Average weekly prevalence of all overuse problems and of substantial problems, average weekly severity score and average duration of cases
| Knee (161 cases) | Lower back (135 cases) | Shoulder (123 cases) | |
|---|---|---|---|
| Average weekly prevalence (all problems)* | 24 (21–27) | 16 (13–19) | 12 (10–15) |
| Average weekly prevalence (substantial problems)* | 8 (7–8) | 3 (2–4) | 2 (2–3) |
| Average weekly severity score | 31 (30–32) | 24 (22–25) | 24 (22–25) |
| Average duration of cases (weeks)† | 6 (5–6) | 4 (4–5) | 4 (3–5) |
*Values are shown as percentages with the 95% CI in parentheses.
†95% CI in parentheses.
Substantial problem: overuse problem causing moderate/severe reductions in training volume or sports performance or complete inability to participate in training or competition.