Hand Muscles
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Origin of Abductor Pollicis Brevis | scaphoid, trapezium, and flexor retinaculum
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| Origin of opponens pollicis | flexor retinaculum and trapezium
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| origin of flexor pollicis brevis | flexor retinaculum, trapezium, 1st metacarpal
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| origin of adductor pollicis | capitate, trapexoid, 2nd and 3rd metacarpal
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| origin of palmaris brevis | flexor retinaculum and palmar aponeurosis
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| insertion of abductor pollicis brevis | base of proximal phalanz of thumb
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| insertion of opponens pollicis | lateral side of 1st metacarpal
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| insertion of flexor pollicis brevis | base of proximal phalanx of thumb
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| insertion of adductor pollicis | medial side of proximal phalanx of thumb
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| insertion of palmaris brevis | skin of palm
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| action of abductor Pollicis brevis | abduction of thumb
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| action of opponens pollicis | opposition
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| action of flexor pollicis brevis | flexion of thumb and adduction assistance
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| action of adductor pollicis | adduction of thumb
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| action of palmaris brevis | steadies to help with grip
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| innervations of median nerve | ab PB, Opponens P, Flex PB, lumbricales
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| innervation of ulnar nerve | ad P, Palmaris B, Ab DM, Flex DMB, Opponens DM, Lumbricales, Interossei Dorsales, Interossei Palmaris
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| Origin of abductor digiti minimi | pisiform and tendon of flexor carpi ulnaris
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| origin of flexor digiti minimi brevis | flexor retinaculum and hook of hamate
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| origin of opponens digiti minimi | flexor retinaculum and hook of hamate
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| origin of lumbricales | tendons of flexor digitorum progundus of each finger
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| origin of interossei dorsales | adjacent sides of metacarpals
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| origin of interossei palmaris | sides of shafts of metacarpals of all digits
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| Which muscles insert of the medial side of 5th metacarpal | ab DM, Flex DMB, Opponens DM
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| insertion of lumbricales | lateral side of tendons of extensor digitorum on proximal phalanges of ea finger`
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| insertion of interossei dorsales | proximal phalanx of ea finger
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| insertion of interossei palmaris | sides of bases of proximal phalanges of all digits
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| action of abductor DM | abducts 5th finger
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| action of flex DMB | flexion of 5 finger
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| action of opponens DM | opposition
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| action of lumbricales | flexion of each finger at MCP and extension of each finger at PIP and DIP
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| action of interossei dorsales | abduction and flexion of ea finger 2-4 at MCP, extension of ea finger at PIP and DIP
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| action of interossei palmaris | adduction of fingers and flexion at MCP
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Created by:
twin1westie
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