Comparison of bone mineral density, male age of different types of professional activities
Abstract
Aim: This study aimed at comparing the bone mineral density (BMD) among middle aged men performing different kinds of professional physical activities. Methods: This observational cross-sectional study, developed at the Bone Density service of São Lucas Hospital from Pontifícia Universidade Católica de Porto Alegre, analysed 59 volunteer men, aging from 50 to 65 years old that work as mailmen, taxi drivers and physicians. Those who presented osteoporosis were excluded, once this disease could be seen as a secondary factor result. It was used the Dual Energy X-ray Absorptiometry DXA (QDR 4500 A Hologic Inc. Boston USA) in order to analyse lumbar spine, femur and tibia. Results: The comparison of BMD average among professions presented significant difference for all femur sites analysed. The femur neck (p=0,002) showed that mailmen and taxi drivers BMD are different from physicians BMD. Trochanter (p=0,001) demonstrated that mailmen BMD is superior to the physicians BMD. Finally, the total femur (p<0,001) revealed that mailmen and taxi drivers BMD are significantly different from physicians. Physicians presented bigger prevalence of osteopenia than mailmen and taxi drivers. Conclusion: The professional physical activity and HPA during life improve the increase and preservation of BMD in adult and middle aged men. Concerning public health, physical activity, physical exercise and an active life nowadays confirm themselves as one of the greatest intervention strategies for the prevention of chronic degenerative diseases like osteoporosis.
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