The measurement of energy expenditure is used to assess metabolic needs, fuel utilization, and the relative thermic effect of different food, drink, activities and/or pharmaceuticals. Where high accuracy is required an indirect calorimetry system can be used to measure H2O, O2 and CO2 concentrations. Indirect calorimetry systems may employ masks, hoods, canopies or room/chambers for collection of expired air. Comparative translational research from rodents to ruminants can extend the scope of exercise performance research, especially in relation to atmospheric or environmental challenges.
Salient Features
- Excellent accuracy and response time
- Real time monitoring of O2, CO2, and H2O
- Pull mode respirometry
Sable Solutions
Stable Isotope Gas Analyzer
Promethion High-Definition Room Calorimetry System
Mouse Respirometry Treadmill
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Relevant Publications
Trangmar, S. J., Chiesa, S. T., Stock, C. G., Kalsi, K. K., Secher, N. H., & González‐Alonso, J. (2014). Dehydration affects cerebral blood flow but not its metabolic rate for oxygen during maximal exercise in trained humans. The Journal of Physiology.
Castillo, E. R., Lieberman, G. M., McCarty, L. S., & Lieberman, D. E. (2014). Effects of pole compliance and step frequency on the biomechanics and economy of pole carrying during human walking. Journal of Applied Physiology (Bethesda, Md.: 1985).
Rosa, M. C., Phillips, M. I., & Oliveira, E. M. (2013). MicroRNAs 29 are involved in the improvement of. Eur Heart J, 34(24), 1790-1799.
Melo, S. F., Fernandes, T., Baraúna, V., Matos, K. C., Santos, A. A., Tucci, P. J., & Oliveira, E. M. (2014). Expression of MicroRNA-29 and Collagen in Cardiac Muscle after Swimming Training in Myocardial-Infarcted Rats. Cellular Physiology and Biochemistry, 33(3), 657-669.
Tingelstad, H. C. (2013). The effect of four weeks of cold acclimation on changes in muscle activity (Doctoral dissertation, University of Ottawa).
Walsberg, G. E., Hoffman, T. C. M. (2005). Direct calorimetry reveals large errors in respirometric estimates of energy expenditure. Journal of Experimental Biology, 208, 1035-1043.
Kaiyala, K. J., Ogimoto, K., Nelson, J. T., Schwartz, M. W., Morton, G. J. (2015). Leptin Signaling Is Required for Adaptive Changes in Food Intake, but Not Energy Expenditure, in Response to Different Thermal Conditions. PLoS ONE, 10(3)
Muller, M. D., Mast, J. L., Patel, H., & Sinoway, L. I. (2013). Cardiac mechanics are impaired during fatiguing exercise and cold pressor test in healthy older adults. Journal of Applied Physiology, 114(2), 186-194.
Crocker, G. H., Toth, B., & Jones, J. H. (2013). Combined effects of inspired oxygen, carbon dioxide, and carbon monoxide on oxygen transport and aerobic capacity. Journal of Applied Physiology, 115(5), 643-652.
