Long-Term Determinants of Muscle Strength Decline:: Prospective Evidence from the 22-Year Mini-Finland Follow-Up Survey

• Autores: Sari S. Stenholm, Kristina Tiainen, Taina Rantanen, Päivi Sainio, Markku M. Heliövaara, Olli Impivaara, Seppo Koskinen
• Localización: Journal of the American Geriatrics Society, ISSN 0002-8614, Vol. 60, Nº. 1, 2012, págs. 77-85
• Idioma: inglés
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• Resumen

  • Objectives: To examine long-term changes in handgrip strength and the factors predicting handgrip strength decline.

    Design: Longitudinal cohort study with 22 years of follow-up.

    Setting: Population-based Mini-Finland Health Examination Survey in Finland.

    Participants: Nine hundred sixty-three men and women aged 30 to 73 at baseline.

    Measurements: Handgrip strength was measured using a handheld dynamometer at baseline and follow-up. Information on potential risk factors, namely lifestyle and chronic conditions, and their changes throughout the follow-up were based on health interviews.

    Results: Based on linear mixed-effect models, midlife physically strenuous work, excess body weight, smoking, cardiovascular disease, hypertension, diabetes mellitus, and asthma predicted muscle strength decline over 22 years of follow-up (P < .05 for all). In addition, pronounced weight loss, becoming physically sedentary, persistent smoking, incident coronary heart disease, other cardiovascular disease, diabetes mellitus, chronic bronchitis, chronic back syndrome, long-lasting cardiovascular disease, hypertension, and asthma were associated with accelerated handgrip strength decline (P < .05 for all).

    Conclusion: Lifestyle and physical health earlier in life determine rate of muscle strength decline in old age. Efforts should be made to recognize persons at risk in a timely manner and target early interventions to middle-aged persons to slow down muscle strength decline and prevent future functional limitations and disability.