1. Physiological Demands of Hiking the Grand Canyon
Billy Sperlich, PhD, Matthias Haegele, Marcus de Marées, MD, Joachim Mester, PhD, John Linville, MPH, CPH 
Wilderness & Environmental Medicine 
Volume 21, Issue 3, Pages (September 2010)
DOI: /j.wem
Copyright © 2010 Wilderness Medical Society Terms and Conditions

2. Figure
Subject's relative oxygen uptake kinetics (dotted grey), percent of Vo2peak (dotted black), percent of maximum HR (black), and RER (grey) over time according to the altitude profile. Black arrows above the time scale indicate short breaks for collecting Lac and Gluc.
Wilderness & Environmental Medicine  , DOI: ( /j.wem )
Copyright © 2010 Wilderness Medical Society Terms and Conditions