HRTP, Prolonged Ergometer Exercise, and Single Sculling

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·O 2max 4.77 ± 0.62 l · min-1) performed incremental exercise tests and 30-min prolonged E and...

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Bibliographic Details
Published in:International journal of sports medicine 2007-11, Vol.28 (11), p.964-969
Main Authors: Hofmann, P., Jürimäe, T., Jürimäe, J., Purge, P., Maestu, J., Wonisch, M., Pokan, R., Duvillard, S. P. von
Format: Article
Language:English
Subjects:
Adolescent
Adult
Biological and medical sciences
Exercise - physiology
Exercise Test - methods
Female
Fundamental and applied biological sciences. Psychology
Heart Rate - physiology
Humans
Lactic Acid - blood
Lactic Acid - metabolism
Male
Physical Endurance - physiology
Respiration
Sports - physiology
Tidal Volume - physiology
Training & Testing
Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports
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Summary: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·O 2max 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 V E TP 2 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·O 2 between HRTP and V· E TP 2 and they were significantly related (r = 0.94, p < 0.001; r = 0.96, p < 0.001). Mean HR, V·O 2 , V·CO 2 , 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 (V T ) 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.
ISSN:0172-4622
1439-3964
DOI:10.1055/s-2007-965074