clinical correlates LLNMS
Last Modified: 2011-07-07
weak QF mm. sx: anterior knee pain, stiffness, catching and grinding
rx: increase hamstring flexibility and VM mm. (quad fem group) strength
overuse injury in kids (10-15 yrs)
enlarged tibial tuberosity, growth plate pulled away from shaft
-sx: foot drop (loss of ant. mm.) and waddling gait (trendelenburg)
-leads to freq. inversion injuries to lat. leg
-test: deep nn = pinprick btwn toes + dorsiflex; superficial = eversion, sensory lat leg
-cause: lateral hit to the flexed knee while the foot is fixed = forceful abduction of the tibia and knee twisting
-effects synovial (diarthrodial) joints
-cause: old age wear and tear
-leads to bone on bone contact
-almost always INVERSION injuries which occur during plantarflexion
-lateral leg compartment: fibularis longus + brevis mm.
-occurs with weak glut med/min or damage to superior gluteal nerve (damages glut med/min)
-also occurs with fracture of fib. head damaging common fib nn.
-quick start sports (sprinting)
-strain of ant. compart (mainly TA)
-sx: painful swelling of muscle tissue and edema
-common in sedentary people who do walk-a-thons
-crural fascia: thick/tight; edema --> compresses artery-->loss blood supply-->ischemia and tissue necrosis
-damage to deep fib nn. (ant leg) --> foot drop sign
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