Figure 2. On-transient responses to a moderate increase in work rate intensity.

An example of the on-transient responses for O₂ uptake (A), integrated EMG (B) and mean power frequency (C) for an individual subject to a step increase in work rate of moderate intensity below the lactate threshold. The group mean O₂ response for a step increase in work rate to <LT and during repeated bouts of exercise above the LT (>LT₁, >LT₂) are presented in Figs 4 and 5, respectively.