“…Exercise-induced increases in T 1 and T 2 [ 61 ], were recapitulated in the PEMF group, but on a smaller scale. Increases in T 1 and T 2 may signify changes in muscle perfusion in response to metabolic demand and in the context of PEMF treatment may either reflect edema or possibly enhanced metabolic status, which would coincide with the 31 P MRS data ( Fig.…”