Table 3

Soccer injury mechanism, activity and time of injury among boys’ soccer players, National High School Sports-Related Injury Surveillance Study, USA, 2005/2006 through 2013/2014*

	Boys
	Practice		Competition		Overall
	N	Per cent	N	Per cent	N	Per cent
General mechanism
Player–player contact	137 807	22.0	517 513	60.2	655 320	44.1
No contact	222 798	35.5	124 161	14.4	346 959	23.3
Playing surface contact	93 943	15.0	133 308	15.5	227 251	15.3
Playing apparatus contact	64 868	10.3	58 766	6.8	123 634	8.3
Overuse/chronic	94 473	15.1	12 047	1.4	106 520	7.2
Other	13 782	2.2	13 586	1.6	27 368	1.8
Specific mechanism
Player-to-player contact (not slide tackle)	86 337	14.1	309 248	36.3	395 585	27.0
NA (ie, overuse, heat illness, conditioning, etc)	182 591	29.7	43 458	5.1	226 049	15.4
Contact with ball	92 427	15.1	74 742	8.8	167 169	11.4
Stepped on, fell on or kicked	40 815	6.6	107 683	12.6	148 498	10.1
Rotation around a planted foot/inversion	52 817	8.6	77 837	9.1	130 654	8.9
Slide tackle	17 850	2.9	64 161	7.5	82 011	5.6
Uneven playing surface	25 435	4.1	12 069	1.4	37 504	2.6
Contact with goal	2912	0.5	4250	0.5	7162	0.5
Other	112 833	18.4	159 008	18.7	271 841	18.5
Activity
General play	197 457	32.1	148 679	17.6	346 136	23.7
Chasing a loose ball	54 956	8.9	100 602	11.9	155 558	10.7
Dribbling	53 150	8.6	102 125	12.1	155 275	10.6
Defending	37 845	6.1	106 230	12.6	144 075	9.9
Heading ball	27 785	4.5	105 865	12.5	133 650	9.2
Goaltending	41 034	6.7	72 879	8.6	113 913	7.8
Passing (foot)	34 414	5.6	45 875	5.4	80 289	5.5
Receiving a pass	26 507	4.3	48 342	5.7	74 849	5.1
Shooting (foot)	34 789	5.7	37 711	4.5	72 500	5.0
Conditioning	66 940	10.9	1301	0.2	68 241	4.7
Receiving a slide tackle	6438	1.0	27 793	3.3	34 231	2.3
Blocking a shot	11 272	1.8	18 474	2.2	29 746	2.0
Attempting a slide tackle	9491	1.5	15 133	1.8	24 624	1.7
Other	13 578	2.2	12 543	1.5	26 121	1.8
Time of injury during practice
First ½ hour	78 053	13.1	–	–	78 053	13.1
Second ½ hour	156 336	26.2	–	–	156 336	26.2
1–2 hours into practice	298 656	50.1	–	–	298 656	50.1
>2 hours into practice	63 345	10.6	–	–	63 345	10.6
Time of injury during competition†
Precompetition/warm-ups	–	–	17 418	3.3	17 418	3.3
First half	–	–	175 016	33.5	175 016	33.5
Second half	–	–	327 062	62.7	327 062	62.7
Overtime	–	–	2562	0.5	2562	0.5

*Data represent weighted national estimates.
†Soccer time of injury during competition was added to High School RIO beginning in 2008/2009.
NA, not available; RIO, Reporting Information Online.