“…Three studies [14,29,34] collected data from workers’ compensation claims or reports, and the remaining studies [1,5,16,17,18,19,20,27,28,30,31,32,33,35] collected their data from injury databases, injury records filed by individual fire departments or surveys given to fire service personnel. The musculoskeletal injury prevalence was reported in 16 included studies [5,14,16,17,18,19,20,27,28,29,30,31,32,33,35] (Figure 2). The reported overall prevalence of musculoskeletal injury for fire fighters included in the studies reviewed varied from 9% [33] to 74.% [30], with no clear patterns evident based on particular population types or other contextual factors, for example, injury reporting processes.…”