FDA Approves Device That May Help Prevent Traumatic Brain Injuries by Clamping Blood Vessels in the Neck

Mar 3, 2021
by Alicia Leggett  

The US Food and Drug Administration approved a device last week that may help prevent traumatic brain injuries in athletes by clamping down on blood vessels in the neck.

Odd, right? But it might have real potential. By slightly restricting blood flow through the internal jugular veins, the device, called the Q-Collar, increases blood volume in the skull, thereby limiting movement of the brain inside of the skull, which experts believe is what generally causes traumatic brain injuries.

As new research on brain injuries continues to emerge, experts have increasingly focused on ways to minimize the damage from repeated subconcussive impacts, which have been indicted for likely causing chronic traumatic encephalopathy (CTE), the degenerative brain disease that has notoriously affected football players and that results from cumulative damage over time.

To assess the safety and effectiveness of the Q-Collar, the FDA ran a series of studies, including a prospective, longitudinal on 284 high school American football players that used pre- and post-season MRI scans and accelerometer data to track structural changes in the subjects’ brains that occurred throughout a season of play. The changes found affected deep white matter regions of the brain related to electrical signal transmission and were associated with repeated head impacts.

Significant changes were found in the brains of 73% of the no-collar group compared with 23% of the Q-Collar group.

Another study looked at female soccer players and had similar findings: The no-collar group, in general, had significant white matter changes, while the Q-Collar group did not. The soccer study, however, included another MRI three months post-season, which found that the white mater changes had either resolved or partially resolved, leaving the question of whether the Q-Collar helps prevent the cumulative damage that leads to CTE.


It’s important to note that the Q-Collar is in no way an adequate replacement for a helmet and other appropriate protective gear, but it is a cool piece of gear that seems promising and might (hopefully) have benefits in a real and very scary corner of the impact and action sports worlds.

The Q-Collar is already for sale in Canada and is pending approval in Europe and the UK. Information about availability in the US will be available soon at https://q30innovations.com/.

More information about the Q-Collar and its FDA approval is available in the FDA press release.

Author Info:
alicialeggett avatar

Member since Jun 19, 2015
738 articles

  • 517 9
 so this is basically a cock ring for your head?
  • 203 3
 Is a regular cock ring not also for your head?
  • 126 4
 Nah, they're completely different. One restricts blood flow causing the blood pressure to build up inside of your head and the other you wear around your neck.
  • 8 1
 Thansk.. first funny thing i ve read today.....
  • 13 4
 @MaximilianJakubowski: Yes - but this version is for the kind of dicks who leaves trash on the trails and doesn't show up on maintenance days.
  • 31 0
 of course the man with a porn rference is from germany Razz
  • 3 1
 I guess there’s also a rear naked choke hold joke to be made there
  • 2 8
flag DrPerceptron (Mar 3, 2021 at 7:01) (Below Threshold)
 You've got a real gift coming up with such a clever comment.
  • 5 0
 Thinking with your little head, how intuitive.
  • 18 0
 I've been called a dickhead all my life, so... I can finally complete the look.
  • 2 2
 @ninjatarian: only if ou are a d***head ????
  • 2 1
 Which head exactly?
  • 12 1
 Is this product Dick Pound approved?
  • 166 11
 has pinkbike ever done an age survey of the commenters on this site ?
After reading this thread , i'm guessing the average would be around Twelve or maybe older but with pre-existing brain damage .
  • 131 0
 Are you @Sirios ?
  • 54 24
 Speaking of... I wish Waki was still around.
  • 10 8
 @colincolin: what happened to Waki?
  • 13 17
flag ReformedRoadie (Mar 3, 2021 at 9:34) (Below Threshold)
 @Caiokv: #makewakigreatagain
  • 22 1
 40 but identify as a twelve year old. Which box do I check off for that?
  • 57 0
 the average PB commenter is obviously 69.
  • 4 0
 @savagelake: maybe it’s my 4 concussions acting up again but, nice
  • 6 1
 Lot of "Peter Pan" syndrome around the MTB community I think. Gotta get back to my Metallica music and trying to skip work for Powder days...maybe I'm speaking from experience?
  • 5 6
 hey now don't go insulting brain damaged folks just cause some ppl made dick jokes!
is that grounds for a ban @brianpark or is it ok since brain damaged ppl aren't a recognized protected class?
  • 1 0
 Well we have all been mountain biking without this wonderful product so brain damage is a real possibility
  • 7 1
 Umm.. personally I'm hoping twelve-year-olds don't know about cock rings...
  • 1 1
 @mi-bike: and MI-bike volunteers to be the first case in point in the thread with his pre teen truculent comeback .
  • 2 2
 @Supergirl56: Nope. He left of his own volition.
  • 1 0
 @Sirios: You cannot seriously (siriosly?) believe that my retort was somehow beligerent.

