Comparison of two approaches to structured physical activity surveys for adolescents

Article Abstract:

The experiment on the comparison of two approaches to structured physical activity surveys for adolescents is conducted to compare the test-related reliability, convergent validity, and overall feasibility or usability of activity-based (AB) and time-based (TB) approaches. A survey conducted on both the genders overestimated activity levels thus supplementing self-reports with objective data.

Science & research, Youth, Health aspects, Teenagers, Accelerometers

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Age-related decline in physical activity: generalization to nonhumans

Article Abstract:

This article examines current gerontological studies that use nonhuman subjects to investigate biological causes for declines in physical activity associated with aging. Age-related reductions in activity have been observed across many species, are predictive of lifespan, and are associated with changes in dopamine function.

Statistical Data Included, Exercise physiology, Animal behavior, Neural transmission, Synaptic transmission, Gerontology

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Age-related decline in physical activity: a synthesis of human and animal studies

Article Abstract:

This article provides an overview of current research on physical activity declines associated with aging in animal and human populations. The greatest physical activity decline in humans takes place during adolescence and is linked to changes in dopamine activity which regulates locomotion motivation.

Demographic aspects, Sex differences, Epidemiological research, Cross sectional studies, Adolescence, Locomotion

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