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28 Cards in this Set
- Front
- Back
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The only intrinsic muscles of the hand located on the dorsal aspect are the...
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dorsal interossei muscles
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Vessels of the hand: the dorsal arch is formed by what?
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dorsal carpal artery of the radial artery
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Vessels of the hand: the superficial palmar arch is formed by what?
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ulnar artery. it is sometimes completed by the superficial palmar branch of the radial artery
(ulnar-superficial: US) |
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Vessels of the hand: the deep palmar arch is formed by what?
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radial artery. (deep-radial: DR)
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Vessels of the hand: the common palmar digital arteries are a continuation of what?
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the superficial palmar arch formed by the ulnar artery
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What nerve passes deep to the flexor retinaculum?
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median nerve
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A palmar laceration can affect the ___________, as this branch passes through the thenar compartment.
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recurrent branch of the median nerve
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The median nerve innervates what parts of the hand?
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the lateral (radial) 3 and 1/2 fingers and the lateral 2/3 of the palm
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What nerve passes superficial to the flexor retinaculum?
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ulnar nerve
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The superficial branch of the ulnar nerve innervates what parts of the hand?
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the medial (ulnar) 1 and 1/2 fingers and the medial 1/3 of the palm
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What nerve passes through Guyon's canal?
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the deep branch of the ulnar nerve
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A lesion in the ulnar nerve results in what kind of deformity?
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ulnar
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The _________________ envelops the flexor digitorum superficialis and profundus in the carpal tunnel
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ulnar bursa
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The ulnar bursa continues from the carpal tunnel into the _________________. This explains the spread of infections from the ____________________.
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-little finger
-palm to the little finger |
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The radial bursa contains the tendon of the _______________.
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flexor pollicis longus
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Carpal tunnel syndrome is caused by...
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compression of the median nerve in the carpal tunnel, resulting in numbness/tingling in the lateral (radial side) 3 1/2 fingers and weakness of the thenar muscles
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What type of joint is the radiocarpal joint?
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synovial condyloid
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What joint lies between the proximal and distal rows of carpal bones?
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midcarpal joint
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Which muscles function to flex the wrist (4)?
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flexor carpi radialis and ulnaris
flexor digitorum superficialis and profundus |
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Which muscles function to extend the wrist?
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extensor carpi radialis longus and brevis
extensor digitorum |
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What fracture of the wrist shows the characteristic dinner fork deformity?
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Colles' fracture
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A fractured scaphoid affects the __________ artery, causing ___________.
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radial artery, causing avascular necrosis
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Anterior dislocation of the lunate affects which nerve?
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the median nerve
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Fracture of the hook of hamate affects which nerve?
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ulnar nerve
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A fracture of the thumb carpometacarpal (CMC) joint is called
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Bennet's fracture
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A comminuted intra-articular fracture of the base of the first metacarpal is called
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Rolando's fracture
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Skier's thumb is due to
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chronic rupture of the ULNAR COLLATERAL LIGAMENT of the thumb's MP JOINT (hyperabduction)
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What is a boxer's fracture
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fracture of the neck of the 5th metacarpal
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