Musculoskeletal Flashcards
What nerve is most at risk of injury with a fracture of the shaft of the humerus?
Radial n.
What nerve is most at risk of injury with a fracture of the surgical neck of the humerus?
Axillary n.
What nerve is most at risk of injury with a supracondylar fracture of the humerus?
Medial n.
What artery is most at risk of injury with a fracture of the shaft of the humerus?
Deep brachial a.
What artery is most at risk of injury with a fracture of the surgical neck of the humerus?
Posterior circumflex humeral a.
Erb-Duchenne Palsy is seen w/ what type of injury
neck SB + shoulder depression, ie. birth, falling off motor cycle
Klumpke’s Palsy is seen w/ what type of injury
extreme abduction, i.e.. birth (pulling on arm), falling form tree & grabs a branch)
Erb-Duchenne Palsy is a lesion to
C5-C6 (upper trunk)
Klumpke’s Palsy is a lesion to
C8-T1 (lower trunk)
Erb-Duchenne Palsy results in what arm position
waiter’s tip: arm extended at side + IR + pronation & wrist flexion
Klumpke’s Palsy results in what arm position
claw hand: extended MCP + flexed DIP & PIP
Erb-Duchenne Palsy causes what muscle deficits
abduction: deltoid, supraspinatus
LR: infraspinatus
flexion: biceps brachii
Klumpke’s Palsy causes what muscle deficits
lumbricals, interossei, thenar, hypothenar
Thoracic Outlet Syndrome is most likely to compress
lower trunk (klumpke palsy)
What n. would most likely be injured during axillary node removal after mastectomy?
long thoracic n.
Results of a long thoracic n. injury?
winged scapula & inability to abduct arm above the horizon
What n. would most likely be injured while using crutches?
radial n.
What n. would most likely be injured from an anterior shoulder dislocation?
axillary n.
What n. would most likely be injured from falling asleep w/ arm hanging over a chair (Saturday night palsy)?
radial n.
What n. would most likely be compressed from carpal tunnel syndrome?
Median n.
What n. would most likely be injured from a fractured medial epicondyle?
ulnar n.
What n. would most likely be injured form a fractured hook of hamate?
Ulnar n.
What n. would most likely be injured from a superficial laceration of the palm?
recurrent median branch of the median n.
What nerve travels w/ anterior interosseous a.?
anterior interosseous n.
