“…A total of 34 studies investigated the relationship between impairment and sports-related health problem occurrence, 5,6,9,10,13,19-21,29,31,36,39,40,42-44,50,52-55,57,60-62,66,72,74-76,78,80,85 and 18 studies investigated the relationship between the type of sports and sports-related health problem occurrence. 2,5,6,19,20,23-25,29,50,54,55,59,74,78,88,89,92 Due to the large variety in the respective type of impairment and type of sports in the included studies, it was impossible to define any single representative relation between these risk factors and health problem occurrence (Appendix 4, available online).…”