National High School Sports-Related Injury Surveillance Study
2011/2012. http://www.nationwidechildrens.org/cirp-rio
-- Players NOT wearing protective soccer headgear
are 2.65 times more likely to suffer a concussion
than those who did wear headgear
Al-Kashmiti, Delaney, et al “The Effect of Protective Headgear
on Head Injuries and Concussions in Adolescent Football
(Soccer) Players,” British Journal of Sports Medicine (2007).
http://bjsm.bmj.com/content/early/2007/07/05/bjsm.2007.037689
.abstract - Dr. J. Scott Delaney, jscott.delaney@mcgill.ca
-- Concussions in soccer are not commonly caused
by heading the ball
Boden, Kirkendall et al, “Concussion Incidence in Elite College
Soccer Players,” American Journal of Sports Medicine (1998),
26:238-41. http://ajs.sagepub.com/content/26/2/238.short
-- “Head to head impacts posed high concussion
risk”
Withnall, Shewchenko et al., “Effectiveness of Headgear in
Soccer,” British Journal of Sports Medicine (2005),
39(supp1):i40-i48.
http://bjsm.bmj.com/content/39/suppl_1/i40.full
-- In a peer-reviewed study, 62.7% of college-level
soccer players had concussion symptoms in a
single year
Delaney, Lacroix et al., “Concussions Among University Football
and Soccer Players,” Clinical Journal of Sports Medicine (2002),
12(6):331-38. http://www.ncbi.nlm.nih.gov/pubmed/12466687
-- The number of sports concussions is believed to
be under-reported by 90%
NIH Consensus Development Panel, “Rehabilitation of Persons
with Traumatic Brain Injury,” Journal of the American Medical
Association (1999), 282:974-83.
http://jama.jamanetwork.com/article.aspx?articleid=191465
mediarelations@jamanetwork.org
-- The concussion rate in soccer is similar to that in
American football
Baroff, “Is Heading a Soccer Ball Injurious to Brain Function?”
Journal of Head Trauma Rehabilitation (1998), 13(2):45-52.
http://journals.lww.com/headtraumarehab/Abstract/1998/04000/I
s_Heading_a_Soccer_Ball_Injurious_to_Brain.7.aspx
-- After the first concussion, the risk of a second
one increases by a factor of four
Gerberich, Priest et al., “Concussion Incidences and Severity in
Secondary School Varsity Football Players,” American Journal
of Public Health (1973), 73:1370-75.
http://ajph.aphapublications.org/doi/abs/10.2105/AJPH.73.12.13
70
-- Subsequent concussions are usually more
serious than the first one, even if the impacts are
similar
Collins, Lovell et al., “Cumulative Effects of Concussion in High
School Athletes,” Neurosurgery (2002), 51(5):1175-81.
http://journals.lww.com/neurosurgery/Abstract/2002/11000/Cum
ulative_Effects_of_Concussion_in_High_School.11.aspx
-- Second Impact Syndrome (rapid swelling of the
brain, potentially catastrophic outcome) may
occur if the head is impacted before the brain has
recovered from a concussion
Cantu, “Recurrent Athletic Head Injury: Risks and When to
Retire,” Clinics in Sports Medicine (2003), 22(3):593-603.
http://www.sportsmed.theclinics.com/article/S0278-
5919(02)00095-9/fulltext
-- Younger players require more time to recover
from a concussion than older players
Field, Collins et al., “Does Age Play a Role in Recovery from
Sports-Related Concussion? A Comparison of High School and
Collegiate Athletes,” Journal of Pediatrics (2003), 142(5):546-
53. http://www.jpeds.com/article/S0022-3476(03)00116-
1/abstract - journal.pediatrics@cchmc.org
-- Girls are more likely to be concussed than boys
Fuller, Junge et al., “A Six Year Prospective Study of the
Incidence and Causes of Head and Neck Injuries in International
Football,” British Journal of Sports Medicine (2005),
39(supp1):i3-i8.
http://bjsm.bmj.com/content/39/suppl_1/i3.full.pdf