Peak blood lactate (Lapeak), and rates of perceived exertion (RPE) of the routines.

Values are mean ± SD. TS, Technical Solo; FS, Free Solo; TD, Technical Duet; FD, Free Duet; TT, Technical Team; FT, Free Team; a.u., arbitrary units (0–10+).*Significant differences between junior and senior swimmers for all routines. Significant differences among routines in:Lapeak (PaFT vs. FD and FS; bFS vs. TD.RPE for all swimmers are: cFT vs. FS; dTT vs. FS, TD and FD; eFT vs. FD.RPE (PfTT vs. TS, FS and FD; gFT vs. FS and FD; hFS vs. TD; iTD vs. TT.