The goal of this study was to compare treadmill running with overground running, so as to investigate if the shoe testing and training on treadmill can reflect the overground performance. Thirteen Chinese male subjects were instructed to run on the four conditions (1.Treadmill, 2.Tartan, 3.Grass, 4.Concrete). Comparisons between running conditions were made for muscle activity. The electromyography (EMG) signals from rectus femoris, tibialis anterior, biceps fermoris and medial gastrocnemius in one stride were evaluated. Results of the root mean square of EMG signal in rectus femoris, biceps femoris and gastrocnemius were found to be significantly different between overground and treadmill running during stance phase and the time point of toe off.
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