Table 2.

Results from ¹H and ³¹P MRS.

	Lean and active (n = 10)	Overweight and sedentary (n = 9)	p-values
1H MRS
[Ac] at rest (mmol/L)	2.88 ± 1.05	1.52 ± 0.59	0.002
[Ac] end of exercise (mmol/L)	3.48 ± 1.38	1.21 ± 0.51	≤ 0.001
Δ [Ac] recovery-exercise (mmol/L)	0.10 ± 1.02	2.23 ± 1.97
IMCL (% of water peak)	0.33 ± 0.20	0.58 ± 0.26	0.04
31P MRS
[PCr] at rest (mmol/L)	34.52 ± 4.96	29.04 ± 7.87
[Pi] at rest (mmol/L)	2.63 ± 0.57	2.52 ± 0.51
pH rest	7.04 ± 0.03	7.03 ± 0.03
ADP at rest (µmol/L)	8.72 ± 0.63	8.60 ± 0.92
PDE (mmol/L)	2.12 ± 0.68	2.75 ± 0.52	0.04
GPC (mmol/L)	2.02 ± 0.64	2.68 ± 0.48	0.02
PME (mmol/L)	0.28 ± 0.07	0.26 ± 0.07
NADP(mmol/L)	0.20 ± 0.08	0.31 ± 0.18
τPCr on-kinetics (s)	44.74 ± 4.10	53.71 ± 5.68	0.002
τPCr recovery (s)	38.84 ± 7.6	71.02 ± 15.00	≤ 0.001
Qmax (mM/s)	0.76 ± 0.18	0.46 ± 0.21	0.004
PCr drop (%)	43.54 ± 9.68	35.44 ± 11.35
[PCr] end of exercise (mmol/L)	17.97 ± 2.62	18.14 ± 3.44
[Pi] end of exercise (mmol/L)	6.98 ± 2.66	5.76 ± 2.81
pH end of exercise	6.97 ± 0.03	6.99 ± 0.04
ADP end of exercise (µmol/L)	49.70 ± 14.60	54.20 ± 22.84

Significant values are in bold.

Data are given as mean ± standard deviation.