Figure 3
a Delta-oxygenated hemoglobin [arbitrary units (AU)] values for cases, controls, and 30% maximal voluntary contraction (MVC) controls, before (upper panel) and after (lower panel) adjusting for tension-time index (TTI) (Newton-seconds). b Delta-deoxygenated hemoglobin values before (upper panel) and after (lower panel) adjusting for TTI. Orange crosses mean, green dash mean plus standard deviation and purple dash mean minus standard deviation.