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Higher muscle mass but lower gynoid fat mass in athletes using anabolic androgenic steroids
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine. Umeå University, Faculty of Medicine, Department of Community Medicine and Rehabilitation, Rehabilitation Medicine.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Sports Medicine.
Department of Health Sciences, Luleå University of Technology, Luleå.
Department of Health Sciences, Luleå University of Technology, Luleå.
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2012 (English)In: Journal of Strength and Conditioning Research, ISSN 1064-8011, E-ISSN 1533-4287, Vol. 26, no 1, 246-250 p.Article in journal (Refereed) Published
Abstract [en]

Nordstrom, A, Hogstrom, G, Eriksson, A, Bonnerud, P, Tegner, Y, and Malm, C. Higher muscle mass but lower gynoid fat mass in athletes using anabolic androgenic steroids. J Strength Cond Res 26(1): 246-250, 2012-This study evaluated the relationship between anabolic androgenic steroid (AAS) use and body constitution. Dual-energy x-ray absorptiometry was used to measure bone mineral density (BMD, g.cm(-2)) of the total body, arms, and legs. Total gynoid and android fat mass (grams) and total lean mass (grams) were measured in 10 strength trained athletes (41.4 +/- 7.9 years) who had used AASs for 5-15 years (Doped) and 7 strength trained athletes (29.4 +/- 6.2 years) who had never used AASs (Clean). Seventeen sedentary men (30.3 +/- 2.1 years) served as Controls. Doped athletes had significantly more lean body mass (85.5 +/- 3.8 vs. 75.3 +/- 2.5 vs. 60.7 +/- 1.9, p < 0.001) and a greater index of fat-free/fat mass (5.8 vs. 2.6 vs. 2.5, p < 0.001) compared with Clean athletes and Controls. Doped athletes also had significantly less gynoid fat mass compared with that of Clean athletes (2.8 +/- 0.4 vs. 4.8 +/- 0.2 kg, p = 0.02). There were no differences in BMD between the athletes (p = 0.39-0.98), but both groups had significantly higher BMDs at all sites compared with that of Controls (p = 0.01 to <0.001). Thus, long-term AAS use seems to alter body constitution, favoring higher muscle mass and reduced gynoid fat mass without affecting BMD.

Place, publisher, year, edition, pages
2012. Vol. 26, no 1, 246-250 p.
Keyword [en]
male, body composition, physical activity, anabolic androgenic steroids
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:umu:diva-52028DOI: 10.1519/JSC.0b013e318218daf0ISI: 000298860300033OAI: oai:DiVA.org:umu-52028DiVA: diva2:495528
Available from: 2012-02-09 Created: 2012-02-08 Last updated: 2017-12-07Bibliographically approved

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Nordström, AnnaMalm, Christer

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