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Figure 2


Fig. 2. Values of peak force, time to peak force and impulse produced by the lateral head of the gastrocnemius (red bars) during swing phase were not different from the values required to generate the extension moment at the ankle joint (gray bars) across speed and weighting conditions. The force and impulse required did not change with added mass (P>0.09) and were not significantly different (P>0.31) than the force produced by the LG. For speeds 1–2 m s–1, Ni=5 for all variables; for 2.5 m s–1, Ni=4 for all variables.





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