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Article

Vigorous-Intensity Physical Activities Are Associated with High Brown Adipose Tissue Density in Humans

1
Department of Sports Medicine for Health Promotion, Tokyo Medical University, Tokyo 160-8402, Japan
2
Department of Preventive Medicine and Public Health, Tokyo Medical University, Tokyo 160-8402, Japan
3
Japan Institute of Sports Sciences, Tokyo 115-0056, Japan
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(8), 2796; https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17082796
Received: 27 February 2020 / Revised: 8 April 2020 / Accepted: 15 April 2020 / Published: 18 April 2020
Brown adipose tissue (BAT) plays a role in adaptive thermogenesis in response to cold environments and dietary intake via sympathetic nervous system (SNS) activation. It is unclear whether physical activity increases BAT density (BAT-d). Two-hundred ninety-eight participants (age: 41.2 ± 12.1 (mean ± standard deviation), height: 163.6 ± 8.3 cm, weight: 60.2 ± 11.0 kg, body mass index (BMI): 22.4 ± 3.0 kg/m2, body fat percentage: 25.4 ± 7.5%) without smoking habits were categorized based on their physical activity levels (a group performing physical activities including walking and moderate physical activity (WM) and a group performing WM + vigorous-intensity physical activities (VWM)). We measured the total hemoglobin concentration ([Total-Hb]) in the supraclavicular region, an index of BAT-d, and anthropometric parameters. [Total-Hb] was significantly higher in VWM than WM for all participant groups presumably owing to SNS activation during vigorous-intensity physical activities, and unrelated to the amount of total physical activity levels. Furthermore, multiple regression analysis revealed that BAT-d was related to visceral fat area and VWM in men and related to body fat percentage in women. We conclude that vigorous-intensity physical activities are associated with high BAT-d in humans, especially in men. View Full-Text
Keywords: brown adipose tissue (BAT); vigorous-intensity physical activities (VPA); near-infrared time-resolved spectroscopy (NIRTRS); exercise; sympathetic nervous system (SNS) brown adipose tissue (BAT); vigorous-intensity physical activities (VPA); near-infrared time-resolved spectroscopy (NIRTRS); exercise; sympathetic nervous system (SNS)
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MDPI and ACS Style

Tanaka, R.; Fuse, S.; Kuroiwa, M.; Amagasa, S.; Endo, T.; Ando, A.; Kime, R.; Kurosawa, Y.; Hamaoka, T. Vigorous-Intensity Physical Activities Are Associated with High Brown Adipose Tissue Density in Humans. Int. J. Environ. Res. Public Health 2020, 17, 2796. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17082796

AMA Style

Tanaka R, Fuse S, Kuroiwa M, Amagasa S, Endo T, Ando A, Kime R, Kurosawa Y, Hamaoka T. Vigorous-Intensity Physical Activities Are Associated with High Brown Adipose Tissue Density in Humans. International Journal of Environmental Research and Public Health. 2020; 17(8):2796. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17082796

Chicago/Turabian Style

Tanaka, Riki, Sayuri Fuse, Miyuki Kuroiwa, Shiho Amagasa, Tasuki Endo, Akira Ando, Ryotaro Kime, Yuko Kurosawa, and Takafumi Hamaoka. 2020. "Vigorous-Intensity Physical Activities Are Associated with High Brown Adipose Tissue Density in Humans" International Journal of Environmental Research and Public Health 17, no. 8: 2796. https://0-doi-org.brum.beds.ac.uk/10.3390/ijerph17082796

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