Articles with "hours week" as a keyword



Structured and unstructured physical activity habits: a study on adolescents’ motivational characteristics for exercising

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Published in 2025 at "International Journal of Adolescence and Youth"

DOI: 10.1080/02673843.2024.2446462

Abstract: ABSTRACT Structured (sports club, SC) and unstructured (leisure-time exercise, LTE) physical activities (PAs) are key for the enhancement of health in adolescents, motivation being a potential factor of adolescents’ active habits. The aim of this… read more here.

Keywords: hours week; activity habits; structured unstructured; unstructured physical ... See more keywords

P-058 Physical activity and semen quality in a North American preconception cohort study

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Published in 2025 at "Human Reproduction"

DOI: 10.1093/humrep/deaf097.367

Abstract: To what extent does physical activity (PA), particularly bicycling, influence semen quality among North American pregnancy planners? While there was little association between vigorous, moderate, or total PA and semen quality, bicycling ≥3 hours/week was associated… read more here.

Keywords: semen quality; hours week; history; activity ... See more keywords

1252 Long weekly working hours and risk of ischaemic heart disease and stroke

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Published in 2018 at "Occupational and Environmental Medicine"

DOI: 10.1136/oemed-2018-icohabstracts.1367

Abstract: Introduction Studies have indicated that long working hours is associated with circulatory diseases. The aim of the present studies was to test if long working hours were prospectively associated with ischaemic heart disease (IHD), usage… read more here.

Keywords: working hours; ischaemic heart; hours week; heart disease ... See more keywords

Abstract 4139665: Effects of Various Caffeine Drinks on the Cardiovascular Health of Youth Athletes

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Published in 2024 at "Circulation"

DOI: 10.1161/circ.150.suppl_1.4139665

Abstract: Introduction: Caffeine has been associated with both positive and negative impacts on adult athletes. However, the effects of caffeine on youth athletes have not been clearly established. Hypothesis: Cardiac screening findings will vary by caffeine… read more here.

Keywords: hours week; youth; risk; youth athletes ... See more keywords

Longitudinal Changes in Physical Activity during Pregnancy: NICHD Fetal Growth Studies.

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Published in 2022 at "Medicine and science in sports and exercise"

DOI: 10.1249/mss.0000000000002947

Abstract: INTRODUCTION Exercise in pregnancy is associated with many perinatal benefits, but patterns of home, work, and commuting activity are not well described. We investigated longitudinal activity in singleton and twin pregnancy by activity domain and… read more here.

Keywords: baseline; activity; pregnancy; hours week ... See more keywords