Assessment of prescribed increases in physical activity: Application of a new method for microprocessor analysis of heart rate

John Kurt Mueller, Denis Gossard, Flay R. Adams, Craig Barr Taylor, William L. Haskell, Helena C. Kraemer, David K. Ahn, Kent Burnett, Robert F. DeBusk

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

A portable solid-state recorder-display system was used to measure and analyze heart rate during the waking hours of 3 consecutive days in free-living sedentary normal middle-aged men who were randomized to undergo 3 regimens of physical activity during a 12-week period: low-intensity exercise training at home (n = 21), high-intensity exercise training at home (n = 23) and customary activity (n = 20). This was done to determine whether the system could detect changes in heart rate and, indirectly, in physical activity within the 3 groups. In both training groups the percentage of total recorded time spent within the prescribed high or low heart rate range recorded at 6 or 12 weeks increased significantly (p < 0.05), whereas control subjects showed no increase above baseline values. Peak oxygen consumption increased by 8% and 17% in men undergoing low- and high-intensity training, whereas in control subjects it did not change. This solid-state system reliably measures prescribed increases in heart rate and provides an indirect measure of physical activity in normal sedentary men undergoing exercise training at home.

Original languageEnglish
Pages (from-to)441-445
Number of pages5
JournalThe American journal of cardiology
Volume57
Issue number6
DOIs
StatePublished - Feb 15 1986

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Microcomputers
Heart Rate
Exercise
Oxygen Consumption

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Mueller, J. K., Gossard, D., Adams, F. R., Taylor, C. B., Haskell, W. L., Kraemer, H. C., ... DeBusk, R. F. (1986). Assessment of prescribed increases in physical activity: Application of a new method for microprocessor analysis of heart rate. The American journal of cardiology, 57(6), 441-445. https://doi.org/10.1016/0002-9149(86)90769-1

Assessment of prescribed increases in physical activity : Application of a new method for microprocessor analysis of heart rate. / Mueller, John Kurt; Gossard, Denis; Adams, Flay R.; Taylor, Craig Barr; Haskell, William L.; Kraemer, Helena C.; Ahn, David K.; Burnett, Kent; DeBusk, Robert F.

In: The American journal of cardiology, Vol. 57, No. 6, 15.02.1986, p. 441-445.

Research output: Contribution to journalArticle

Mueller, JK, Gossard, D, Adams, FR, Taylor, CB, Haskell, WL, Kraemer, HC, Ahn, DK, Burnett, K & DeBusk, RF 1986, 'Assessment of prescribed increases in physical activity: Application of a new method for microprocessor analysis of heart rate', The American journal of cardiology, vol. 57, no. 6, pp. 441-445. https://doi.org/10.1016/0002-9149(86)90769-1
Mueller, John Kurt ; Gossard, Denis ; Adams, Flay R. ; Taylor, Craig Barr ; Haskell, William L. ; Kraemer, Helena C. ; Ahn, David K. ; Burnett, Kent ; DeBusk, Robert F. / Assessment of prescribed increases in physical activity : Application of a new method for microprocessor analysis of heart rate. In: The American journal of cardiology. 1986 ; Vol. 57, No. 6. pp. 441-445.
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