The reply was clearly par-for-the-course (with the course being the par 69 PB comment section).
  • 1 2
 Why so @Sirios?
  • 1 0
 @mackienz: Damn your right, we don't need more competition!
  • 84 34
 73-77% experienced significant brain changes, at a high school level. It will be a bright day when they completely pull youth football.
  • 27 0
 73% without, 23% with. Still not great.
  • 18 7
 @fayton: I misread that a little. 73% is still a horrendous number. On the other hand 77% without is impressive. Im still not going to stand behind anyone who profits off children bashing their skulls together.
  • 65 50
 Why? As a teen who plays football, I don't see why we shouldn't play. By the time you get to highschool, you are either invested in the sport, or you aren't playing it. Sometimes you just have to accept risks. If getting injured playing sports is an issue, why aren't you whining about mtb, clearly you can get pretty hurt doing that.
  • 41 57
flag cptstoney (Mar 3, 2021 at 5:11) (Below Threshold)
 @FloridaHasMTBToo: the degenerative effects of repeated hits to the head have clearly already started to take effect on you.
  • 71 2
 @FloridaHasMTBToo: Problem is that your brain isn't done developing until your mid twenties. Damage done during your teens is much worse than me in my thirties killing brain cells with a variety of different methods.
  • 78 1
 @FloridaHasMTBToo: Played football in HS (defensive end, offensive tackle). With football you’re bashing your head every single play. With MTB you’re bashing your head a few times a year. You might love football now but it sure AF ain’t worth it in the long run.
  • 9 48
flag jrocksdh (Mar 3, 2021 at 5:59) (Below Threshold)
 And take away a great pathway for scholarship and income potential...especially among lower incomes?
  • 13 5
 It will be a bright day that I doubt I will ever see. We seem to have an obsession with sweaty men and balls in this world.
  • 83 5
 @jrocksdh: That is a lame reason. Scholarship and income potential only exists because there is an opportunity for exploitation. If people in lower incomes need repetitive head injuries to earn money or a scholarship, there is obviously a bigger problem.
  • 61 3
 @jrocksdh: There's a pathway to scholarship and income potential with FAR greater odds and zero risk of CTE - it's called academics. And yes, it's applicable to lower incomes.
  • 7 6
 @FloridaHasMTBToo: because if it's not your interest it is stupid, but then when more people take an interest in your interest you get grumpy cuz you want it all to yourself. It's the way a MTBer thinks. That's why we hate roadies, check the handbook.
  • 7 9
 @bigkat273: soooo...kids shouldn't ride bikes either?
  • 93 2
 @jrocksdh: "great" income potential? There are 1,700 pro football players, total. The NFL hires 300 new players each year, and most of them will have very short careers. I would bet about 100 of them have a career they can retire on.
Scholarship potential is a little better - about 32,000 spots in existence (www.ncsasports.org/football/scholarships) across 900 football programs in the country. However, that's total, so any one year is on average 1/4 of that - 8,000 - and even within DI those aren't all fully funded/utilized, so call it about 6,000. There are about 4M new full time college freshman. There are ~1M highschool football players, so figure about 250k football-playing seniors. So 244k highschool seniors are damaging their brains so that 6k of their friends (2.5% of them) can get a college education representing 0.15% of all college opportunities.
Here's where it gets crazy. There are 1.7 million college scholarship opportunities in the US, of which football represents 0.35% based on the numbers above. Put another way, you have about 300X more scholarship opportunities outside of football than within it.
  • 77 9
 Crazy idea here from a communist country... Why not make education and Healthcare available for everyone, regardless of incomes?
  • 17 3
 @Duderz7: part of riding bikes isn't intentionally throwing your head and body at a trail. On a bike impacts are accidental and incidental, in football impacts are intentional and unavoidable.

