Figure 5From: Muscle synergies in preparation to a step made with obstacle in elderly individuals Mean across subjects ± standard deviation of ∆V (panel A) and ΔV Z (panel B) indices for the control of the COP AP shift. Adjacent pairs of bars represent the STCS (left, stripped bars) and STOS (right, gray filled bars) tasks. ∆V indices and ΔVZ indices were averaged over five 100 ms time intervals starting 500 ms prior to t0 and ending up at t0.Back to article page