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Full-Text Articles in Life Sciences

Does The Friel Anaerobic Threshold Test Accurately Detect Heart Rate Deflection In Trained Cyclists?, Willie K. Yuen, Shad R. Schreiner, Donald L. Hoover, Janice K. Loudon, Sandra A. Billinger Jul 2011

Does The Friel Anaerobic Threshold Test Accurately Detect Heart Rate Deflection In Trained Cyclists?, Willie K. Yuen, Shad R. Schreiner, Donald L. Hoover, Janice K. Loudon, Sandra A. Billinger

International Journal of Exercise Science

The Friel Anaerobic Threshold Test (FATT) has been used to determine anaerobic threshold (AT). The FATT suggests AT occurs near the heart rate deflection point (HRDP) at a rating of perceived exertion (RPE) of 17. Purpose: The primary purpose of this study was to determine 1) whether the HRDP could be determined using the FATT, 2) examine differences between HRVT and HR that coincided Borg’s rating of perceived exertion (RPE) of 17, and 3) if riding position (hoods or aero) would influence performance. Methods: Fourteen male cyclists (30.4 ± 7.41years of age; 151.8 ± 60.4 cycled miles/week) participated in the …


Effect Of Plasma Donation On Responses To Exhaustive Severe Intensity Cycle Ergometer Exercise, John H. Curtis, David W. Hill, Samantha Burdette, Jakob Vingren Feb 2011

Effect Of Plasma Donation On Responses To Exhaustive Severe Intensity Cycle Ergometer Exercise, John H. Curtis, David W. Hill, Samantha Burdette, Jakob Vingren

International Journal of Exercise Science: Conference Proceedings

PURPOSE: The purpose of this study was to investigate the time course of the effects of plasma donation on responses to severe intensity exercise. METHODS: Four women (mean ± SD: age, 27 ± 7 years; height, 163 ± 13 cm; weight, 62.9 ± 12.0 kg) and six men (age, 25 ± 2 years; height, 180 ± 6 cm; weight, 87.3 ± 6.2 kg) performed exhaustive cycle ergometer tests under control conditions, and then 2 h, 2 d, and 7 d following plasma donation. RESULTS: Times to exhaustion at baseline and 2 h, 2 d, and 7 d following plasmapheresis were …