Fig. 3
From: Relationship of post-exercise muscle oxygenation and duration of cycling exercise

End-exercise (EE) values (mean ± SD) of ΔO2Hb (solid line), ΔHHb (dotted line), and ΔTHb (broken line). Asterisks represent results from post-hoc tests in relation to values marked with double lines; * = P < 0.05; ** = P < 0.01; *** = P < 0.001