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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: Physiology (Bethesda). 2011 Jun;26(3):132–145. doi: 10.1152/physiol.00052.2010

FIGURE 1. Forearm skin blood flow and brachial artery mean shear rate during prolonged cycling exercise.

FIGURE 1

Increase in forearm skin blood flow and brachial artery mean shear rate during prolonged cycling exercise (top and middle) [data adapted from Simmons et al. (181)]. Bottom: original Doppler ultrasound images from a representative subject illustrate the remarkable changes in blood velocity profiles from rest (left) to early (middle) and prolonged (right) exercise.