Fig. 1From: Fore-aft resistance applied at the center of mass using a novel robotic interface proportionately increases propulsive force generation in healthy nonimpaired individuals walking at a constant speedParticipant walking in the KA treadmill interface using visual feedback via the interface’s software output to target 1.0 +/− 0.2 m/s highlighted by a yellow target zone and projected on a screen (at eye level), with placement of kinematic markers shown for one limbBack to article page