Cavanagh and Williams reported an increased V_ O2 response when runners deviated from their optimal SL.
Therefore, it is feasible that the elevated V_ O2 response during submaximal running was due, in part, to changes in lower limb kinematics following muscle-damaging exercise. Indeed, the findings that this increased oxygen cost of running coincided with alterations in SL and SF, and that changes in V_ O2 during submaximal running were found to be inversely correlated with changes in SL after EIMD for seven of the 10 participants (r ¼ 0.71 to 0.92) reinforce the findings of previous running-related studies. Moreover, the outcome that our participants experienced heightened muscle soreness 24 and 48 hours after the squatting exercise might explain the shortened SL as a strategy to limit their discomfort. However, while kinematic changes could have influenced the time course response of running V_ O2 after EIMD, the observation of
Hamill that minor kinematic changes occurred without any concomitant rise in oxygen cost implies that other mechanisms were involved
Cavanagh and Williams reported an increased V_ O2 response when runners deviated from their optimal SL.
Therefore, it is feasible that the elevated V_ O2 response during submaximal running was due, in part, to changes in lower limb kinematics following muscle-damaging exercise. Indeed, the findings that this increased oxygen cost of running coincided with alterations in SL and SF, and that changes in V_ O2 during submaximal running were found to be inversely correlated with changes in SL after EIMD for seven of the 10 participants (r ¼ 0.71 to 0.92) reinforce the findings of previous running-related studies. Moreover, the outcome that our participants experienced heightened muscle soreness 24 and 48 hours after the squatting exercise might explain the shortened SL as a strategy to limit their discomfort. However, while kinematic changes could have influenced the time course response of running V_ O2 after EIMD, the observation of
Hamill that minor kinematic changes occurred without any concomitant rise in oxygen cost implies that other mechanisms were involved
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