Table 1

Athlete distribution, athletic exposure and injury characteristics overall and by event group

Non-specialisedEnduranceSprintsJumpsThrowsOverall
Athlete seasons18566515534 391
Mean age (±SD)13.5 (±1.0)15.3 (±1.6)16.7 (±1.0)16.5 (±1.1)16.4 (±1.3) 14.9 (±1.8)
Athletic exposure
 Total AE30 32815 42910 31887877224 72086
 Training/competition exposures29301/102714870/5599886/4328385/4026884/340 69326/2760
 Mean AE per athlete season (±SD)164 (±43)234 (±74)202 (±70)160 (±57)213 (±71) 184 (±64)
Injury occurrence
 N injuries (training/competition)130 (117/13)57 (54/3)35 (23/12)43 (33/10)25 (25/0) 290 (252/38)
 N acute/N gradual onset64/669/4822/1325/1814/11 134/156
 Mean season prevalence % (±SD)60.2 (±16.5)70.5 (±16.1)53.1 (±9.4)57.7 (±6.8)50.0 (±10.2) 58.1 (±11.5)
 % 1st/2nd/3rd/4th trimester49/27/21/346/19/30/531/40/20/946/26/23/548/32/16/4 46/27/22/5
Injury incidence
 Injuries per 1000 AE (95% CI)4.3 (3.5 to 5.0)3.7 (2.8 to 4.8)3.4 (2.4 to 4.7)4.9 (3.6 to 6.5)3.5 (2.3 to 5.0) 4.0 (3.6 to 4.5)
 Training/competition3.9/12.73.6/5.42.4/27.84.1/24.93.6/0.0 3.6/13.8
Injury burden
 Days lost per 1000 AE (95% CI)70.8 (67 to 73)84.5 (80 to 89)81.5 (77 to 88)101.3 (95 to 109)72.0 (66 to 78) 79.1 (77 to 81)
 Acute/gradual onset32.2/38.59.6/74.965.9/15.634.6/66.743.9/28.1 33.7/45.4
Body region
 Upper extremities (%)15 (11.5)1 (1.8)1 (2.8)2 (4.6)5 (20.0) 24 (8.3)
 Head and trunk (%)24 (18.5)10 (17.5)5 (14.3)10 (23.3)7 (28.0) 56 (19.3)
 Lower extremities (%)91 (70.0)46 (80.7)29 (82.9)31 (72.1)13 (52.0) 210 (72.4)
  • Bold: overall values.

  • AE, athletic exposures.