Table 2.

[PCr] kinetics during rest-to-moderate, rest-to-heavy and moderate-to-heavy exercise transitions as established using Model 2

	Rest-to-moderate	Rest-to-heavy	Moderate-to-heavy
[PCr] at baseline (%)	100 ± 0	100 ± 0	85 ± 3*†
Time constant (s)	25 ± 14	63 ± 21*	111 ± 57*†
Fundamental amplitude (%)	15 ± 3	56 ± 7 *	50 ± 12*
Slow phase time delay (s)	N/A	167 ± 60	157 ± 20
Slow phase amplitude (%)	N/A	11 ± 3	3 ± 9†
[PCr] at end-exercise (%)	85 ± 3	33 ± 7 *	32 ± 10*

^*Significantly different from rest-to-moderate exercise condition (P < 0.05)

^†significantly different from rest-to-heavy exercise condition (P < 0.05).