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Effects of estrogen replacement on metabolic factors that influence physical performance in female hypogonadism

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Abstract

There is a lack of knowledge regarding the effects of estrogens on physical performance. This is related, in part, to the challenge of isolating the effects of estrogens from those of progestins, because levels of both hormones fluctuate across the menstrual cycle, both decline during the menopausal transition, and the administration oh hormones to hypogonadal women typically involves a combination of estrogens and progestins. Some research findings suggest that fluctuations in estrogen levels acutely influence factors that may affect physical performance, such as substrate utilization or maximal aerobic power, but solid evidence is lacking. The simple observation that hypogonadism is not uncommon among elite athletes in some sports suggests that estrogen deficiency does not have a major negative impact on athletic performance. However, chronic hypogonadism may ultimately lead to impaired performance by menas that are not necessarily obvious. For example, chronic estrogen deficiency has potent, deleterious effects on the skeleton that can increase risk for stress fracture and may limit the ability to sustain a high level of physical training. Estrogen deficiency also appears to promote fat accumulation and may accelerate the loss of fat-free mass, and both of these changes in body composition could impair physical performance. There is evidence that hormone replacement attenuates the negative effects of hypogonadism on body composition and bone density, and that effects are mediated primarily by estrogens rather than progestins. Further research is necessary to broaden the understanding of the role of the estrogens in physical performance.

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  1. Division of Geriatric Medicine, Department of Medicine, University of Colorado Health Sciences Center, 4200 East Ninth Avenue, Campus Box B179, Denver, Colorado, 80262, USA

    W. M. Kohrt PhD, R. E. Van Pelt & W. S. Gozansky

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Kohrt, W.M., Van Pelt, R.E. & Gozansky, W.S. Effects of estrogen replacement on metabolic factors that influence physical performance in female hypogonadism. J Endocrinol Invest 26, 902–910 (2003). https://doi.org/10.1007/BF03345242

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