Young people are going to do dangerous things, and are going to get hurt and thats life. That is separate from the virtual slave trade that is football. It is one of the most predatory sports at every level. There is a big difference between some kids (or adults) playing a sport, and an organization profiting off children playing a combat sport. The fact that football has embedded itself so deeply into "education" is not only disgusting, also a little counter-intuitive.

Its looking like some people took a few too many hits to the head at a young age to understand this though.
  • 16 3
 My final play / final game of HS football I was running the ball up field with two tacklers bearing down and I knew I was about to get hurt. I was playing all season injured and my heart wasn't in it and thought about all these things in my head and decided to slide/ground the ball. They tackled me anyway and I had turf stuck in my helmet and a concussion. I'm certain my back isn't right and combined with a few other concussions know that it had lasting impact. Football is hard on teens who are going nowhere with it, so is hockey and lacrosse etc. I feel at these ages the equipment should still be overprotective, even at the cost of performance. I don't know what my point is but I still regret playing football haha.
  • 15 1
 They could even start by not calling "football" a sport where there might be 5-6 times when a ball (which isn't even a ball by definition) and a foot come into contact during a game... But I'm diggressing here...
  • 3 0
 @Blownoutrides: Especially if you go to a 700-student HS in a conference of 2-3000+ student schools. That was just short of suicide......
  • 4 0
 @yeti85: Back, Back behind your curtain!
  • 18 4
 @yeti85: First World countries do. For the most part. With one glaring exception.
  • 5 1
 @yeti85: Yeah. And food, clothing, and housing, as well. You die even faster without those.
  • 5 0
 @ohio: Thank you for the math!!
  • 5 3
 @yeti85: you lost me at communist.
  • 6 1
 @Duderz7: My kids aren't hitting their heads multiple times per day, every week for months. (If we include practices and playoffs) They might get one or two solid wrecks a season and even then if I think my kid hit his/her head severely they're sure as hell not getting back on a bike until after they clear concussion protocol.
  • 2 0
 @Blownoutrides: Does anyone know what the concussion rates are like with rugby? You can only get hit if you have the ball so I would assume that makes it safer?
  • 1 7
flag FloridaHasMTBToo (Mar 3, 2021 at 14:24) (Below Threshold)
 @cptstoney: I beg to differ. Looks the degenerative effects got to you first.
  • 7 0
 @ki3ranb: The only reason CTE hasn't been found in rugby players at the same rate as American Football players is that no has systematically looked for it yet. I guarantee you it's just as big of a problem: www.theguardian.com/sport/2020/dec/08/steve-thompson-former-rugby-union-players-dementia-landmark-legal-case
  • 2 0
 @dd9433: Well, that's a drag. Thanks for the link, though.
  • 7 0
 @FloridaHasMTBToo: Every time you hit your head it changes your life in a small way forever. Playing a sport where repeatedly smashing your head off something isn't just a risk but a guarantee is not in the best interest of 50 year old you.
  • 2 6
