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19 Cards in this Set
- Front
- Back
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Ulnar nerve damage at elbow |
"Claw hand" Flexor digitorum profundus muscle impaired
Unable to flex at IP joint
"claw is more prominent"
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Ulnar nerve damage at wrist |
"Claw hand" Hypothenar (pinky muscles), Interossei, and Lumbricals 3&4 //all innervated by deep branch of ulnar nerve Unable to flex at MCP joint
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Avulsion fracture of medial epicondyle |
"claw hand" ulnar nerve irritation or injury numbness and tingling in forearm and 4th and 5th digits (ulnar dermatome area) sudden/severe onset of pain on inside of elbow happens to baseball/softball pitchers; fall causing severe abduction of extended elbow |
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related question: ulnar nerve root number, cord, trunk? |
C8, T1 medial cord inferior trunk |
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"Hand of benediction" |
median n damage motor & sensory loss due to supracondylar fracture
when making a fist- don't confuse with dupuytren's contracture |
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Pronator syndrome |
Median nerve ENTRAPMENT mechanical work Compression between heads of the pronator teres pain and tenderness in proximal anterior forearm hypoesthesia/hypesthesia in the palmar part of lateral 3.5 digits |
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"Ape hand" deformity |
Damage to median nerve at the wrist Similar to hand of benediction BUT: Thenar muscles and Lumbricals 1 & 2 paralyzed Loss of opposition form digit 1 AND weakened digit 1 flexion and abduction common in suicide attempts |
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Carpal Tunnel sydnrome |
compression of median nerve under flexor retinaculum from typing too much Flexor digitorum superficialis & Flexor digitorum profundus SHOOTING PAIN UP THE ARM You get sensory deficits in the fingertips!! Doesn't affect palmar cutaneous branch of median nerve |
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Radial nerve damage |
Wrist drop/ Humeral fracture at radial groove! |
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Anatomical snuffbox |
Abductor pollicis longus Extensor pollicis brevis Extensor pollicis longus Floor: Scaphoid & radial artery Roof: radial nerve and cephalic vein |
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Deep branch injury of radial nerve |
Deep penetrating wounds of posterior forearm Inability to extend thumb and fingers at MCP joint No loss of sensation |
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Colles fracture "dinnerfork deformity" |
Complete transfers fracture of DISTAL RADIUS STYLOID and distal ULNA styloid aversion. distal radial fragment is displaced DORSALLY most common forearm fracture median and ulnar n injury associated with carpal fx, dislocation of radioulnar joint "extension fracture" |
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Smith fracture |
much less common fracture; younger indivisuals complete fracture of distal radius distal radial fragment is displaced VENTRALLY associated with: acute carpal tunnel syndrome, neuropathy, ischemia "flexion fracture" |
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Scaphoid fracture (affects what artery?) |
Palmar carpal branch of radial artery (anastomoses with palmar carpal branch of ulnar artery- anteriorly) |
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Hamate fracture |
compression of ulnar nerve running through Guyon's canal
loss of sensation in the medial half of digit 4-5 |
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Mallet finger "baseball finger" |
long extensor tendon avulsion hyper-flexion at the distal interphalangeal joint inability to extend Distal IP |
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"Tennis elbow" |
lateral epicondylitis frayed common extensor tendon stressing elbow |
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"Golfer's elbow" |
MEDIAL epicondylitis tear in common flexor tendon stressing elbow |
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Dupuytren contracture |
palmar aponeurosis disease 50 year old white men potentially genetic |
