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. 2016 Nov 8;29(12):1825–1834. doi: 10.1002/nbm.3662

Table 4.

31P–MR measures of mitochondrial function measured and derived from the dynamic examinations in five subjects with different knee angulations (0° and ~60°) (n = 5)

GL GM SOL
Knee flexion [°] 0 60 0 60 0 60
PCr drop [%] 75.4 ± 17.0 24.2 ± 12.7§ 68.4 ± 24.9 20.4 ± 9.2§ 18.0 ± 8.5 43.2 ± 19.1*
τ PCr [s] 60.8 ± 10.1 57.7 ± 24.9 58.5 ± 21.7 58.7 ± 11.9 70.3 ± 12.0 42.5 ± 6.9§
pH end_exercise 6.76 ± 0.15 6.94 ± 0.07* 6.76 ± 0.20 7.00 ± 0.05* 6.93 ± 0.14 6.93 ± 0.14
V PCr [mM/s] 0.47 ± 0.08 0.24 ± 0.13* 0.43 ± 0.18 0.21 ± 0.09* 0.12 ± 0.07 0.47 ± 0.27*
Q max [mM/s] 0.60 ± 0.13 0.44 ± 0.18 0.59 ± 0.22 0.45 ± 0.15 0.33 ± 0.14 0.80 ± 0.34*

Data are given as mean ± standard deviation. Significant differences between exercise protocols are depicted as follows:

*

p < 0.05 and

§

p < 0.01.