Kinesiology 2236A/B Lecture Notes - Lecture 17: Lower Extremity Of Femur, Hemarthrosis, Patella
26 Mar 2019
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Document Summary
If non-contact, decelerating, cutting, or landing: position of foot. Ottawa knee rules: a knee radiograph is indicated after trauma when at least one of the following is present, older than 55 or younger than 18, tender over fibular head, tender over patella. Inability to walk 4 steps: 100% sensitivity, be suspicious of, high speed injuries, younger patient who may avulse a bony fragment, clinical suspicion of loose bodies. Acute patellar dislocation: occur when the patella moves out of its groove laterally on to/over the femoral condyle, mechanism, forceful knee external rotation, foot planted or toe caught, knee is usually near full extension. Signs and symptoms: may feel knee shift, move, or pop out, significant pain, fast swelling, loss of knee function, tenderness over medial border of patella, positive lateral apprehension test. Slightly flex hip and slowly extend knee: patella should relocate, if it does not, send for x-rays. Lcl: most contribution at 20-30 degrees of flexion, 25% of knee injuries.
