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. Author manuscript; available in PMC: 2016 May 23.
Published in final edited form as: Magn Reson Med. 2007 Apr;57(4):654–660. doi: 10.1002/mrm.21188

Fig. 5.

Fig. 5

Spectra of human gastrocnemius muscle acquired during plantar flexion exercise in an interleaved experiment. (a) 31P STEAM spectra show the PCr/Pi time course. The time resolution for this stack of spectra is 1 min. (b) Series of localized DQF with a time resolution of 2 min. The spectrum in the insert shows the lactate resonance, summed over the ischemic postexercise period (3 min, corresponding to the 6th and part of 7th spectrum in the time series) as it was used for lactate absolute quantification.