NDLI: The influence of aerobic exercise training on the double product break point in low-to-moderate risk adults

Content Provider	Springer Nature Link
Author	Hargens, Trent A. Griffin, Diane C. Kaminsky, Leonard A. Whaley, Mitchell H.
Copyright Year	2010
Abstract	The double product is the product of the heart rate and systolic blood pressure. The double product break point (DPBP) is a physiologic threshold that occurs at similar exercise intensities to that of the ventilatory threshold (VT). The influence of aerobic exercise training on the DPBP has not yet been examined. The purpose of this study was to examine whether aerobic exercise training (ET) increases the exercise intensity at which the DPBP occurs, and whether it increases in a similar fashion to the VT. Seven males and 11 females, all sedentary (mean ± SD: age = 29.9 ± 10.5 years) underwent supervised cardiopulmonary exercise testing using a cycle ergometer ramp protocol at baseline and after 8 weeks of vigorous ET on a cycle ergometer. The VT was determined by gas analysis and the V-slope method. Experienced observers using standardized instructions visually determined the DPBP. Following ET, VO2peak, maximal workload, and body composition variables all showed significant positive changes. The VO2 at which the DPBP and VT occurred increased significantly from baseline to follow-up (P < 0.001). At baseline and at follow-up, the DPBP and VT did not differ. The DPBP and VT were significantly correlated to each other at both time points. Results suggest that the DPBP responds to ET in a similar fashion to that of the VT, and may be an easier and more useful marker of the VT for exercise training purposes.
Starting Page	313
Ending Page	318
Page Count	6
File Format	PDF
ISSN	14396319
Journal	European Journal of Applied Physiology
Volume Number	111
Issue Number	2
e-ISSN	14396327
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-09-28
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Exercise training Double product break point Ventilatory threshold Cardiopulmonary exercise testing Sports Medicine Occupational Medicine/Industrial Medicine Human Physiology
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Physiology (medical) Public Health, Environmental and Occupational Health Sports Science

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Title: The Influence of Aerobic Exercise Training on the Double Product Break Point in Low-to-Moderate Risk Adults

Relationship between double product break point, lactate threshold, and ventilatory threshold in cardiac patients

Estimation of the exercise ventilatory compensation point by the analysis of the relationship between minute ventilation and heart rate

Low agreement of ventilatory threshold between training modes in cardiac patients

Influence of acute passive stretching on the oxygen uptake vs work rate slope during an incremental cycle test

Sequencing patterns of ventilatory indices in less trained adults

An examination of exercise mode on ventilatory patterns during incremental exercise

Effect of acute normobaric hypoxia on the ventilatory threshold

Effects of β2-adrenergic stimulation on exercise capacity in normal subjects

The influence of aerobic exercise training on the double product break point in low-to-moderate risk adults

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Title: The Influence of Aerobic Exercise Training on the Double Product Break Point in Low-to-Moderate Risk Adults

Relationship between double product break point, lactate threshold, and ventilatory threshold in cardiac patients

Estimation of the exercise ventilatory compensation point by the analysis of the relationship between minute ventilation and heart rate

Low agreement of ventilatory threshold between training modes in cardiac patients

Influence of acute passive stretching on the oxygen uptake vs work rate slope during an incremental cycle test

Sequencing patterns of ventilatory indices in less trained adults

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The influence of aerobic exercise training on the double product break point in low-to-moderate risk adults