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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 Rises to 4-Year High
July 10, 2018
By Geoff Kimmerly
Second Half editor
While enrollment in MHSAA member high schools saw another slight dip in 2017-18, participation in the 28 sports for which the MHSAA sponsors postseason tournaments rose to its highest point since 2013-14.
A total of 284,920 participants competed in MHSAA-sponsored sports this past school year, up 0.46 percent from 2016-17 – and despite a 1 percent drop in enrollment at member schools during that time. 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.
Girls participation rose for the third straight year to 121,349 participants, up 1.2 percent from 2016-17 and despite a 1.1 percent enrollment drop over the last year. Boys participation fell to 163,571 participants, a decrease of less than a tenth of a percent from the previous year – and much smaller than the boys enrollment decrease of nearly a full percent.
Girls lacrosse has set a participation record every season since becoming a sponsored tournament sport in 2005, and did so this spring with 2,900 participants – a 3.1 percent increase from a year ago. Boys lacrosse also set a record for the second year in a row, up 1.1 percent with 5,168 participants. Both boys and girls bowling broke records previously set in 2015-16 – boys bowling participation increased 8.4 percent over 2016-17 with 4,136 participants, while girls bowling was up 4.5 percent with 3,058 athletes. Also setting a record in 2017-18 was boys cross country, which saw record participation for the second straight season last fall with 9,656 runners (an increase of 2.6 percent).
The largest percentage increase in participation this school year came in girls gymnastics, which jumped 10.4 percent with 702 athletes – its most since 2011-12. Girls golf also enjoyed a notable increase, up 4.2 percent to 3,712 athletes – its highest participation total since 2007-08.
Six sports total saw increases in participation on both the girls and boys’ sides. In addition to bowling and lacrosse, girls cross country joined the record-setting boys with a 2.4 percent increase. Girls and boys swimming & diving both enjoyed increases for the second straight year, this time both by 2.4 percent. Girls tennis was up 2.3 percent to its highest total (9,123) since 2012-13, and boys tennis participation increased by one percent. Boys track & field (1.5 percent) increased for the third straight year, while girls track & field (1.6 percent) was up for the second consecutive.
Volleyball led participation among girls sports with 19,416 participants, up 1.8 percent from 2016-17. Other sports to see increases in 2017-18 were girls skiing, up 2.8 percent as participation increased for the second straight season; boys basketball, up a half percent; and girls soccer, which had four more athletes this spring than during the 2017 season.
Also of note in this year’s survey:
• The increase in participation for 18 sports during 2017-18 was compared to an increase in 16 sports for 2016-17 and 15 sports in 2015-16.
• Of 10 sports that saw decreases in participation in 2017-18, five were down less than a percent. Competitive cheer had five fewer athletes but 6,715 total, and there were three fewer boys golfers to take that total to 2,267. Boys skiing was down six athletes total to 831, while boys soccer was down 11 athletes and girls softball down 31 – both less than a quarter of a percent off their 2016-17 totals.
• Football experienced a much smaller decrease in participation last season than it had from 2015-16 to 2016-17, falling only 1.9 percent to 37,002 athletes – still the most participating in any sport by more than 13,000 athletes. The combined number of 11 and 8-player varsity teams sponsored by MHSAA schools last fall remained constant compared to recent seasons, although a shift of some programs from 11-player to 8-player continued.
The participation figures are gathered annually from MHSAA member schools to submit to the National Federation of State High School Associations for compiling of its national participation survey. Results of Michigan surveys from the 2000-01 school year to present may be viewed by clicking here.
The following chart shows participation figures for the 2017-18 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 |
642/655/5 |
17,668 |
- |
0/7 |
Basketball |
730/729/1 |
21,367 |
691/723 |
15,654/5 |
Bowling |
385/391/18 |
4,098 |
360/381 |
3,058/38 |
Competitive Cheer |
- |
- |
343/353 |
6,715 |
Cross Country |
640/651/4 |
9,650 |
620/650 |
8,696/6 |
Football - 11 player |
578/582/89 |
35,475 |
- |
0/108 |
8-player |
71/74/10 |
1,406 |
- |
0/13 |
Golf |
506/530/66 |
6,146 |
340/339 |
3,712/121 |
Gymnastics |
- |
- |
83/96 |
702 |
Ice Hockey |
240/269/9 |
3,353 |
- |
292/12 |
Lacrosse |
154/161/5 |
5,161 |
109/113 |
2,900/7 |
Skiing |
96/107/1 |
830 |
95/107 |
767/1 |
Soccer |
484/506/20 |
14,550 |
468/483 |
13,216/69 |
Softball |
- |
- |
624/643 |
13,610 |
Swimming & Diving |
246/274/14 |
5,020 |
261/280 |
5,732/78 |
Tennis |
295/309/12 |
6,134 |
332/340 |
9,123/31 |
Track & Field |
668/686/2 |
23,566 |
659/685 |
17,288/14 |
Volleyball |
- |
- |
715/717 |
19,416 |
Wrestling |
467/482/152 |
9,147 |
- |
126/250 |
(A) The first number is the number of schools reporting sponsorship on the Sports Participation Survey. The second number indicates schools sponsoring the sport including primary and secondary schools in cooperative programs as of May 14, 2018. The third 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, w