Figure 8

Kinematics and human–robot interaction data of the subject with three conditions at the advanced phase. (a) Heart rate value of the subject with three conditions, the average HR were inserted in green box; (b) MET changes in the subject with time during three conditions; (c) RMS sEMG of RF with three conditions; and (d) RMS sEMG of BF with three conditions, the shaded area represent the standard deviation. (e) IEMG of RF and BF muscles with three conditions; and (f) AEMG of RF and BF muscles with three conditions.