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Exercise program affects body composition but not weight in postmenopausal women.
Menopause. 2009 Jul-Aug; 16(4):777-84.M

Abstract

The aim of this study was to investigate the effect of a 12-month moderate-to-vigorous exercise program combining aerobic and muscle strength training on body composition among sedentary, postmenopausal women.

METHODS

A randomized controlled trial was conducted. A total of 189 sedentary postmenopausal women (age 50-69 y, body mass index 22-40 kg/m2) were randomly assigned to an exercise (n = 96) or a control group (n = 93). Study parameters measured at baseline, 4 months, and 12 months were as follows: body weight and body height (body mass index), waist and hip circumference (body fat distribution), and dual-energy x-ray absorptiometry (total body fat and lean mass). Differences in changes in study parameters between exercise and control group were examined with generalized estimating equations analysis.

RESULTS

The exercise program did not result in significant effects on weight, body mass index, and hip circumference. The exercise group experienced a statistically significant greater loss in total body fat, both absolute (-0.33 kg) (borderline) as in a percentage (-0.43%) compared with the control group. In addition, lean mass increased significantly (+0.31 kg), whereas waist circumference (-0.57 cm) decreased significantly compared with the control group.

CONCLUSIONS

We conclude that a 12-month exercise program combining aerobic and muscle strength training did not affect weight but positively influenced body composition of postmenopausal women. Affecting body fat distribution and waist circumference may have important health implications because it is an independent risk factor in obese but also in nonobese people. Therefore, this study gives further credence to efforts of public health and general practitioners aiming to increase physical activity levels of postmenopausal women.

Authors+Show Affiliations

Comprehensive Cancer Center Middle Netherlands, Utrecht, The Netherlands. mvelthuis@ikmn.nlNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

19188848

Citation

Velthuis, Miranda J., et al. "Exercise Program Affects Body Composition but Not Weight in Postmenopausal Women." Menopause (New York, N.Y.), vol. 16, no. 4, 2009, pp. 777-84.
Velthuis MJ, Schuit AJ, Peeters PH, et al. Exercise program affects body composition but not weight in postmenopausal women. Menopause. 2009;16(4):777-84.
Velthuis, M. J., Schuit, A. J., Peeters, P. H., & Monninkhof, E. M. (2009). Exercise program affects body composition but not weight in postmenopausal women. Menopause (New York, N.Y.), 16(4), 777-84. https://doi.org/10.1097/gme.0b013e318197122a
Velthuis MJ, et al. Exercise Program Affects Body Composition but Not Weight in Postmenopausal Women. Menopause. 2009 Jul-Aug;16(4):777-84. PubMed PMID: 19188848.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Exercise program affects body composition but not weight in postmenopausal women. AU - Velthuis,Miranda J, AU - Schuit,Albertine J, AU - Peeters,Petra H M, AU - Monninkhof,Evelyn M, PY - 2009/2/4/entrez PY - 2009/2/4/pubmed PY - 2009/10/9/medline SP - 777 EP - 84 JF - Menopause (New York, N.Y.) JO - Menopause VL - 16 IS - 4 N2 - UNLABELLED: The aim of this study was to investigate the effect of a 12-month moderate-to-vigorous exercise program combining aerobic and muscle strength training on body composition among sedentary, postmenopausal women. METHODS: A randomized controlled trial was conducted. A total of 189 sedentary postmenopausal women (age 50-69 y, body mass index 22-40 kg/m2) were randomly assigned to an exercise (n = 96) or a control group (n = 93). Study parameters measured at baseline, 4 months, and 12 months were as follows: body weight and body height (body mass index), waist and hip circumference (body fat distribution), and dual-energy x-ray absorptiometry (total body fat and lean mass). Differences in changes in study parameters between exercise and control group were examined with generalized estimating equations analysis. RESULTS: The exercise program did not result in significant effects on weight, body mass index, and hip circumference. The exercise group experienced a statistically significant greater loss in total body fat, both absolute (-0.33 kg) (borderline) as in a percentage (-0.43%) compared with the control group. In addition, lean mass increased significantly (+0.31 kg), whereas waist circumference (-0.57 cm) decreased significantly compared with the control group. CONCLUSIONS: We conclude that a 12-month exercise program combining aerobic and muscle strength training did not affect weight but positively influenced body composition of postmenopausal women. Affecting body fat distribution and waist circumference may have important health implications because it is an independent risk factor in obese but also in nonobese people. Therefore, this study gives further credence to efforts of public health and general practitioners aiming to increase physical activity levels of postmenopausal women. SN - 1530-0374 UR - https://www.unboundmedicine.com/medline/citation/19188848/Exercise_program_affects_body_composition_but_not_weight_in_postmenopausal_women_ L2 - https://doi.org/10.1097/gme.0b013e318197122a DB - PRIME DP - Unbound Medicine ER -