Nov 28

La actividad física, la inactividad y el riesgo de fracturas de cadera en los hombres / Physical activity and inactivity and risk of hip fractures in men

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Am J Public Health. 2014 Apr;104(4):e75-81. doi: 10.2105/AJPH.2013.301667. Epub 2014 Feb 13.

Physical activity and inactivity and risk of hip fractures in men.



We assessed associations between activity and hip fracture in men.


The Health Professionals Follow-up Study reported time spent walking, sitting, and in 10 other discretionary activities every 2 years in 35 996 men aged 50 years and older from 1986 to 2010. We calculated hazard ratios (HRs) for risk of hip fracture by amount of activity and sitting in Cox proportional hazards models, adjusted for age, body mass index, smoking, medication use, disease diagnoses, and diet.

Over 24 years, participants reported 490 low-trauma hip fractures. Energy expenditure from all activities was weakly associated with lower risk of fracture. More walking time, with little other exercise, lowered risk by 43% (HR = 0.57; 95% confidence interval [CI] = 0.39, 0.83 for ≥ 4 vs < 1 hours/week), and risk decreased linearly with more frequent walking (P < .001). Brisk (vs leisurely) pace lowered risk by 47%. Sitting lowered risk (HR = 0.62; 95% CI = 0.43, 0.89 for ≥ 50 vs < 20 hours/week), primarily among those who also walked for exercise. We observed no benefit of strenuous activity.

Walking is a relatively safe and easy activity for hip fracture prevention


Se evaluaron las asociaciones entre la actividad y la fractura de cadera en los hombres.
El Health Professionals Follow-up Study informó el tiempo pasó caminar, sentarse, y en otras 10 actividades discrecionales cada 2 años en 35 996 hombres de 50 años o más entre 1986 y 2010. Se calcularon los cocientes de riesgos instantáneos (CRI) para el riesgo de fractura de cadera importe de la actividad y que se sientan en Cox de riesgos proporcionales de modelos, ajustada por edad, índice de masa corporal, el tabaquismo, uso de medicamentos, diagnósticos de enfermedades, y la dieta.
Durante 24 años, los participantes reportaron 490 fracturas de cadera por traumatismo. El gasto de energía de todas las actividades fue débilmente asociada con un menor riesgo de fractura. Más tiempo para caminar, con poco otro ejercicio, disminución de riesgo en un 43% (HR = 0,57; 95% intervalo de confianza [IC] = 0,39, 0,83 para ≥ 4 vs <1 hora / semana), y el riesgo disminuyó linealmente con la marcha más frecuentes (P <0,001). Brisk ritmo (vs pausado) redujo el riesgo en un 47%. Sentado menor riesgo (HR = 0,62; IC del 95% = 0,43, 0,89 para ≥ 50 vs <20 horas / semana), sobre todo entre los que también se acercó para hacer ejercicio. Hemos observado ningún beneficio de la actividad vigorosa.


Caminar es una actividad relativamente segura y fácil para la prevención de fracturas de cadera 

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