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Contributions of exercise, body composition, and age to bone mineral density in premenopausal women.
Med Sci Sports Exerc. 1995 Nov; 27(11):1477-85.MS

Abstract

The purpose of this cross-sectional study were to determine whether exercisers have greater bone mineral density (BMD) than nonexercisers, whether aerobic dancers have greater BMD than walkers, and to determine the contributions of energy expenditure, body composition, and dietary factors to spine and femur BMD. Measurements were obtained on 93 eumenorrheic women (walkers N = 28; aerobic dancers, N = 34; nonexercisers, N = 31) ages 25-41 yr; lumbar spine and proximal femur BMD, body composition, physical activity, and nutrient intakes. Mean height, weight, and body mass index and median age and calcium intakes were similar for the three groups. Mean (+/- SD) values of the spine, total femur, and femoral neck BMD, respectively, were: walkers (1.092 (+/- 0.098), 0.947 g.cm-2), dancers (1.070 (+/- 0.124), 0.990 (+/- 0.104), 0.908 (+/- 0.106) g.cm-2), and nonexercisers (1.020 (+/- 0.112), 0.887 (+/- 0.073), 0.792 (+/- 0.089) g.cm-2) multiple regression analyses indicated that exercise contributed to spine (P = 0.018), total femur (P =0.012), and femoral neck (P < 0.0001) BMD, whereas type of exercise (aerobic dance vs walking) did not (P > 0.05). Total femoral BMD was influenced by exercise (P = 0.012) and energy expenditure (P = 0.023), while vertebral BMD was influenced by age (P = 0.0067), body weight (P = 0.017), and exercise (P = 0.018). These findings suggest that walking and aerobic dance exercise may provide physically active premenopausal women with greater lumbar and femoral BMD than sedentary females.

Authors+Show Affiliations

Division of Nutritional Sciences, University of Illinois at Urban Physical Fitness Research Laboratory, USA.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, P.H.S.

Language

eng

PubMed ID

8587483

Citation

Alekel, L, et al. "Contributions of Exercise, Body Composition, and Age to Bone Mineral Density in Premenopausal Women." Medicine and Science in Sports and Exercise, vol. 27, no. 11, 1995, pp. 1477-85.
Alekel L, Clasey JL, Fehling PC, et al. Contributions of exercise, body composition, and age to bone mineral density in premenopausal women. Med Sci Sports Exerc. 1995;27(11):1477-85.
Alekel, L., Clasey, J. L., Fehling, P. C., Weigel, R. M., Boileau, R. A., Erdman, J. W., & Stillman, R. (1995). Contributions of exercise, body composition, and age to bone mineral density in premenopausal women. Medicine and Science in Sports and Exercise, 27(11), 1477-85.
Alekel L, et al. Contributions of Exercise, Body Composition, and Age to Bone Mineral Density in Premenopausal Women. Med Sci Sports Exerc. 1995;27(11):1477-85. PubMed PMID: 8587483.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Contributions of exercise, body composition, and age to bone mineral density in premenopausal women. AU - Alekel,L, AU - Clasey,J L, AU - Fehling,P C, AU - Weigel,R M, AU - Boileau,R A, AU - Erdman,J W, AU - Stillman,R, PY - 1995/11/1/pubmed PY - 1995/11/1/medline PY - 1995/11/1/entrez SP - 1477 EP - 85 JF - Medicine and science in sports and exercise JO - Med Sci Sports Exerc VL - 27 IS - 11 N2 - The purpose of this cross-sectional study were to determine whether exercisers have greater bone mineral density (BMD) than nonexercisers, whether aerobic dancers have greater BMD than walkers, and to determine the contributions of energy expenditure, body composition, and dietary factors to spine and femur BMD. Measurements were obtained on 93 eumenorrheic women (walkers N = 28; aerobic dancers, N = 34; nonexercisers, N = 31) ages 25-41 yr; lumbar spine and proximal femur BMD, body composition, physical activity, and nutrient intakes. Mean height, weight, and body mass index and median age and calcium intakes were similar for the three groups. Mean (+/- SD) values of the spine, total femur, and femoral neck BMD, respectively, were: walkers (1.092 (+/- 0.098), 0.947 g.cm-2), dancers (1.070 (+/- 0.124), 0.990 (+/- 0.104), 0.908 (+/- 0.106) g.cm-2), and nonexercisers (1.020 (+/- 0.112), 0.887 (+/- 0.073), 0.792 (+/- 0.089) g.cm-2) multiple regression analyses indicated that exercise contributed to spine (P = 0.018), total femur (P =0.012), and femoral neck (P < 0.0001) BMD, whereas type of exercise (aerobic dance vs walking) did not (P > 0.05). Total femoral BMD was influenced by exercise (P = 0.012) and energy expenditure (P = 0.023), while vertebral BMD was influenced by age (P = 0.0067), body weight (P = 0.017), and exercise (P = 0.018). These findings suggest that walking and aerobic dance exercise may provide physically active premenopausal women with greater lumbar and femoral BMD than sedentary females. SN - 0195-9131 UR - https://www.unboundmedicine.com/medline/citation/8587483/Contributions_of_exercise_body_composition_and_age_to_bone_mineral_density_in_premenopausal_women_ L2 - https://Insights.ovid.com/pubmed?pmid=8587483 DB - PRIME DP - Unbound Medicine ER -