weak QF mm. sx: anterior knee pain, stiffness, catching and grinding rx: increase hamstring flexibility and VM mm. (quad fem group) strength
occurs in kicking sports overuse injury in kids (10-15 yrs) enlarged tibial tuberosity, growth plate pulled away from shaft
Damage to common fibular nn.
-fracture/cast of fib head can sever/press on nn. -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
metatarsal stress fracture
occurs in activities with a lot of marching, walking, shuffling (basketball, soldiers, etc)
-injury to MCL, medial meniscus, ACL (test ACL with ant. drawer sign) -cause: lateral hit to the flexed knee while the foot is fixed = forceful abduction of the tibia and knee twisting
-degenerative joint disease: includes articular cartilage, meniscus and bone -non-inflammatory -effects synovial (diarthrodial) joints -cause: old age wear and tear -leads to bone on bone contact