Term
Abductor pollicis brevis: origin |
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Definition
flexor retinaculum, scaphoid and trapezium bones |
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Term
Abductor pollicis brevis: insertion |
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Definition
lateral side of proximal base of thumb |
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Term
Abductor pollicis brevis: innervation |
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Definition
recurrent branch of median nerve (C8,T1) |
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Term
Abductor pollicis brevis: action |
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Definition
abducts and assists opposition of the thumb |
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Term
Abductor pollicis brevis: blood supply |
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Definition
superficial palmar branch of radial a. |
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Term
Flexor pollicis brevis: origin |
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Definition
flexor retinaculum and trapezium bone |
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Term
Flexor pollicis brevis: insertion |
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Definition
lateral side of proximal phalanx of thumb |
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Term
Flexor pollicis brevis: innervation |
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Definition
recurrent branch of median n. (C8,T1) |
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Term
Flexor pollicis brevis: action |
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Definition
flexes proximal phalanx of thumb |
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Term
Flexor pollicis brevis: blood supply |
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Definition
superficial palmar branch of radial a. |
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Term
Opponens pollicis: origin |
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Definition
flexor retinaculum and trapezium bone |
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Term
Opponens pollicis: insertion |
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Definition
lateral side of metacarpal I |
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Term
Opponens pollicis: innervation |
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Definition
recurrent branch of median n. (C8,T1) |
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Term
Opponens pollicis: action |
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Definition
draws metacarpal I forward and medially |
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Term
Opponens pollicis: blood supply |
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Definition
superficial palmar branch of radial a. |
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Term
Adductor pollicis: origin |
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Definition
oblique head: bases of metacarpals II and III; capitate and trapezoid bones transverse head: anterior surface of metacarpal III |
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Term
Adductor pollicis: insertion |
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Definition
medial side of base of proximal phalanx of thumb |
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Term
Adductor pollicis: innervation |
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Definition
deep branch of ulnar n. (C8,T1) |
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Term
Adductor pollicis: action |
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Definition
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Term
Adductor pollicis: blood supply |
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Definition
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Term
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Definition
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Term
Palmaris brevis: insertion |
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Definition
skin on ulnar border of palm |
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Term
Palmaris brevis: innervation |
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Definition
superficial palmar branch of ulnar n. (C8) |
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Term
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Definition
deepens the hollow of the hand |
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Term
Palmaris brevis: blood supply |
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Definition
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Term
Abductor digiti minimi: origin |
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Definition
pisiform bone, tendon of flexor carpi ulnaris |
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Term
Abductor digiti minimi: insertion |
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Definition
medial side of base of proximal phalanx of little finger |
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Term
Abductor digiti minimi: innervation |
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Definition
deep branch of ulnar n. (C8,T1) |
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Term
Abductor digiti minimi: action |
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Definition
abducts the little finger |
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Term
Abductor digiti minimi: blood supply |
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Definition
deep palmar branch of ulnar a. |
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Term
Flexor digiti minimi brevis: origin |
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Definition
flexor retinaculum and hook of hamate bone |
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Term
Flexor digiti minimi brevis: insertion |
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Definition
medial side of base of proximal phalanx of little finger |
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Term
Flexor digiti minimi brevis: innervation |
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Definition
deep branch of ulnar n. (C8,T1) |
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Term
Flexor digiti minimi brevis: action |
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Definition
flexes proximal phalanx of the little finger |
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Term
Flexor digiti minimi brevis: blood supply |
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Definition
deep palmar branch of ulnar a. |
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Term
Opponens digiti minimi: origin |
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Definition
flexor retinaculum and hook of hamate bone |
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Term
Opponens digiti minimi: insertion |
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Definition
medial border of metacarpal V |
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Term
Opponens digiti minimi: innervation |
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Definition
deep branch of ulnar n. (C8,T1) |
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Term
Opponens digiti minimi: action |
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Definition
draws metacarpal V forward to face thumb |
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Term
Opponens digiti minimi: blood supply |
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Definition
deep palmar branch of ulnar a. |
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Term
Lumbricals I and II: origin |
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Definition
lateral two tendons of flexor digitorum profundus |
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Term
Lumbricals I and II: insertion |
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Definition
lateral sides of extensor expansion of index and middle fingers |
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Term
Lumbricals I and II: innervation |
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Definition
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Term
Lumbricals I and II: action |
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Definition
extends index and middle fingers at the interphalangeal joints and flexes metacarpophalangeal joints 1 and 2 |
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Term
Lumbricals I and II: blood supply |
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Definition
superficial and deep palmar arches |
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Term
Lumbricals III and IV: origin |
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Definition
medial three tendons of flexor digitorum profundus |
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Term
Lumbricals III and IV: insertion |
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Definition
lateral sides of extensor expansion of digits 4 and ring finger |
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Term
Lumbricals III and IV: innervation |
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Definition
deep branch of ulnar n. (C8,T1) |
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Term
Lumbricals III and IV: action |
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Definition
extends ring and little fingers at the interphalangeal joints and flexes metacarpophalangeal joints 3 and 4 |
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Term
Lumbricals III and IV: blood supply |
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Definition
superficial and deep palmar arches |
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Term
Dorsal interossei I to IV: origin |
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Definition
adjacent sides of two metacarpal bones |
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Term
Dorsal interossei I: insertion |
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Definition
lateral side of proximal phalanx of index finger |
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Term
Dorsal interossei II: insertion |
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Definition
lateral side of proximal phalanx of middle finger |
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Term
Dorsal interossei III: insertion |
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Definition
medial side of proximal phalanx of middle finger |
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Term
Dorsal interossei IV: insertion |
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Definition
medial side of proximal phalanx of ring finger |
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Term
Dorsal interossei I to IV: innervation |
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Definition
deep branch of ulnar n. (C8,T1) |
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Term
Dorsal interossei I to IV: action |
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Definition
abducts the index and ring fingers from the middle finger |
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Term
Dorsal interossei I to IV: blood supply |
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Definition
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Term
Palmar interossei I to III: origin |
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Definition
palmar surfaces of metacarpals II, IV, and V |
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Term
Palmar interossei I: insertion |
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Definition
medial side of proximal phalanx of index finger |
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Term
Palmar interossei II: insertion |
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Definition
lateral side of proximal phalanx of ring finger |
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Term
Palmar interossei III: insertion |
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Definition
lateral side of proximal phalanx of little finger |
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Term
Palmar interossei I to III: innervation |
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Definition
deep branch of ulnar n. (C8,T1) |
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Term
Palmar interossei I to III: action |
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Definition
adducts the index, ring, and little finger towards the middle finger |
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Term
Palmar interossei I to III: blood supply |
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Definition
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