From: On the effect of walking surface stiffness on inter-limb coordination in human walking: toward bilaterally informed robotic gait rehabilitation
Muscle
Timing of perturbation (% stance phase)
12 %
30 %
55 %
80 %
Tibialis Anterior
23 %±3.6
42 %±1.4
56 %±5.7
-
Soleus
34 %±14
50 %±23
58 %±4.6