flag FloridaHasMTBToo (Mar 3, 2021 at 18:18) (Below Threshold)
 @friendlyfoe: You've got high hopes thinking I'm gonna make it to 50. I'll be lucky if I make it past 25.
  • 5 6
 @yeti85: is education even a thing in communist countries? Aside from re-education. #groupthink
  • 5 0
 @ki3ranb: Rugby is likely a lot safer than American Football. I played rugby from aged 8 until 19 and I don't think I got more than 2 or 3 concussions the whole time. I likely got that many or more from mountain biking and also miscellaneous accidents throughout my childhood. No doubt adult rugby involves more concussion because the hits and clearouts are super aggressive and it involves the heaviest players. However, as I understand it, there's a lot more wreckless play in American Football. A lot of American football tackles don't seem to involve tackling low and wrapping up the legs, players just hurl themselves into contact, hoping to make a big enough hit that it stop the player. They then rely on the helmet and pads to protect them. Watching American Football always looks dangerous as hell to me as a rugby player and fan.
  • 2 0
 @ohio: you sir just got yourself a buckeye!
  • 1 0
 @tom666: In rugby your self preservation kicks in. You do not wear a helmet or body armor so you cannot be as reckless. The same way the invention of boxing gloves increased deaths in boxing.
Same as you played rugby a lot when younger moved to the USA recently took up ice hockey and have more injuries while fully geared up in a shorter time compared to 10 years of rugby.
  • 5 0
 @hayzy666: I think you guys are onto something. For some years now, I think the PPE that football players wear is dual-purpose: it protects the player, AND it weaponizes their body, so the can generate even more impact in any block or tackle.
Something's GOTTA give with the kind of high-speed momentum and shock power that results.
  • 2 0
 @tdotrider: This is absolutely not true. The quality of education in wealthier areas is proven to be much better than the quality of education in poor areas. No matter how smart you are, you are at a great disadvantage in a poor school.
  • 5 1
 @bogey: that doesn't change my point - kids, even in disadvantages areas, still have a far greater chance at scholarships & potential income via academics than chasing NFL dreams.
  • 1 0
 @FloridaHasMTBToo: I'm sure your 30 year old you is going to be such a fan of you-now.
He's going to be ecstatic about your life choices Frown
  • 44 3
 "77% of the Q-Collar group did not exhibit any significant changes" (due to passing out in the parking lot)
  • 11 6
 In order to make people pass out you’d need to exert enough pressure to compress the carotid and vertebral arteries, which this device couldn’t possibly do.
  • 7 22
flag sewer-rat (Mar 3, 2021 at 6:13) (Below Threshold)
 @DrPete: Dr in the house! Just in that reply alone you managed to make me drift off
  • 29 3
 @sewer-rat: I wonder if this device would make you more clever.
  • 9 2
 @DrPete: No chance Doc, I'm a lost cause. Just ask anyone
  • 7 0
 @sewer-rat: It's true.
  • 9 0
 @colincolin: waiting for confirmation by @anyone.
  • 4 0
 @DrPete: if I crash while wearing this device, should I take it off post crash to reduce ICP?
  • 7 0
 @mikeyrides: turn up the volume on your Bluetooth speaker to increase ICP.

