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Int J Sports Med 2007; 28(11): 964-969
DOI: 10.1055/s-2007-965074
Training & Testing

© Georg Thieme Verlag KG Stuttgart · New York

HRTP, Prolonged Ergometer Exercise, and Single Sculling

P. Hofmann1 , 2 , T. Jürimäe3 , J. Jürimäe3 , P. Purge3 , J. Maestu3 , M. Wonisch4 , R. Pokan5 , S. P. von Duvillard6
  • 1Institute of Sports Science, KF-University of Graz, Graz, Austria
  • 2Human Performance Reserach Centre, KF‐Uni and Med-Uni Graz, Graz, Austria
  • 3Institute of Sport Pedagogy and Coaching Science, University of Tartu,Tartu, Estonia
  • 4Department of Internal Medicine, Medical University of Graz, Graz, Austria
  • 5Institute of Sports Science, University of Vienna, Vienna, Austria
  • 6Department of Health, Kinesiology and Sports Studies, Human Performance Laboratory, Texas A & M University - Commerce, Texas, United States
Further Information

Publication History

accepted after revision November 7, 2006

Publication Date:
29 May 2007 (online)

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Abstract

The use of the heart rate turn point (HRTP) to set target heart rate (THR) for prolonged rowing ergometer (E) and single scull rowing (R) was evaluated. Ten trained subjects (age 21.3 ± 4.0 yrs; V·O2max 4.77 ± 0.62 l · min-1) performed incremental exercise tests and 30-min prolonged E and R. Expired air and heart rate (HR) were measured continuously. During E and R, blood lactate concentration (La) was measured at rest and after 5, 10, 20, and 30 min. HRTP and VETP2 were determined as the deflection point of the heart rate performance curve and the second TP in minute ventilation (V·E). No significant differences were found for work rate (W), HR, and V·O2 between HRTP and V·ETP2 and they were significantly related (r = 0.94, p < 0.001; r = 0.96, p < 0.001). Mean HR, V·O2, V·CO2, and V·E were not significantly different between E and R. La remained at a steady state in both E and R but was slightly higher in E. Tidal volume (VT) was found to be lower and breathing rate (BR) was significantly higher in R. HR at HRTP from an incremental rowing ergometer exercise test is valid to establish a THR consistent with constant metabolic training intensity in prolonged ergometer and single scull rowing.

Key words

heart rate turn point - ventilatory turn point - lactate steady state - target heart rate - single sculling

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Prof. Mag. Dr. Peter Hofmann

Institute of Sports Science
KF-University of Graz

Mozartgasse 14/1

8010 Graz

Austria

Phone: + 43 31 63 80 23 29

Fax: + 43 31 63 80 97 90

Email: peter.hofmann@uni-graz.at

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