Regions of interest analysis
For the primary analysis, pre‐to‐post difference images for the exercise and control trials were created from the first level contrasts of parameter estimates to generate the input images. Paired In all functional analysis (pCASL and task‐based fMRI), only clusters comprising ≥10 continuous voxels are reported. In sensitivity models, all functional data were re‐analysed excluding participants who were left hand dominant (