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The constraint (blue), load locations, and vectors (red) applied to the model at 16% of the gait cycle. The medial view shown includes the gracilis (Grac), sartorius (Sart), semiteninosus (Semiten), semimembranosus (Semimem), vastus medialis, vastus intermedius and vastus lateralis (Vastus) muscles forces; the tensor fasciae latae muscle forces were also applied on the lateral side.
