Figure 6.

Illustrative recovery half-times of relative blood flow (rBF), change in oxyhemoglobin concentration (Δ[HbO2]) and change in deoxyhemoglobin concentration (Δ[Hb]) following arm cuff occlusion in (a) a subject with fibromyalgia (FM) and (b) a healthy control. The two solid vertical lines indicate the beginning and ending of cuff occlusion. The horizontal dashed and dotted lines indicate the maximal and half-maximal recovery values of hemodynamic variables, respectively. The vertical dotted lines indicate the recovery half-times.

Shang et al. Arthritis Research & Therapy 2012 14:R236   doi:10.1186/ar4079
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