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Arthur T Knackerbracket has found the following story:
In an investigation of head impact burden and change in neurocognitive function during a season of youth football, researchers find that sub-concussive impacts are not correlated with worsening performance in neurocognitive function.
[...] A research team, led by Sean Rose, MD, pediatric sports neurologist and co-director of the Complex Concussion Clinic at Nationwide Children's Hospital, followed 112 youth football players age 9-18 during the 2016 season in a prospective study.
"When trying to determine the chronic effects of repetitive sub-concussive head impacts, prospective outcomes studies are an important complement to the existing retrospective studies," says Dr. Rose. "In this study of primary school and high school football players, a battery of neurocognitive outcomes tests did not detect any worsening of performance associated with cumulative head impacts."
[...] In their secondary analysis, they found that younger age and reported history of attention deficit hyperactivity disorder (ADHD) predicted score changes on several cognitive testing measures and parent-reported ADHD symptoms. Additionally, a reported history of anxiety or depression predicted changes in scores of symptom reporting.
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(Score: 3, Interesting) by VLM on Thursday October 18 2018, @02:20PM
All teens act kinda brain damaged at least some of the time; part of the job description of being a teen. Might be a struggle to gather good solid data.
Also I don't think the parents generally care about the actual medical stuff nor does the school which also makes data gathering weird. I've had three parental concussion trainings so far. One was for my kids to participate in cross country and the disorientation was about a hundred parents playing on their phone and ignoring the presentation because tetanus or getting bit by a rabid racoon is a somewhat more realistic danger (which does not have any CYA training, BTW). The second was my son doing track, I got the paper refresher packet and signoff claiming I read and memorized the entire packet (uh yeah sure I did). I suppose some long jumpers or pole vaulters will land on their heads, but he was doing mid-distance sprints so I figured he didn't need a helmet to do the 200 and 400, or a helmet would be more likely to cause heatstroke than protect the skull. The third was this online deal that wasn't very memorable for my daughter to play badminton, click click click enter my name click. As CYA training has advanced over recent years its gone from boring HR-like human presentations to "sign something declaring you watched some shitty youtube video".
Possibly the parent concussion training is more serious for sports where concussions could realistically happen, soccer, polo, football, dressage, SCA fencing club, whatever.
The problem with existing training for parents is its designed by lawyers to cover the butts of the school district. I would be moderately interested to compare the danger of getting whacked with a badminton racket to a football defensive lineman. I would guess that low-mass high-speed stuff like a badminton racket to the head is more likely to require stitches and less likely to cause TBI than a defensive lineman headbutting a oncoming 300 pound offensive lineman, but thats just a gut level engineering estimate, who knows for sure. Kinda a pity that all the "end user" level stuff is purely CYA legal bullshit and not much useful medical data. If anything ever touches your childs head, the school officially advises you to take them to the ER immediately for a MRI, or something pretty similar.
I'm told that technically the minecraft club operates under the gender neutral after school title something or other school sports program (e-sports?) such that my son can't join until I take his school provided concussion training, but that might just be parents bullshitting. I'm sure there are kids in the minecraft club who had to take concussion training who coincidentally happen to be boxing club or some BS like that. We'll see what happens.
Overall as an actual parent of teens (not a teen-parent, LOL) I am somewhat more concerned about the semi-realistic danger of them dying in a new driver car accident than some kind of freak 400M dash concussion accident. Its interesting to think about that it COULD be true that more kids get brain injuries from driving themselves to far away gymnastics meets and getting into car accidents than get hurt in the gym itself. Typical CYA stuff.