Andrew D Weedall, Alexander Dallaway, John Hattersley, Michael Diokno, Charles E Hutchinson, Adrian J Wilson, Sarah C Wayte
OBJECTIVE: To investigate differences in diffusion tensor imaging (DTI) parameters and proton density fat fraction (PDFF) in the spinal muscles of younger and older adult males. METHODS: Twelve younger (19-30 years) and 12 older (61-81years) healthy, physically active male participants underwent T1W , T2W , Dixon and DTI of the lumbar spine. The eigenvalues ( λ 1 , λ 2 , and λ 3 ), fractional anisotropy (FA), and mean diffusivity (MD) from the DTI together with the PDFF were determined in the multifidus, medial and lateral erector spinae (ESmed, ESlat), and quadratus lumborum (QL) muscles...
January 2024: BJR open