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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 |