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13 Cards in this Set
- Front
- Back
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Opponens Pollicis |
Action- opposition of the thumb at the carpometacarpal joint Origin- flexor retinaculum and tubercle of the trapezium Insertion- Entire length of first metacarpal bone, radial side Nerve- median |
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Adductor Pollicis |
Action- adduct the thumb (carpometacarpal & metacarpophalangeal); assist in flexion of the thumb (metacarpophalangeal) Origin- capitate, 2nd & 4rd metacarpals Insertion- base of proximal phalange of thumb Nerve- ulnar |
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Abductor Pollicis Brevis |
Action- abduct the thumb (carpometacarpal & metacarpophalangeal); assist in opposition of the thumb Origin- flexor retinaculum, trapezium, & scaphoid tubercles Insertion- base of proximal phalange of thumb Nerve- median |
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Flexor Pollicis Brevis |
Action- flex the thumb (carpometacarpal & metacarpophalangeal), assist in opposition of the thumb Origin- superficial head: flexor retinaculum; deep head: trapezium, trapezoid, & capitate Insertion- base of proximal phalange of thumb Nerve- median & ulnar |
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Abductor Pollicis Longus |
A- abduct the thumb, extend the thumb O- posterior surface of radius & ulna, & Interosseous membrane I- base of the 1st metacarpal N- Radial |
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Extensor Pollicis Longus & Brevis |
A- extend the thumb, assist to extend the thumb, abduct the wrist O- Longus: posterior surface of ulna & interosseous membrane Brevis: posterior surface of radius & interosseous membrane I- Longus: base of distal phalanx of thumb Brevis: base of proximal phalanx of thumb N- Radial |
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Flexor Pollicis Longus |
A- flex the thumb, assist to flex the wrist O- anterior surface of the radius & interosseous membrane I- base of distal phalange of thumb N- Median |
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Lumbricals of the hand |
A- extend the 2nd-5th fingers at the interphalangeal joints, flex the 2nd-5th fingers at the metacarpophalangeal joints O- surfaces of the flexor digitorum profundus tendons I- extensor aponeurosis on dorsal surface of phalanges N- 2nd-3rd fingers- Median; 4th-5th fingers- Ulnar |
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Palmar Interossei |
A- adduct the thumb, 2nd, 4th & 5th fingers toward the 3rd finger, assist to flex the thumb, 2nd, 4th, & 5th fingers at the metacarpophalangeal joints, assist to extend the thumb, 2nd, 4th & 5th fingers at the interphalangeal joints O- base of 1st, 2nd, 4th & 5th metacarpals I- base of the proximal phalanx of the related finger & the extensor aponeurosis N- Ulnar |
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Dorsal Interossei |
A- abduct the 2nd, 3rd & 4th fingers at the metacarpophalangeal joints, assist to flex the 2nd, 3rd & 4th fingers at the metacarpophalangeal joints, assist to extend the 2nd, 3rd & 4th fingers at the interphalangeal joints O- adjacent sides of all metacarpals I- base of the proximal phalanx of the 2nd, 3rd & 4th fingers and the extensor aponeurosis N- Ulnar |
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Abductor Digiti Minimi |
A- abduct the 5th finger, assist in opposition of the 5th finger towards the thumb O- pisiform and tendon of flexor Carpi Ulnaris I- base of proximal phalanx of 5th finger, ulnar surface N- Ulnar |
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Flexor Digiti Minimi Brevis |
A- flex the 5th finger, assist in opposition of the 5th finger toward the thumb O- hook of hamate & flexor retinaculum I- base of proximal phalanx of 5th finger, palmar surface N- Ulnar |
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Opponents Digiti Minimi |
A- opposition of the 5th finger at the carpometacarpal joint O- hook of hamate & flexor retinaculum I- shaft of 5th metacarpal, ulnar surface N- Ulnar |
