hypothenar, and lumbrical muscles
innervation
- all EXCEPT 3 thenar and 2 lumbricalss(LLOAF) innervated by deep branch of ulnar nerve
- LLOAF - median nerve
movements
| Muscle | Action |
|---|---|
| Interossei | abduct + adduct digits |
| palmaris brevis | improves grip |
| adductor pollicis | adducts thumb |