A 74 yo male falls, states leg slipped and went out from under him. Swelling
but no ecchymosis. Man is able to Dorsiflex and Plantarflex, Hip proximal
muscle working, however he can not extend the knee. No quadriceps muscle
firing. I was thinking pain inhibition with subluxed patella changing the
ability of the quad to extend the knee, but I can not get the quad to fire at
all. 1 day later, still no S/Sx of bleeding, swelling is reducing with
R.I.C.E.. Some swelling suprapatellar, and now palpable patella but little if
no movement. What is most curious is that it looks like the quad has been
knocked out and only the quad. Back nerve root?
Steve Marcum P.T.
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