Mitochondrial oxidative phosphorylation capacity in skeletal muscle measured by ultrafast Z‐spectroscopy (UFZ) MRI at 3T. - Ju, Licheng; Schär, Michael; Wang, Kexin; Li, Anna; Wu, Yihan; Samuel, T. Jake; Ganji, Sandeep; van Zijl, Peter C. M.; Yadav, Nirbhay N.; Weiss, Robert G.; Xu, Jiadi (Magnetic Resonance in Medicine, 2025)