Field evaluation of the Computer Science and Applications, Inc. physical activity monitor

Article Abstract:

The Computer Science and Applications, Inc. physical activity monitor has been subjected to field evaluation. Subjects were free-living and used an activity diary as the criterion measure. It was concluded that the monitor may be useful in a field situation in which total physical activity and patterns of physical activity are desired outcomes.

Research, Evaluation, Product information, Physical fitness, Energy metabolism, Sports medicine, Accelerometers, Computer Science and Applications Inc.

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Resting heart rate variability in men varying in habitual physical activity

Article Abstract:

This study used electrocardiograms and self-report measures to investigate the relationship between variability in resting heart rate and regular physical activity levels in healthy men. Results indicate that heart rate measures were consistent across five days and that higher activity levels were not associated with increased resting heart rate variability.

Usage, Exercise, Electrocardiogram, Electrocardiography, Exercise physiology

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Cardiac autonomic imbalance in an overtrained athlete

Article Abstract:

This article presents a case study of a cross-country skier with reduced performance capacity, early breathlessness, and fatigue due to overtraining. Results of power spectral analysis indicate an increase in heart rate variability and a reduction in resting heart rate due to an overtraining-induced autonomic imbalance with associated parasympathetic modulation.

Sweden, Case studies, Athletes, Physical education and training, Physical education, Cross-country skiing, Cross country skiing

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