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. Author manuscript; available in PMC: 2015 Mar 1.
Published in final edited form as: Eur J Appl Physiol. 2013 Apr 5;114(3):445–450. doi: 10.1007/s00421-013-2636-5

Figure 6.

Figure 6

The heart and brain require oxygen under all circumstances, while other tissues need varying amounts depending on the situation. During whole-body exercise, highly trained athletes are able to tolerate lower arterial blood pressures to ensure high levels of skeletal muscle perfusion. This observation supports the interpretation that oxygen delivery may become more important than the support of an “arbitrary” arterial pressure during whole-body exercise. Figure designed with data from Calbet et al, 2004.