  • 2 0
 @DrPete: ridiculous, this is way too big to fit the neck of a small mammal
  • 30 0
 I will use an Electrical Tape.
  • 8 0
 I prefer Scotch.
  • 3 1
 @noapathy: Yes drinking it!
  • 1 0
 @adamadey: Indubitably.
  • 1 0
 And bacon?
  • 35 6
 Came for PB commenters loudly not understanding physiology. Wasn’t disappointed.
  • 12 15
 Came to watch narcissistic schmucks correct comments which were obviously made in a sarcastic and joking manner. Was not disappointed.
  • 3 0
 Came for Q-Anon jokes.....disappointed so far.....
  • 18 2
 The inventor must have been inspired by a certain ring that also restricts bloodflow in order to keep more blood in a head.
  • 13 3
 I wish this article would address the possibility that restricting blood to the brain might impair cognitive abilities?

I'm just not knowledgeable enough to know what the risks here are, but I feel like more than with ball sports, any risk that your reaction times are slowed down would be extremely dangerous for mountain biking and not worth the potential benefits. It could be that there is no risk, but I wish the article mentioned that.
  • 18 1
 The idea is that they are restricting the blood flow out of the brain by putting enough pressure to partially block the veins but not enough pressure to stop the blood flowing in from the arteries.
  • 2 0
 @Cameltoby: exactly this.
  • 3 5
 @Cameltoby: That's a nice idea, but someone should test it. Real world test results are superior to thoery, and given what's at stake, folks shouldn't accept anything less than real world test results. I think @Rudy2455 makes a great point.
  • 6 1
 @cedrico: surgically removing the jugular veins doesn’t do it. Neither does actually blocking one or two arteries to the brain in most people. Yes, a real world trial is the gold standard but for a lot of reasons that’s probably not a realistic expectation here.
  • 2 0
 @cedrico: They performed several prospective studies involving hundreds of subjects, thousands of hours of playing time, and upwards of 500,000 total head impacts.
  • 1 0
 @dd9433: Its a start. Good intentions, I like to think.......
  • 4 0
 @dd9433: I work in the medical device field in R&D and I have seen how companies put out claims like these. I think it is more likely than not that the claims they are making are accurate, and that this device works at least to the degree they claim it does. However it is absolutely possible that this product has side effects-probably not "decreased blood flow to the brain" as that sounds a little too ridiculous to me-but maybe something like an increased risk of upper spine or collar bone injuries. They do claim that their trial revealed no side effects which is a fantastic sign but it is still possible we might see something happen when the product goes to market. They say over 500,000 impacts during their clinical trial, well how many of those were performed in a controlled laboratory environment? They mention animal testing, were most of those impacts done on animals that had no ability to vocalize any discomfort/impairment caused by the device? (As an aside I am very very curious as to how they did that animal testing...)

Just playing the devil's advocate here. TBIs and CTE are a huge issue and anything that can help mitigate risk for athletes is a blessing. I already ride with a neck brace and would consider adding a product like this to my ppe arsenal.
  • 10 0
 I tried one 3 years ago after a concussion fir some park days. It’s been an interesting following the development. I wonder why the FDA didn’t approve it back then when Bauer owned the tech. Once they denied it Bauer pulled the plug in Canada and gave the rights back to dr Andrews and the original company. It seems funny reading about this now
  • 2 0
 Wow, an interesting comment, on pinkbike.
  • 9 0
 Here's what I took from this.... during 1 season of high school athletics 100% off those tested showed traceable damage to their brains. ONE HUNDRED PERCENT. Yes there was less with the collar but it was still there.
  • 5 0
 Totally. I had so much fun playing high school football, but I really regret it now.
  • 4 0
 Where do you get 100% from the description of the study? The summary is below. The term "Significant changes" refers to a threshold to be considered relevant for statistical analysis; it does NOT mean that everybody had damage or brain changes that were present but weren't significantly large.

284 high school American football players that used pre- and post-season MRI scans and accelerometer data to track structural changes in the subjects’ brains that occurred throughout a season of play. The changes found affected deep white matter regions of the brain related to electrical signal transmission and were associated with repeated head impacts.

