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Fig. 10. Stance or swing duration as a function of speed. Stance and swing duration
decrease as a function of speed until mid-speed
(Full and Tu, 1990). No change
in duration is observed at high speeds. Animals ran at the mid-speed range in
the present study. Most previous studies of cockroach locomotor control, other
than escape response elicitation, have been conducted at speeds less than 1/6
the maximal speed. aPresent study;
b(Watson and Ritzmann,
1998a); c(Watson
and Ritzmann, 1998b);
d(Ridgel and Ritzmann,
2005); e(Tryba and
Ritzmann, 2000a; Tryba and
Ritzmann, 2000b);
f(Watson et al.,
2002a; Watson et al.,
2002b).