Fig. 6. Effects of incorporating an initial stretch in place of the initial isometric period on mean work output per cycle (A), enthalpy output per cycle (B) and net mechanical efficiency, _Net (C) (N=6). The duration of the initial stretch or isometric period was 75 ms or 15 % of the cycle duration, and shortening was 10 % L_max, where L_max is the length at which active force production is maximal. Letters indicate statistically significant differences. Values are means + S.E.M.

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