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  1. Determinants of isokinetic and psychophysical lifting strength and static back muscle endurance : A study of male monozygotic twins.

    Article - En anglais

    Study Design

    Retrospective cohort.

    Objectives

    To determine the relative contributions of anthropometric factors, physical activity, back and neck pain. overall health, and familial aggregation (the combined effects of genetics and childhood environment) to different measurements of adult back muscle function. of Background Data.

    Many methods of muscle testing are employed in the attempt to predict, prevent, treat, and rehabilitate low back pain.

    Poor correlations between the test results suggest that they are measuring different attributes and have different determinants.

    Methods

    Muscle function tests, magnetic resonance images. and a detailed interview were obtained in 65 pairs of monozygotic male twins.

    Results

    Familial aggregation was the strongest determinant of isokinetic and psychophysical lifting and static back endurance. explaining 56%, 32%, and 15% of the variances, respectively, beyond that which age alone predicted.

    Back pain and physical loading in work and leisure explained 2%, 0%. and 23% of the variances.

    Conclusions

    The combined effects of genetics and childhood environment play a dominant role in determining adult back muscle function.

    Physical loading at work and leisure. back and neck pain history, overall health, and anthropometric factors had a comparatively minor role. suggesting that the potential of interventions to increase and sustain back muscle function in healthy adults. measured through these tests. may be limited. (...)

    Mots-clés Pascal : Musculature, Rachis lombaire, Morphologie, Epidémiologie, Jumeau, Déterminisme génétique, Résistance mécanique, Environnement, Etude impact, Lombalgie, Pathogénie, Homme, Douleur, Système ostéoarticulaire, Biomécanique, Système ostéoarticulaire pathologie, Rachis pathologie, Rachialgie

    Mots-clés Pascal anglais : Musculature, Lumbar spine, Morphology, Epidemiology, Twin, Genetic determinism, Strength, Environment, Impact study, Low back pain, Pathogenesis, Human, Pain, Osteoarticular system, Biomechanics, Diseases of the osteoarticular system, Spine disease, Rachialgia

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

    Cote : 98-0069452

    Code Inist : 002B15F. Création : 14/05/1998.