Musculoskeletal Flashcards
radial nerve sensory distribution
dorsal forearm and hand/first 3 fingers
pronation, thumb opposition
median nerve
median nerve sensory distribution
palmar hand/first 3 fingers
Ulnar sensory distribution
palmar and dorsal of last 2 fingers
Peroneal sensory distribution
dorsal foot and lateral leg
Peroneal muscle action
dorsiflexion and eversion of foot
L4 motor action and sensory distribution
foot dorsiflexion, medial lower leg
L5 motor action and sensory distribution
big toe dorsiflexion and foot eversion, dorsum of foot and lateral lower leg
S1 motor action and sensory distribution
plantar flexion and hip extension, plantar and lateral foot
knee pain, soap bubble appearance on xr
giant cell tumor of bone
onion-skinning on xr
Ewing’s sarcoma
bone pain worse at night, constitutional sx, Codman’s triangle, sunburst pattern on xr
osteosarcoma
Tx septic arthritis
ceftriaxone (gram -) and vanc (gram +)
needle-shaped, negatively birefringent crystals
gout = monosodium urate crystals
rhomboid shaped crystals
pseudogout = calcium pyrophosphate