click below
click below
Normal Size Small Size show me how
Palm and Fingers
Nerve, blood supply, origin, insertion
| Question | Answer |
|---|---|
| Palmaris brevis N | Superficial branch of ulnar nerve C8, T1 |
| Palmaris brevis BS | Branches from superficial palmar arch |
| Palmaris brevis O | 1. Medial border of central part of palmar aponeurosis 2. Flexor retinaculum |
| Palmaris brevis I | Dermis on ulnar border of hand |
| Lumbricals N | 1st & 2nd: Median n. 3rd & 4th: Deep terminal brnahc of ulnar n |
| Lumbricals BS | 1st & 2nd: 1st & 2nd dorsal metacarpal and dorsal digitial aa 3rd & 4th: 2nd & 3rd common palmar digital aa, 3rd & 4th dorsal digital aa |
| Lumbricals O | 1st & 2nd: radial sides of palmar surface s of tendons of 2nd & 3rd fingers 3rd & 4th: Adjacent sides of tendons of 3rd & 4th fingers and 4th & 5th fingers |
| Lumbricals I | 1. Radial side of corresponding finger 2. Lateral margin of dorsal digital expansion of extensor digitorum |
| Palmar interossei N | Deep branch of ulnar n C8, T1 |
| Palmar interossei BS | Branches from deep palmar arch and princeps pollicis, radialis indicis, palmar metacarpal, proper palmar digitial, and proximal and distal perforating aa |
| Palmar interossei O (1st & 2nd) | 1st: Ulnar side of palmar surface of base of 1st metacarpal 2nd: Ulnar side of 2nd metacarpal |
| Palmar interossei O (3rd & 4th) | 3rd: Radial side of 4th metacarpal 4th: Radial side of 5th metacarpal |
| Palmar interossei I (1st & 2nd) | 1st: Seisamoid bone on ulnar side of 1st proximal phalanx, phalanx, and dorsal digital expansion 2nd: Ulnar side of 2nd distal expansion |
| Palmar interossei I (3rd & 4th) | 3rd: Radial side of 4th digital expansion 4th: Radial side of 5th digital expansion, base of proximal phalanx |
| Dorsal interossei N | Deep branch of ulnar n C8, T1 |
| Dorsal interossei BS | 1. Radial a 2. Princeps pollicis a 3. Radialis indicis a |
| Dorsal interossei O | Adjacent sides of 2 metacarpal bones |
| Dorsal interossei I | Bases of proximal phalanges and dorsal digital expansions of radial side of 2nd digit, radial & ulnar sides of 3rd digit, and ulnar side of 4th digit |