Fig. 1

Field of view and muscle segmentations. Left: Location chosen for the field of view centered at mid-thigh level, shown on a surface render plot of the upper legs. Right: Axial Dixon water image with segmentations drawn in the hamstring and quadriceps muscles of both legs. VL: vastus lateralis, VI: vastus intermedius, RF: rectus femoris, VM: vastus medialis, BFS: biceps femoris short head, BFL: biceps femoris long head, ST: semitendinosus, SM: semimembranosus.