(Downloading may take up to 30 seconds. If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.
Fig. 1. Representative vertical GRF traces for three steps of a human running trial
at 2.5 m s1. Solid line: raw vertical GRF trace. Note the
noise imposed by the treadmill. Dotted line: mean vertical force of the
GRF.