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Fig. 4. Total strain (change in normalized muscle length) and strain rate
(L s-1) of the triceps (during phase 3) as a function of
trotting speed on a 10% incline (black symbols, mean ± 1
S.E.M.). Total strain on the level is denoted
by gray symbols (Hoyt et al.,
2005). Strain and strain rate during incline locomotion did not
change with speed but were greater than during level locomotion.