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Simulated Altitude Via Re-Breathing Creates Arterial Hypoxemia But Fails To Improve Elements Of Running Performance, Matthew J. Garver, Cory M. Scheadler, Logan M. Smith, Sarah J. Taylor, Chase M. Harbach
Simulated Altitude Via Re-Breathing Creates Arterial Hypoxemia But Fails To Improve Elements Of Running Performance, Matthew J. Garver, Cory M. Scheadler, Logan M. Smith, Sarah J. Taylor, Chase M. Harbach
International Journal of Exercise Science
International Journal of Exercise Science 11(6): 187-197, 2018. Acclimatization to altitude has been shown to improve elements of performance. Use of simulated altitude is popular among athletes across the sports spectrum. This work was on a handheld, re-breathing device touted to enhance performance. Seven recreationally-trained athletes used the device for 18 hours over the course of the 37-day intervention trial. The elevations simulated were progressively increased from 1,524m to 6,096m. To ascertain potential efficacy, four performance trials were included (familiarization, baseline, and 2 follow-ups). Hematological (hematocrit, hemoglobin, and lactate), physiological (respiratory exchange ratio, heart rate, and oxygen consumption), and perceptual …