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Anatomy UE
Opponens pollicus - Palmar Interossei
Question | Answer |
---|---|
0pponens Pollicis PA | Flexor retinaculum and tubercles of scaphoid and trapezium. |
0pponens Pollicis DA | Lateral side of 1st metacarpal. |
0pponens Pollicis A | Opposition of 1st digit. |
0pponens Pollicis N | Median (recurrent branch) (C8, T1). |
Abductor Pollicis Brevis PA | Flexor retinaculum and tubercles of scaphoid and trapezium. |
Abductor Pollicis Brevis DA | Lateral side of base of the proximal phalanx of 1st digit. |
Abductor Pollicis Brevis A | CMC abduction and opposition of 1st digit. |
Abductor Pollicis Brevis N | Median (recurrent branch) (C8, T1). |
Flexor Pollicis Brevis PA | Flexor retinaculum and tubercles of scaphoid and trapezium. |
Flexor Pollicis Brevis DA | Lateral side of base of proximal phalanx of 1st digit. |
Flexor Pollicis Brevis A | Superficial Head = MP flexion of 1st digit. Deep Head = CMC adduction 1st digit. |
Flexor Pollicis Brevis N | Superficial Head = Median (recurrent branch) (C8, T1). Deep Head = Ulnar (deep branch) (C8, T1). |
Adductor Pollicus PA | Oblique head = base of 2nd and 3rd metacarpals, capitate, and adjacent carpals. Transverse head = anterior surface of shaft of 3rd metacarpal. |
Adductor Pollicus DA | Medial side of base of the proximal phalanx of 1st digit. |
Adductor Pollicus A | Adduction of 1st digit. |
Adductor Pollicus N | Ulnar (deep branch) (C8, T1). |
Abductor Digiti Minimi PA | Pisiform. |
Abductor Digiti Minimi DA | Medial side of base of proximal phalanx of 5th digit. |
Abductor Digiti Minimi A | CMC abduction and MP flexion of 5th digit. |
Abductor Digiti Minimi N | Ulnar (deep branch) (C8, T1). |
Flexor Digiti Minimi Brevis PA | Hook of hamate and flexor retinaculum. |
Flexor Digiti Minimi Brevis DA | Medial side of base of proximal phalanx of 5th digit. |
Flexor Digiti Minimi Brevis A | MP flexion of 5th digit. |
Flexor Digiti Minimi Brevis N | Ulnar (deep branch) (C8, T1). |
0pponens Digiti PA | Hook of hamate and flexor retinaculum. |
0pponens Digiti DA | Medial border of 5th metacarpal. |
0pponens Digiti A | Opposition of 5th digit. |
0pponens Digiti N | Ulnar (deep branch) (C8, T1). |
Lumbricals PA | Tendons of flexor digitorum profundus. |
Lumbricals DA | Lateral sides of extensor expansion of 2nd – 5th digits. |
Lumbricals A | MP flexion, DIP, PIP extension of 2nd – 5th digits. |
Lumbricals N | Radial 2 digits = Median (C8, T1). Ulnar 2 digits = Ulnar (deep branch) (C8, T1). |
Dorsal Interossei (1-4) PA | Adjacent sides of 2 metacarpals. (bipennate) |
Dorsal Interossei (1-4) DA | Base of proximal phalanx and extensor expansions and of digits 2-4. 1 & 2 = radial side of digits 2 & 3. 3 & 4 = ulnar side of digits 3 & 4. |
Dorsal Interossei (1-4) A | Abduction of digits 2,3,4 from axial line and assists lumbricals with MP flexion, PIP, DIP extension. |
Dorsal Interossei (1-4) N | Ulnar (deep branch) (C8, T1). |
Palmar Interossei (1-3) PA | Palmar surface of 2nd, 4th, and 5th metacarpals. (unipennate) |
Palmar Interossei (1-3) DA | Base of proximal phalanges; extensor expansion of 2nd, 4th, 5th digits. 1st into ulnar side of 2nd digit. 2nd and 3rd into radial side of 4th and 5th digits. |
Palmar Interossei (1-3) A | Adduction of digits 2, 4, and 5, toward axial line, assists lumbricals in MP flexion. Extension of PIP, DIP and extensor expansions of 2nd-4th digits. |
Palmar Interossei (1-3) N | Ulnar (deep branch) (C8, T1). |