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. 2011 Aug 27;470(3):815–823. doi: 10.1007/s11999-011-2045-1

Fig. 2.

Fig. 2

A photograph shows how the right knee is secured in the mechanized RPS device. The leg holder suspends the proximal tibia. There is no thigh support allowing the femur to subluxate anteriorly during the reverse pivot. A load cell is mounted laterally to generate the valgus moment across the knee.