We conducted a study of the 2 year cumulative incidence of trunk abnormalities in a cohort of 3,071 11 year old children (1,621 boys, 1,450 girls). The following data were recorded: height, weight, signs of puberty and menarche. Trunk abnormality was assessed in the erect child (asymmetry of shoulders and waistline, imbalance of the trunk, scoliosis, lordosis, kyphosis, swayback and flexibility) and by the forward bending test (FBT) (rib hump or lumbar prominence, persisting scoliosis, kyphosis and deviant lateral aspect). A normal FBT both at baseline and at follow-up was found in 84% of the boys and in 79% of the girls. The 2 year cumulative incidence of an abnormal FBT was 10% in boys and 13% in girls.

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doi.org/10.1093/eurpub/5.3.220, hdl.handle.net/1765/62993
European Journal of Public Health
Department of Orthopaedics

Hazebroek-Kampschreur, A.A.J.M, Hofman, A, van Dijk, A, & van Linge, B. (1995). Two year cumulative incidence of trunk abnormalities in a schoolpopulation in Rotterdam, the Netherlands. European Journal of Public Health, 5(3), 220–222. doi:10.1093/eurpub/5.3.220