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2018-19 Concussion Data Reinforces Trends
September 26, 2019
By Geoff Kimmerly
Second Half editor
Data on student-athlete concussions collected by the Michigan High School Athletic Association from member high schools during the 2018-19 school year further reinforced findings from the first three years of reporting, and will contribute significantly as a number of MHSAA-associated groups work during the coming year to reduce the incidence of those injuries.
The 2018-19 concussion report found student-athletes at MHSAA member high schools encountered a total of 3,686 head injuries during the past school year – 3.0 percent more than in 2017-18. But that slight increase barely affected two key ratios. The number of injuries per member school was 4.9, up just a tenth of a percent from 2017-18, and for the second straight year only 1.3 percent of participants in MHSAA sports experienced a head injury, still down from 1.4 in 2016-17 and 1.6 percent the first year of the study. Total participation in MHSAA sports for 2018-19 was 281,992 – with students counted once for each sport they played.
The MHSAA has continued to invite Michigan’s universities, health care systems and the National Federation of State High School Associations (NFHS) to take part in analyzing the data and resulting questions that have arisen during the past three years. The 2018-19 results will be examined by the MHSAA’s newly-formed Sports Medicine Advisory Committee and also undergo analysis by representatives of Michigan State University’s Institute for the Study of Youth Sports. Furthermore, the MHSAA is directing its sport committees to study the data as they consider adjustments that could be made to rules for practice and competition.
“The 2018-19 concussion survey further reinforced the findings and trends we have seen emerge; not only in specific sports, but across all of our activities – and this latest set of results also raises new questions,” MHSAA Executive Director Mark Uyl said. “We must continue to look at how changes to playing rules and improvements in equipment may be beneficial moving forward, and also how we can further educate administrators, coaches, athletes and parents to identify and provide treatment for these injuries as soon as possible. We also are excited for the opportunity to have more eyes on these results as we continue to explore more ways to make our games safer.”
As first mandated in 2015-16, member schools are required to report head injuries to the MHSAA identifying the sport that each student-athlete was participating in and whether the injury was sustained during practice or competition. Schools also are required to designate at which level – varsity, junior varsity or freshman – the injury occurred.
The full report of all head injuries experienced during 2018-19 by student-athletes at MHSAA member high schools – including percentages by sport (per 1,000 participants), gender and team level, as well as data tracking when athletes returned to play – is available on the Health & Safety page of the MHSAA Website.
Keeping with the first three years of this survey, the MHSAA continued to receive data from more than 99 percent of its member high schools after the fall, winter and spring seasons. Member junior high and middle schools also were allowed, although not mandated, to report their head injuries; and those findings are not part of the published report.
Boys in 2018-19 experienced 2,404 – or 65 percent – of concussion injuries, just a percent less than during 2017-18, and not surprisingly as boys have a much higher participation in contact sports. More than half of head injuries – 59 percent – were experienced by varsity athletes, a slight increase of three percent from the previous year. A total of 2,441 head injuries – or 66 percent – came in competition as opposed to practice. Just more than half took place during either the middle of practice or middle of competition as opposed to the start or end, and 51 percent of injuries were a result of person-to-person contact.
The MHSAA also asked schools to report the number of days between the head injury and the athlete’s return to activity – and the two largest groups returned to activity after either 6 to 10 days of rest (24 percent) or 11 to 15 days (23 percent). All of these findings were within 1-3 percent of those discovered from the 2017-18 data.
Contact sports again revealed the most head injuries. Ranking first was football, 11 and 8-player combined, with 44 head injuries per 1,000 participants – an increase of three per 1,000 from 2017-18 but the same ratio as 2016-17 and still down from 49 head injuries per 1,000 football participants shown by the first study in 2015-16. Ice hockey again revealed the second-most injuries per 1,000, with 35 (also up three from a year ago but still down from 36 injuries per 1,000 from 2016-17 and 38 per 1,000 in 2015-16), and girls soccer was third with 25 head injuries per 1,000 participants for the second year in a row. Wrestling followed with 22 head injuries per 1,000 participants.
Continuing a noticeable trend of the last few years, the next three sports to show the highest incidences of head injuries were girls sports – girls lacrosse, competitive cheer and basketball also revealed 20 per 1,000 participants, although basketball was down two injuries per 1,000 participants or nearly 10 percent from the previous year. Boys lacrosse (16), boys soccer (14), girls volleyball (11), softball (11) and gymnastics (10) also showed double-digit head injuries per 1,000 participants.
Females again reported significantly more concussions than males playing the same or similar sports – soccer, basketball and baseball/softball. Female soccer players reported nearly double the concussions per 1,000 participants as male soccer players (25 to 14), while female basketball players reported nearly triple the number of concussions per 1,000 participants (20 to 7). Softball players also reported nearly triple the concussions per 1,000 participants of baseball players (11 to 4).
Schools report possible concussions online via the MHSAA Website. Reports are then examined by members of the MHSAA staff, who follow up with school administrators as those student-athletes continue to receive care and eventually return to play. Student privacy is protected.
The reporting of concussions is part of a three-pronged advance by the MHSAA in concussion care begun during the 2015-16 school year. The MHSAA completed in spring 2017 the largest-ever state high school association sideline concussion testing pilot program, with a sample of schools from across the state over two years using one of two screening tests designed to detect concussions. The MHSAA also was the first state association to provide all participants at every member high school and junior high/middle school with insurance intended to pay accident medical expense benefits – covering deductibles and co-pays left unpaid by other policies – resulting from head injuries sustained during school practices or competitions and at no cost to either schools or families.
