Estimating energy expenditure by heart-rate monitoring without individual calibration

Article Abstract:

This article examines the accuracy of measuring energy expenditure through the use of heart rate monitoring without calibration for each subject. Findings indicate that uncalibrated heart rate monitoring is a useful tool for estimating energy metabolism in large, population-based epidemiological studies.

Usage, Patient monitoring, Physiologic monitoring

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Issues of fractionization of exercise (short versus long bouts)

Article Abstract:

This article examines the effects of varying the duration of exercise sessions on subsequent health outcomes. Findings indicate that there were no significant differences in triglyceride concentrations or cardiorespiratory fitness indicators in subjects who completed a continuous exercise session or two shorter but equally intense sessions.

Physical fitness, Circulatory system, Cardiopulmonary system, Respiratory system, Triglycerides

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Comparison of PAEE from combined and separate heart rate and movement models in children

Article Abstract:

A comparison was done between the estimated physical activity energy expenditure (PAEE) from hip- and ankle-mounted Manufacturing Technologies Inc. (MTI) Actigraphs, a hip-mounted Actical, and a combined heart rate (HR) and movement sensor, the Actiheart. Results indicate that combined HR and movement sensing is most valid for estimating PAEE in children during treadmill walking and running, compared with movement or HR alone, as it also has the lowest level of systematic error.

Science & research, Research, Epidemiology

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