Abstract:[Purpose] This study investigated the effects of accuracy constraints (targets) placed on
the stepping-limb heel-strike (HS) on the electromyogram (EMG) and ground reaction forces
(GRFs) during gait initiation. [Subjects and Methods] Twenty healthy subjects (29.2 ±
2.9 years) were asked to begin walking or stepping over a 10-cm-high obstacle at a fast
speed. A 3-cm-diameter target was placed on the ground to dictate the position and
accuracy of the stepping-limb HS. [Results] The results showed that the initia… Show more
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