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Int J Biol Sci 2008; 4(3):126-132. doi:10.7150/ijbs.4.126

Review

Sex Hormones' Regulation of Rodent Physical Activity: A Review

J. Timothy Lightfoot

Dept. of Kinesiology, University of North Carolina Charlotte, Charlotte, NC 28223, USA

Abstract

There is a large body of emerging literature suggesting that physical activity is regulated to a varying extent by biological factors. Available animal data strongly suggests that there is a differential regulation of physical activity by sex and that the majority of this differential regulation is mediated by estrogen/testosterone pathways with females in many animal species having higher daily activity levels than males. The purpose of this manuscript is to review the mechanisms by which estrogen, progesterone, and testosterone affect the regulation of physical daily activity. This review lays the foundation for future investigations in humans as well as discussions about relative disease risk mediated by differential biological regulation of physical activity by sex.

Keywords: estrogen, testosterone, progesterone, mammals, mice, physiology

This is an open access article distributed under the terms of the Creative Commons Attribution (CC BY-NC) License. See http://ivyspring.com/terms for full terms and conditions.
How to cite this article:
Lightfoot JT. Sex Hormones' Regulation of Rodent Physical Activity: A Review. Int J Biol Sci 2008; 4(3):126-132. doi:10.7150/ijbs.4.126. Available from http://www.ijbs.com/v04p0126.htm