Health and Fitness

Effects of accelerometer-based sedentary time and physical activity on DEXA-measured fat mass in 6059 children

A. O. Agbaje, W. Perng, et al.

In a groundbreaking longitudinal study by Andrew O. Agbaje, Wei Perng, and Tomi-Pekka Tuomainen, a clear link emerges between physical activity levels and fat mass in children aged 11–24. Discover how light physical activity and moderate-to-vigorous activity play pivotal roles in reducing fat mass, enhancing health outcomes. This research underscores the importance of staying active for effective obesity prevention.

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Abstract

This longitudinal study examined the relationship between accelerometer-measured sedentary time (ST), light physical activity (LPA), and moderate-to-vigorous physical activity (MVPA) and fat mass in 6059 children aged 11–24 years. Each minute/day of ST was associated with a 1.3 g increase in fat mass, while each minute/day of LPA and MVPA was associated with a 3.6 g and 1.3 g decrease, respectively. Persistently achieving ≥60 min/day of MVPA was linked to a greater fat mass reduction, partly mediated by decreased insulin and LDL cholesterol. LPA showed a similar or stronger fat mass-lowering effect than MVPA, suggesting its importance in obesity prevention.

Publisher

Nature Communications

Published On

Dec 12, 2023

Authors

Andrew O. Agbaje, Wei Perng, Tomi-Pekka Tuomainen

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