Dose–response relationship between sports activity and musculoskeletal pain in adolescents
Sawada, Susumu S
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Kamada, M., Abe, T., Kitayuguchi, J., Imamura, F., Lee, I., Kadowaki, M., Sawada, S. S., et al. (2016). Dose–response relationship between sports activity and musculoskeletal pain in adolescents. Pain, 157 1339-1345. https://doi.org/10.1097/j.pain.0000000000000529
Physical activity has multiple health benefits, but may also increase the risk of developing musculoskeletal pain. However, the relationship between physical activity and musculoskeletal pain has not been well-characterized. This study examined the dose–response relationship between sports activity and musculoskeletal pain among adolescents. Two school-based serial surveys were conducted 1 year apart in adolescents aged 12 to 18 years in Unnan, Japan. Self-administered questionnaires were completed by 2403 students. Associations between time spent in organized sports activity and musculoskeletal pain were analyzed cross-sectionally (n=2403) and longitudinally (n=374, students free of pain and in 7th or 10th grade at baseline) with repeated-measures Poisson regression and restricted cubic splines, with adjustment for potential confounders. The prevalence of overall pain, defined as having pain recently at least several times a week in at least one part of the body, was 27.4%. In the cross-sectional analysis, sports activity was significantly associated with pain prevalence. Each additional 1 hour/week of sports activity was associated with a 3% higher probability of having pain (prevalence ratio=1.03, 95% confidence interval (CI)=1.02-1.04). Similar trends were found across causes (traumatic and non-traumatic pain) and anatomic locations (upper limbs, lower back, and lower limbs). In longitudinal analysis, the risk ratio for developing pain at 1-year follow-up per 1 hour/week increase in baseline sports activity was 1.03 (95% CI=1.02-1.05). Spline models indicated a linear association (P<0.001) but not a non-linear association (P≥0.45). The more the adolescents played sports the more likely they were to have and develop pain.
exercise, low back pain, epidemiology, cumulative trauma disorders, injuries
This study was supported by a Grant-in-Aid from the Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan. MK is supported by a JSPS Postdoctoral Fellowship for Research Abroad. FI is supported by the Medical Research Council Epidemiology Unit (MC_UU_12015/1; MC_UU_12015/5).
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External DOI: https://doi.org/10.1097/j.pain.0000000000000529
This record's URL: https://www.repository.cam.ac.uk/handle/1810/253768
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