Individual differences in physical activity are closely associated with changes in body weight in adult female rhesus monkeys (Macaca mulatta).

American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
Elinor L SullivanJudy L Cameron

Abstract

The increased prevalence of overweight adults has serious health consequences. Epidemiological studies suggest an association between low activity and being overweight; however, few studies have objectively measured activity during a period of weight gain, so it is unknown whether low activity is a cause or consequence of being overweight. To determine whether individual differences in adult weight gain are linked to an individual's activity level, we measured activity, via accelerometry, over a prolonged period (9 mo) in 18 adult female rhesus monkeys. Weight, food intake, metabolic rate, and activity were first monitored over a 3-mo period. During this period, there was mild but significant weight gain (5.5 +/- 0.88%; t =-6.3, df = 17, P < 0.0001), whereas caloric intake and activity remained stable. Metabolic rate increased, as expected, with weight gain. Activity level correlated with weight gain (r = -0.52, P = 0.04), and the most active monkeys gained less weight than the least active monkeys (t = -2.74, df = 8, P = 0.03). Moreover, there was an eightfold difference in activity between the most and least active monkeys, and initial activity of each monkey was highly correlated with their activity after 9 mo (r = 0.85, P <...Continue Reading

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Citations

Mar 5, 2008·Psychopharmacology·Regina C CasperLaurence Tecott
Sep 15, 2010·Journal of Neural Transmission·Amanda C MitchellWilliam Greenough
Jan 15, 2010·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·Elinor L Sullivan, Judy L Cameron
Jun 5, 2012·Psychoneuroendocrinology·Mark E WilsonMar Sanchez
Apr 15, 2014·Hormones and Behavior·Mark E WilsonZachary P Johnson
Jul 1, 2017·Folia primatologica; international journal of primatology·David CostantiniDanica J Stark
Apr 14, 2017·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·Elinor L SullivanPaul Kievit
Sep 15, 2007·American Journal of Primatology·Athan PapailiouJudy L Cameron
Feb 1, 2007·American Journal of Physiology. Endocrinology and Metabolism·Nathan A HunnellJudy L Cameron
Aug 2, 2013·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·Lori Asarian, Nori Geary
Apr 17, 2014·American Journal of Physiology. Endocrinology and Metabolism·W K McGeeJ L Cameron
Sep 12, 2017·American Journal of Primatology·John C M ShaGoro Hanya

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