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Normalized sEMG signals with reference to seated resting activity and maximum VMC for: (A) VL, (B) VM, (C) ST, (D) RF and (E) BF averaged for 5 gait cycles for a single test participant. (F) Averaged reduction for ST(n = 3), BF (n = 2), RF (n = 2), VL(n = 3), VM (n = 3) for multiple test participants.
