Table 3

Mean weekly incidence of overuse injuries of the extremities in relation to number of exposures per week during 5-week periods of single sport participation

 Lower extremityUpper extremity
Number of exposures to the sport in 5-week periodsNumber of injuries
N=292
Mean weekly incidence (95% CI)Number of injuries
N=17
Mean weekly incidence (95% CI)
Soccer (times)
 1–580.6 (0.2 to 1)0
 6–10570.9 (0 to 1.1)10 (0 to 0)
 11–15581.2 (0.9 to 1.5)30.1 (0 to 0.1)
 16–20101.5 (0.6 to 2.4)0
 ≥2000
Handball (times)
 1–571.1 (0.3 to 1.9)10.1 (0 to 0.4)
 6–10241 (0.6 to 1.4)20.1 (0 to 0.2)
 11–15321.2 (0.8 to 1.6)10 (0 to 0.1)
 16–20171.7 (0.9 to 2.5)20.2 (0 to 0.4)
 ≥2010.8 (0 to 2.5)0
Swimming (times)
 1–5100.4 (0.1 to 0.6)10 (0 to 0.1)
 6–1020.2 (0 to 0.6)0
 11–1510.9 (0.7 to 2.8)0
 16–2011.3 (0. to 3.7)0
 ≥2000
Tumbling gymnastics (times)
 1–570.5 (0.1 to 0.9)0
 6–1050.4 (0.1 to 0.9)0
 11–1551.1 (0.1 to 2.2)20.4 (0 to 1.1)
 16–2032.6 (0 to 5.6)0
 ≥2000
Horse-riding (times)
 1–560.4 (0.1 to 0.8)20.1 (0 to 0.3)
 6–1081.3 (0.4 to 2.2)0
 11–1540.7 (0 to 1.3)0
 16–2020.5 (0 to 1.2)0
 ≥2030.4 (0 to 0.9)10.1 (0 to 0.4)
Rhythmic gymnastics (times)
 1–520.3 (0 to 0.7)10.1 (0 to 0.4)
 6–1010.2 (0 to 0.7)0
 11–1500
 16–2000
 ≥2000
Dance (times)
 1–540.6 (0 to 1.2)0
 6–1020.5 (0 to 1.2)0
 11–1500
 16–2000
 ≥2000
Volleyball (times)
 1–500
 6–1030.8 (0 to 1.6)0
 ≥1100
Basketball (times)
 1–511.0 (0 to 3.2)0
 6–1010.3 (0 to 0.9)0
 11–1531.1 (0 to 2.4)0
 16–2013.3 (0 to 9.9)0
 ≥2000
No sport at all180*0.5 (0.4 to 0.6)9†0.03 (0.02 to 0.06)
All population750*0.7 (0.1 to 1.2)40†0.04 (0.03 to 0.05)
  • *Not included in the total number of injuries (N=292) indicated at the top of the table.

  • †Not included in the total number of injuries (N=17) indicated at the top of the table.