Methods Academy male football players (n=49) participated in this prospective 5-year follow-up study (baseline 12–19 years old). Anteroposterior and frog-leg lateral views were obtained at baseline ...

Correspondence to: Dr M Wada, Division of Rehabilitation Medicine, Fukui Medical University, Shimoaizuki 23, Matsuoka-cho, 910–1193, Fukui, Japan; mwada{at}do.mitene.ac.jp Objective: To test the ...