Question | Answer |
Opponens pollicis
N | Motor branch of median n. and branch of deep terminal branch of ulnar n
C8, T1 |
Opponens pollicis
BS | 1. Superficial branch of radial a
2. Branches from deep palmar arch and 1st palmar metacarpal, princeps pollicis, and radialis indicis aa |
Opponens pollicis
O | 1. Tubercle of trapezium
2. Flexor retinaculum |
Opponens pollicis
I | Lateral palmar surface and border of 1st metacarpal |
Abductor pollicis brevis
N | Motor branch of median n
C8, T1 |
Abductor pollicis brevis
BS | Superficial branch of radial a |
Abductor pollicis brevis
O | 1. Tubercles of scaphoid and trapezium
2. Flexor retinaculum |
Abductor pollicis brevis
I | 1. Radial side of base of proximal phalanx of thumb
2. Dorsal digital expansion of thumb |
Flexor pollicis brevis
N | Motor branch of medial n. and deep branch of ulnar n
C8, T1 |
Flexor pollicis brevis
BS | 1. Superficial branch of radial a
2. Branches of princeps policis and radialis indicis a |
Flexor pollicis brevis
O Superficial | 1. Superficial: distal border of flexor retinaculum, distal part of tubercle of trapezium |
Flexor pollicis brevis
O Deep | Deep: Trapezium and capitate bones, palmar ligaments of distal row of carpal bones |
Flexor pollicis brevis
I | Superficial: Rad side of base of proximal phalanx of thumb
Deep: Sesamoid bone & base of proximal phalanx |
Adductor pollicis
N | Deep branch of ulnar n
C8, T1 |
Adductor pollicis
BS | 1. Branches from deep palmar arch
2. Princeps pollicis a
3. Radialis indicis a |
Adductor pollicis
O | Oblique: Capitate, bases of 2nd & 3rd metacarpals, palmar ligament of carpus
Transverse: Distal 2/3 of palmar surface of 3rd metacarpal |
Adductor pollicis
I | Ulnar side of base of proximal phalanx of thumb |