Previously, the MHSAA also was among the first state associations to adopt a return-to-play protocol that keeps an athlete out of activity until at least the next day after a suspected concussion, and allows that athlete to return to play only after he or she has been cleared unconditionally for activity by a doctor (M.D. or D.O.), physician’s assistant or nurse practitioner.
In addition, the MHSAA’s Coaches Advancement Program – which includes courses that must be completed by all varsity head coaches hired for the first time at a member school – provides substantial instruction on concussion care. Separately, rules meetings that are required viewing for high school varsity and subvarsity head and assistant coaches at the start of each season include detailed training on caring for athletes with possible head injuries.
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Participation Data Published for Abbreviated 2019-20 School Year
By
Geoff Kimmerly
MHSAA.com senior editor
April 26, 2021
Data collected from Michigan High School Athletic Association schools for the annual national participation study has been published, noting that comparisons of overall participation and Spring sports data to past years must include the context that Spring sports teams had not begun competition before sports were halted March 16, 2020, and eventually canceled, and that reporting for those sports may be incomplete.
The National Federation of State High School Associations (NFHS) did not publish results of its national survey for the 2019-20 school year. However, the data collected for MHSAA sports has been posted to the MHSAA Website; results from the 2000-01 school year to present may be viewed at www.mhsaa.com by clicking on Schools > Administrators > Sports Participation Listing.
A total of 274,126 participants competed or had begun practices in MHSAA-sponsored sports during the 2019-20 school year. The overall MHSAA participation totals count students once for each sport in which they participate, meaning students who are multiple-sport athletes are counted more than once.
Boys participation fell 2.7 percent to 157,323, and girls participation also decreased, by three percent to 116,803. However, both measures include totals received for Spring sports, which saw reduced participation reported in eight of nine sports offered and the majority by significant percentages indicating the effect of the COVID-19 stoppage.
However, data collected for the Fall and Winter revealed mostly consistent comparisons with eight sports showing increases in participation from 2018-19 and 11 showing decreases (not counting girls tennis, which is played in Fall in the Upper Peninsula but by the great majority of the state’s teams in the Lower Peninsula during Spring). Girls and boys bowling both set participation records with the girls total of 3,134 athletes up 1.3 percent over the previous season and the boys total of 4,495 up 3.8 percent over 2018-19.
Girls alpine skiing and wrestling enjoyed the second-largest percentage increases in participation in 2019-20 of three percent each, girls skiing to 786 athletes (the sport’s most since 2004-05) and wrestling to 9,777 participants. Volleyball bounced back from a dip in 2018-19 with an increase of nearly a percent to 19,248 participants, and boys swimming & diving similarly bounced back with a 1.1-percent increase to 5,059 participants. Girls golf (0.6 percent, 3,610 total participants) and boys tennis (1.3 percent, 6,339 athletes) also saw increases despite Upper Peninsula seasons in those sports not being played. Girls lacrosse, with 3,224 participants, was up 1.4 percent and set a record despite the sport being halted prior to the start of competition.
Of the 11 Fall and Winter sports that saw decreases in participation from 2018-19, eight were by 1.6 percent or less. Football, with 34,339 participants during the 2019 season, remained the most-played sport despite a 3-percent decrease from the previous year. Boys track & field (21,650) and boys basketball (21,016) had the next-highest totals of participants reported. Volleyball (19,248) remained the most popular girls sport by participation, followed by girls track & field (16,274) and girls basketball (15,133).
The following chart shows participation figures for the 2019-20 school year from MHSAA member schools for sports in which the Association sponsors a postseason tournament:
BOYS |
GIRLS |
|||
Sport |
Schools (A) |
Participants |
Schools (A) |
Participants (B) |
Baseball |
658/4 |
16,455 |
- |
0/4 |
Basketball |
737/3 |
21,005 |
729 |
15,133/11 |
Bowling |
418/15 |
4,469 |
407 |
3,134/26 |
Competitive Cheer |
- |
- |
361 |
6,567 |
Cross Country |
671/2 |
9,457 |
669 |
8,066/11 |
Football - 11 player |
560/87 |
32,628 |
- |
0/100 |
8-player |
93/16 |
1,591 |
- |
0/20 |
Golf |
531/66 |
5,729 |
351 |
3,610/132 |
Gymnastics |
- |
- |
102 |
666 |
Ice Hockey |
295/10 |
3,261 |
- |
315/11 |
Lacrosse |
171/10 |
5,305 |
122 |
3,224/14 |
Skiing |
116/2 |
916 |
114 |
786/3 |
Soccer |
503/16 |
14,195 |
484 |
12,429/69 |
Softball |
- |
- |
648 |
12,657 |
Swimming & Diving |
274/22 |
4,987 |
273 |
5,474/72 |
Tennis |
310/18 |
6,304 |
340 |
8,621/35 |
Track & Field |
696/1 |
21,645 |
694 |
16,274/5 |
Volleyball |
- |
- |
720 |
19,248 |
Wrestling |
492/216 |
9,376 |
- |
0/401 |
(A) The first number is the number of schools reporting sponsorship on the Sports Participation Survey, including primary and secondary schools in cooperative programs as of May 15, 2020. The second number indicates the number of schools that had girls playing on teams consisting primarily of boys.
(B) The second number indicates the number of additional girls playing on teams consisting primarily of boys and entered in boys competition.
The MHSAA is a private, not-for-profit corporation of voluntary membership by more than 1,500 public and private senior high schools and junior high/middle schools which exists to develop common rules for athletic eligibility and competition. No government funds or tax dollars support the MHSAA, which was the first such association nationally to not accept membership dues or tournament entry fees from schools. Member schools which enforce these rules are permitted to participate in MHSAA tournaments, which attract more than 1.4 million spectators each year.