Figure 1

Muscle histograms. Example of two histograms demonstrating single (a) and triple (b) muscle peak values. Vertical dotted lines intersect the histogram to indicate the peak muscle signal values (i.e., 35 & 26).

Muscle histograms. Example of two histograms demonstrating single (a) and triple (b) muscle peak values. Vertical dotted lines intersect the histogram to indicate the peak muscle signal values (i.e., 35 & 26).