Table 1.
PCr depletion (relative to resting PCr signal), PCr recovery time constant τPCr, pH values at rest, at end of exercise and at the post exercise minimum and maximum oxidative capacity Qmax of n = 9 subjects. Data were quantified from unaveraged spectra, errors for PCr depletion and τPCr of individuals are SDs resulting from the fitting algorithm, the uncertainty of Qmax was derived via error propagation. The pH at the end of exercise and the post exercise minimum in GM were quantified from four unaveraged spectra, (SDs over five data points). The resting pH in SOL and GM and the pH during the last 2 min measured in SOL was derived from blocks of five accumulated spectra (SDs over four data points). Group averages represent the mean ± SD of individuals’ data.
| Subj. | PCr depletion | τPCr | pHrest | pHend ex | pHend rcv(SOL) pHmin(GM) | Qmax [mM/min] | |
|---|---|---|---|---|---|---|---|
| SOL | 1 | 6 ± 1 % | - | 7.04 ± 0.004 | 7.05 ± 0.01 | 7.03 ± 0.006 | - |
| 2 | 38 ± 2 % | 54 ± 5 s | 6.99 ± 0.014 | 7.03 ± 0.01 | 7.00 ± 0.010 | 23 ± 2 | |
| 3 | 23 ± 2 % | 23 ± 4 s | 7.03 ± 0.006 | 7.02 ± 0.02 | 6.99 ± 0.005 | 40 ± 7 | |
| 4 | 17 ± 1 % | 20 ± 3 s | 7.00 ± 0.002 | 7.02 ± 0.01 | 6.97 ± 0.014 | 39 ± 7 | |
| 5 | 14 ± 1 % | 63 ± 12 s | 7.02 ± 0.001 | 7.05 ± 0.01 | 7.00 ± 0.002 | 10 ± 2 | |
| 6 | 20 ± 3 % | 24 ± 7 s | 7.02 ± 0.003 | 7.08 ± 0.01 | 7.01 ± 0.002 | 33 ± 10 | |
| 7 | 15 ± 2 % | 30 ± 9 s | 7.02 ± 0.010 | 7.07 ± 0.01 | 7.00 ± 0.018 | 23 ± 7 | |
| 8 | 11 ± 1 % | 77 ± 15 s | 7.02 ± 0.006 | 7.06 ± 0.02 | 7.00 ± 0.012 | 8 ± 2 | |
| 9 | 26 ± 1 % | 42 ± 5 s | 7.02 ± 0.004 | 7.06 ± 0.01 | 7.01 ± 0.006 | 23 ± 2 | |
| GM | 1 | 65 ± 1 % | 32 ± 1 s | 7.03 ± 0.003 | 7.03 ± 0.01 | 6.90 ± 0.05 | 51 ± 1 |
| 2 | 90 ± 2 % | 71 ± 3 s | 6.98 ± 0.019 | 6.47 ± 0.03 | 6.38 ± 0.06 | 30 ± 1 | |
| 3 | 94 ± 1 % | 68 ± 1 s | 7.08 ± 0.003 | 6.58 ± 0.02 | 6.46 ± 0.03 | 30 ± 1 | |
| 4 | 69 ± 1 % | 34 ± 1 s | 7.01 ± 0.002 | 6.97 ± 0.02 | 6.80 ± 0.01 | 49 ± 1 | |
| 5 | 69 ± 1 % | 62 ± 2 s | 7.05 ± 0.010 | 6.78 ± 0.01 | 6.65 ± 0.10 | 29 ± 1 | |
| 6 | 76 ± 2 % | 44 ± 2 s | 7.04 ± 0.005 | 6.95 ± 0.03 | 6.83 ± 0.12 | 41 ± 2 | |
| 7 | 49 ± 1 % | 45 ± 1 s | 7.04 ± 0.004 | 7.01 ± 0.01 | 6.87 ± 0.02 | 31 ± 1 | |
| 8 | 83 ± 1 % | 45 ± 1 s | 7.05 ± 0.008 | 6.87 ± 0.01 | 6.68 ± 0.01 | 42 ± 1 | |
| 9 | 73 ± 2 % | 37 ± 2 s | 7.06 ± 0.007 | 6.93 ± 0.02 | 6.75 ± 0.03 | 48 ± 1 | |
| SOL | 19 ± 9 % | 37 ± 17 s | 7.02 ± 0.02 | 7.06 ± 0.02 | 7.00 ± 0.01 | 25 ± 12 | |
| GM | 74 ± 14 % | 49 ± 15 s | 7.04 ± 0.03 | 6.85 ± 0.19 | 6.70 ± 0.19 | 39 ± 9 | |