Assessment of diurnal metabolism in lumbar paraspinal muscles in vivo using 31P-MRS at 3T - Liang, Xiaoqing; Li, Ying; Lin, Chen; Wang, Wenhao; Liang, Luxiang; Zhang, Yong; Lin, Liangjie (Cape Town - 2026 ISMRM-ISMRT Annual Meeting and Exhibition, 2026)