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--- a +++ b/jap/node5.html @@ -0,0 +1,42 @@ +<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 3.0//EN"> +<!--Converted with LaTeX2HTML 96.1-h (September 30, 1996) by Nikos Drakos (nikos@cbl.leeds.ac.uk), CBLU, University of Leeds --> +<HTML> +<HEAD> +<TITLE>Protocol</TITLE> +<META NAME="description" CONTENT="Protocol"> +<META NAME="keywords" CONTENT="gait-reprint"> +<META NAME="resource-type" CONTENT="document"> +<META NAME="distribution" CONTENT="global"> +<LINK REL=STYLESHEET HREF="gait-reprint.css"> +</HEAD> +<BODY LANG="EN" bgcolor="white"> + <A NAME="tex2html52" HREF="node6.html"><IMG WIDTH=37 HEIGHT=24 ALIGN=BOTTOM ALT="next" SRC="/icons/latex2html/next_motif.png"></A> <A NAME="tex2html50" HREF="node3.html"><IMG WIDTH=26 HEIGHT=24 ALIGN=BOTTOM ALT="up" SRC="/icons/latex2html/up_motif.png"></A> <A NAME="tex2html44" HREF="node4.html"><IMG WIDTH=63 HEIGHT=24 ALIGN=BOTTOM ALT="previous" SRC="/icons/latex2html/previous_motif.png"></A> <BR> +<B> Next:</B> <A NAME="tex2html53" HREF="node6.html">Stride Time Dynamics</A> +<B>Up:</B> <A NAME="tex2html51" HREF="node3.html">Methods</A> +<B> Previous:</B> <A NAME="tex2html45" HREF="node4.html">Subjects</A> +<BR> <P> +<H3><A NAME="SECTION00030200000000000000">Protocol</A></H3> +<P> +Subjects walked at their self-determined, normal pace for eight +minutes around a 400 m running track. All subjects wore their own +shoes or sneakers. An investigator walked slightly behind each +subject during the test. +A recently developed +technique was used to measure the stride time dynamics during this relatively +long walk +on level ground (9,11,12). Two +force-sensitive switches were placed inside the subject's right shoe, +one underneath the heel of the foot and the other underneath the ball +of the foot. The output of these footswitches, which provides a +measure of the force applied to the floor, was sampled at 300 Hz and +stored in a small light-weight<IMG WIDTH=4 HEIGHT=9 ALIGN=BOTTOM ALT="tex2html_wrap_inline268" SRC="img2.png"> (5.5x2x9 cm; .1 Kg), ankle-worn recorder. +Subsequently, the +recorded signal was automatically analyzed to determine initial +contact time (heel-strike) of each stride throughout the walk, and +hence, the stride time (the time from one heel-strike to the next +heel-strike of the same foot) time series (9). The average walking speed +was determined by measuring lap time. +<P> +<BR> <HR> +</BODY> +</HTML>