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. Author manuscript; available in PMC: 2016 Apr 1.
Published in final edited form as: Magn Reson Med. 2014 Apr 14;73(4):1359–1369. doi: 10.1002/mrm.25256

Table 1.

31P T1 relaxation times in resting human calf muscle at 7T

T1 (sec)
EKIT (5-pool Model) Non-selective inversiona
Pi 7.34 ± 0.82 6.3 ± 1.0
PCr 5.30 ± 0.33 4.0 ± 0.2
γ-ATP 1.70 ± 0.21 3.3 ± 0.2
α-ATP 1.30 ± 0.09 1.8 ± 0.1
β-ATP 1.13 ± 0.10 1.8 ± 0.1
a

Bogner, et al. (ref 37) measured by non-selective inversion of all metabolite resonances followed by recovery at 7T. Each metabolite data set was fit to a mono-exponential decay function.