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  1. Long-term recreational gymnastics, estrogen use, and selected risk factors for osteoporotic fractures.

    Article - En anglais

    The purpose of this cross-sectional study was to examine whether long-term participation in recreational gymnastics or folk dancing or estrogen replacement therapy (ERT) is associated with mechanically more competent bones and improved muscular strength and body balance.

    One hundred and seventeen healthy, female postmenopausal recreational gymnasts (mean age 62.1 [SD 4.7] years) and 116 sedentary controls (mean age 61.5 [4.6] years) were enrolled in the study.

    Bone mineral content (BMC) of the distal radius, femoral neck, and trochanter were measured with dual-energy X-ray absorptiometry.

    BMC of the midshaft and distal tibia and trabecular density (TrD) of the distal tibia were measured with peripheral computed quantitative tomography.

    Maximal isometric strength, muscular power, cardiorespiratory fitness, and body balance of the participants were also assessed.

    The cardiorespiratory fitness, muscular strength, and dynamic balance of the recreational gymnasts and folk dancers combined were significantly better than those of the controls, the average group difference ranging from 7.5% (95% confidence interval 5.0-9.9%) in dynamic balance to 12.8% (6.6-19.4%) in dynamic muscular power.

    ERT was not associated with the fitness indicators, muscular power, or balance, but was significantly associated with the BMC at all the measured bone sites, the mean group difference between estrogen users and nonusers ranging from 6.5% (3.7-9.3%) for the tibial shaft to 11.8% (6.4-17. (...)

    Mots-clés Pascal : Gymnastique, Oestrogène, Facteur risque, Traitement substitutif, Traitement, Chimiothérapie, Postménopause, Loisir, Ostéoporose, Finlande, Europe, Sport, Hormone stéroïde sexuelle, Hormone ovarienne, Système ostéoarticulaire pathologie, Ostéopathie, Homme, Femelle, Densité, Os, Elément minéral

    Mots-clés Pascal anglais : Gymnastics, Estrogen, Risk factor, Replacement therapy, Treatment, Chemotherapy, Postmenopause, Leisure, Osteoporosis, Finland, Europe, Sport, Sex steroid hormone, Ovarian hormone, Diseases of the osteoarticular system, Bone disease, Human, Female, Density, Bone, Inorganic element

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 99-0463289

    Code Inist : 002B02O. Création : 22/03/2000.