Increased physical activity has a greater effect than reduced energy intake on lifestyle modification-induced increases in testosterone

Journal of Clinical Biochemistry and Nutrition
Hiroshi KumagaiSeiji Maeda

Abstract

Obesity has reached epidemic proportions worldwide. Obesity results in reduced serum testosterone levels, which causes many disorders in men. Lifestyle modifications (increased physical activity and calorie restriction) can increase serum testosterone levels. However, it is unknown whether increased physical activity or calorie restriction during lifestyle modifications has a greater effects on serum testosterone levels. Forty-one overweight and obese men completed a 12-week lifestyle modification program (aerobic exercise training and calorie restriction). We measured serum testosterone levels, the number of steps, and the total energy intake. We divided participants into two groups based on the median change in the number of steps (high or low physical activities) or that in calorie restriction (high or low calorie restrictions). After the program, serum testosterone levels were significantly increased. Serum testosterone levels in the high physical activity group were significantly higher than those in the low activity group. This effect was not observed between the groups based on calorie restriction levels. We found a significant positive correlation between the changes in serum testosterone levels and the number of steps....Continue Reading

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Citations

Apr 30, 2017·The Journal of Clinical Endocrinology and Metabolism·Ferdinand RoelfsemaJohannes D Veldhuis
Mar 6, 2018·Expert Review of Clinical Pharmacology·Giulia RastrelliGiovanni Corona
Jul 11, 2018·Applied Physiology, Nutrition, and Metabolism = Physiologie Appliquée, Nutrition Et Métabolisme·Asako Zempo-MiyakiSeiji Maeda
Jan 16, 2019·American Journal of Physiology. Endocrinology and Metabolism·Annamaria MorelliMario Maggi
Jun 13, 2017·Journal of Clinical Biochemistry and Nutrition·Yorika TsukiyamaKeiki Ogino
May 10, 2019·American Journal of Men's Health·Hiroshi KumagaiSeiji Maeda
Sep 10, 2019·The World Journal of Men's Health·Giovanni CoronaMario Maggi
Feb 13, 2020·The Aging Male : the Official Journal of the International Society for the Study of the Aging Male·Hiroshi KumagaiSeiji Maeda
Nov 13, 2018·Reproductive Biology and Endocrinology : RB&E·Andrea SansoneLuigi Di Luigi
Oct 21, 2020·Expert Review of Endocrinology & Metabolism·Michał WrzosekDariusz Włodarek
Mar 24, 2020·Sexual Medicine·Omer Faruk KirlangicSerap Gur
Jul 4, 2021·Cancer Causes & Control : CCC·Eleanor L WattsRuth C Travis

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