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Vastus Medialis Sparing Approach to the Knee

The vastus medialis-sparing approach itself is relatively straightforward. A midline longitudinal skin incision is made, keeping skin flaps to a minimum3'4, and the quadriceps mechanism exposed. The musculotendinous junction of vastus medialis is incised posteriorly at the level ofthe mid point of the patella (Figure 1). The body of the vastus medialis is then reflected from the medial intermuscular septum enabling the patella to be dislocated laterally (Figure 2). Closure ofthe capsule and muscular flap following joint replacement is uncomplicated and leaves the entire quadriceps intact.