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. 2018 Feb 21;9:111. doi: 10.3389/fphys.2018.00111

Figure 2.

Figure 2

The placebo (PL; white) and β-alanine (BA; gray) group mean muscle pH response during incremental (INC KEE) (A,B) and intermittent (INT KEE) (C,D) knee-extension exercise pre- (circles) and post- (triangles) supplementation. Error bars represent SD. For clarity, error bars are omitted for all data points except Tlim.