The impact of different types of physical activity on total and regional bone mineral density in young Brazilian athletes

Bone turnover is affected by exercise throughout the lifespan, especially during childhood and adolescence. The objective of this study was to investigate the impact of different sports on total and regional bone mineral density in male Brazilian adolescent athletes. Forty-six adolescents aged 10-18...

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Bibliographic Details
Published in:Journal of sports sciences 2011-02, Vol.29 (3), p.227-234
Main Authors: Silva, Carla C., Goldberg, Tamara B. L., Teixeira, Altamir S., Dalmas, José C.
Format: Article
Language:English
Subjects:
Absorptiometry, Photon
Adolescent
adolescents
Athletes
Biological and medical sciences
Bone Density
Bone mineral density
Brazil
Child
Exercise
Exercise - physiology
Femur - diagnostic imaging
Femur - physiology
Fundamental and applied biological sciences. Psychology
Humans
Lumbar Vertebrae - diagnostic imaging
Lumbar Vertebrae - physiology
Male
mechanical stress
Puberty
Sedentary Lifestyle
Soccer - physiology
Sports
Sports medicine
Swimming - physiology
Teenagers
Tennis - physiology
Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports
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Summary:Bone turnover is affected by exercise throughout the lifespan, especially during childhood and adolescence. The objective of this study was to investigate the impact of different sports on total and regional bone mineral density in male Brazilian adolescent athletes. Forty-six adolescents aged 10-18 years participated in the study: 12 swimmers, 10 tennis players, 10 soccer players, and 14 sedentary individuals. The athletes had engaged in physical activities for more than 10 h per week in the previous 6 months. Bone mineral density of the lumbar spine (L1-L4), left proximal femur region, and whole body was evaluated by dual-energy X-ray absorptiometry. Results showed higher mean values in the proximal femur region of tennis and soccer players (1.02 ± 0.18; 0.96 ± 0.16, respectively) than swimmers and controls (0.91 ± 0.14 and 0.87 ± 0.06, respectively) (P 
ISSN:0264-0414
1466-447X
DOI:10.1080/02640414.2010.529456