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18 Cards in this Set
- Front
- Back
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What make up the thenar eminence AFO |
Abductor pollicis brevis Flexor pollicis brevis Opponens pollicis |
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Back (Definition) |
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What make up the hypothenar muscles AFO |
Abductor digiti minimi Flexor digiti minimi Opponens digiti minimi |
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Front (Term) |
Back (Definition) |
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Where do the four lumbrical muscles arise from |
Flexor digitorum profundus |
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The lumbricals insert where |
Extensor hood |
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The lumbricals insert where |
Extensor hood |
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What action does the lumbricals do |
Flexion at MCP joint Extension at PIP and DIP |
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Adductor pollicis has two what and origin and insertion and action |
Has two heads Origin- 3rd metacarpal Insertion- base of proximal phalanx of the thumb Action thumb adduction |
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What nerve inverts the adductor pollicis |
Ulnar nerve |
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What nerve inverts the adductor pollicis |
Ulnar nerve |
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What nerve supplys the thenar eminence |
Median nerve |
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What does the dorsal interossei do, how many are there and where are they located DAB |
Abduct fingers except thumb and little finger There are 4 Located between metacarpals |
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Palmar interossei does what action and where are they located PAD |
Adduct all fingers except thumb Located by between the metacarpals |
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Describe the dorsal digital expansion also known as |
Extensor hood Mobile connective tissue sheet situated on the dorsum digits 2-5 Has lumbricals and interossej inserted into it Allows for independent flexion and extension of joints of digits Tendon can move proximally or distally under the influence of ED Length of hood can be altered by influence of intrinsics |
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What does the ulnar nerve supply in the hand |
All in the hand except one and a half muscles |
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What does the ulnar nerve supply in the hand |
All in the hand except one and a half muscles |
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What does the median nerve supplys in the hand |
Supplies one and a half in the hand lateral 2 lumbricals and thenar muscles |
