ESS 3091- 5- Exercise Metabolism- Student-2

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Unformatted text preview: the blood Expired at lungs= ↑CO2 part of RER VCO2/ VO2 GXT ======== == TIME min 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 10.5 11.0 VO2 L/min 0.63 0.57 0.81 0.89 1.29 1.30 1.16 1.04 1.53 1.55 1.82 1.71 1.71 2.02 2.05 2.21 2.20 2.28 2.50 2.39 2.63 2.72 VO2/kg ml/kg/m 8.01 7.30 10.29 11.29 16.35 16.52 14.77 13.19 19.52 19.73 23.17 21.78 21.79 25.68 26.10 28.12 28.03 28.95 31.87 30.45 33.41 34.55 VCO2 L/min 0.55 0.56 0.70 0.72 0.95 1.01 0.93 0.85 1.21 1.32 1.55 1.52 1.54 1.78 1.87 2.11 2.17 2.35 2.59 2.50 2.77 2.97 RER 0.87 0.97 0.87 0.81 0.74 0.78 0.80 0.82 0.79 0.85 0.85 0.89 0.90 0.88 0.91 0.95 0.98 1.03 1.04 1.04 1.06 1.10 Fuel for Exercise During long duration, low-mod intensity steady-state exercise, CHO use ↓ & FAT use ↑ as duration ↑ ◦ Spares muscle & liver glycogen VO2 & Energy Cost VO2 ◦ is an indirect measure of metabolic rate indirect calorimetry metabolic processes (skeletal muscle contraction; Na-K pumping, etc) use ATP (“energy”) VO2 can be used as an estimate of ...
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This document was uploaded on 03/26/2014.

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