Table 1.

Parameters for the fundamental [PCr] component (model B)

			Bout 1					Bout 2
Subject no	No. of transitions	∼Work rate (W)	[PCr]0 (Δ)	Δ[PCr]ss (Δ)	τ (s)	τC95 (s)	ξ2	[PCr]0 (Δ)	Δ[PCr]ss (Δ)	τ (s)	τC95 (s)	ξ2
1	4	120	99.83	31.08	38.1	5.3	3.57	96.92	29.08	43.4	4.2	1.60
2	5	50	100.15	20.86	33.9	5.6	1.85	101.34	20.7	28.1	5.8	2.40
3	4	100	99.87	25.40	38.5	3.1	0.77	96.73	20.36	31.9	5.2	3.73
4	2	50	100.25	15.68	32.8	8.2	2.42	98.26	13.93	32.9	8.9	2.09
5	3	100	99.96	22.02	37.3	4.2	1.03	97.23	14.59	24.3	4.5	2.90
6	4	120	100.06	14.30	37.8	8.3	3.89	100.21	11.87	48.2	7.7	0.65
7	2	50	100.19	18.27	25.6	7.4	3.24	98.51	12.14	16.1	10.4	2.02
Mean	3	84	100.04	21.09	34.86	6.0	2.40	98.46 *	17.52 *	32.13	6.7	2.20
s.d.	1.1	33	0.16	5.81	4.64	2.0	1.23	1.75	6.25	10.96	2.4	0.97

^*[PCr] response value for bout 2 is significantly different from bout 1. See eqn (1) for definitions.