Significant changes were found in the brains of 73% of the no-collar group compared with 23% of the Q-Collar group....
  • 7 0
 This is neat. I bet it will cost a million pounds, but if it doesn't I'd definitely consider a minimally intrusive brain saver like this.
  • 3 0
 Looks like $250CAD - so around £150, but by the time it get over here it'll probably be £250.....
  • 2 0
 That is one expensive alice band (jokes). Definitely watching this space though.
  • 9 1
 Could I get the same effect with my studded leather gimp collar?
  • 7 0
 @pbuser2299: only if you wear it with the studs facing inwards....
  • 7 0
 @tuhuramtb: is there another way??
  • 3 0
 @tuhuramtb: The cost seems ridiculous for what it is. That's as much as very high-end helmets with dual density foam, MIPS, etc. When you can buy $40 knock-offs on Amazon I'll be very interested though.
  • 5 0
 @dd9433: With medical devices you aren't paying for materials so much as you are paying for the clinical trials and the massive amount of QC/regulatory work that goes into producing them. I'm honestly shocked it doesn't cost more.
  • 1 2
 @samsq: You are shocked a single piece of molded plastic and another single piece of molded rubber weighing less than half a pound doesn't cost more than $200USD? The manufacturing costs are likely around $2.
  • 1 1
 @radrider: I already said that the materials are not what you are paying for. You are paying for the clinical and preclinical trials required to develop the product. And you're probably wrong about the manufacturing costs being that cheap-because it's a medical device, which means it is regulated by the FDA, there is a lot of expensive QC work necessary that you don't see on normal goods. I work in the industry so you can take my word for it or don't, it's whatever at the end of the day.
  • 1 1
 @samsq: You said you aren't paying for materials "so much as"( an inclination that materials are still a significant portion of the cost)... "You work in the industry" so you understand manufacturing costs? I own two manufacturing business's.
They did 284 MRI's for clinical trials. Do you think that is even 0.00001% of the effort in clinical trials done for helmets?
The cost of this is absurd and ridiculous.
  • 1 0
 @radrider: Look, I respect the fact that you have a lot of experience in manufacturing. Just please understand that this isn't the same as a helmet. Helmets are not regulated to the same standard and they typically do not undergo clinical trials. Q30 claims they spent over $20 million dollars and seven years of effort into developing their device and that is far more than what goes into the average helmet.
  • 1 0
 @samsq: $200 wouldn't be an average helmet. And though R&D may not be be 20million, the costs of building a factory would start around there and go way beyond. Unless of coarse, like Q-Collar, they contract their manufacturing to someone else. But just because you require a huge factory doesn't mean that justifies charging a huge premium. That is what investors are for. And essentially what every purchaser is becoming buying these at this price, except they don't get to sell those shares if they want.

Clinical trials aren't really required for a helmet to assume it will help you avoid a head injury. A blood constricting neckband probably needs those trials to convince the general user.
  • 10 6
 Based on what is written here I’m not sure this really has a practical application for biking. This seams to be tested and effective for the repeated type of sub concussive blows that a player undergoes in something like a football game, not the type of isolated hard slams that a biker is likely to undergo if they crash.
  • 8 0
 That’s not what the data shows at all.
  • 1 6
flag MatthewCarpenter (Mar 3, 2021 at 4:04) (Below Threshold)
 I agree with you. Interesting for football, martial arts, maybe soccer, but thankfully head trauma in biking is a rather rare.
  • 11 7
 It's not just about the hard slams though is it?
How many times have you some off a gnarly descent and felt like you brain has been rattling round inside your head?
It's all these repeated - even small - impacts that can also contribute.
  • 19 4
 @tuhuramtb: like never. something might be wrong with you or your ring style. lol
  • 10 1
 @MatthewCarpenter: huh? concussions and head injures are VERY common in cycling. i've unforutnately had multiple concussions from MTBing and one from a gravel ride crash.
  • 1 3
 @tuhuramtb: Honestly, that has never happened to me. Your statement implies that we are destroying our brains simply by riding rough trails. If there is any scientific data to back that up I'd love to see it.
  • 1 0
 @heinous: Yes it is. I looked over the entire site and some of the research they posted. Everything is in reference to "RHI" (repeated head impacts) or repeated sub concussive blows to the head. The FDA release even says "Data do not demonstrate that the device can prevent concussion or serious head injury". Could it be help? Maybe. But like I said, it doesn't seem like mountain biking is the really what this item is geared for.
  • 4 0
 @MatthewCarpenter: I'm not sure I can think of a single MTBer I know who hasn't hit their head hard enough to crack their helmet at least once. Head trauma in biking is common, not rare.

The data they now can't determine whether the device prevents concussions, but it seems plausible it could. All head trauma is a continuum anyway--there's no hard line between concussion/not concussion.
  • 4 0
 @MatthewCarpenter: "head trauma in biking is rare".....lol
  • 3 0
 @MatthewCarpenter: false. It's just not heavily tested because there isn't a ton of money behind it. The NFL and the NFL players union has a lot of horsepower. And when an NFL player or super star college player kills themselves and they find CTE relation it becomes big news.

It might not be an issue for the casual rider that maybe gets 1 in their lifetime but with athletes that compete and/or kids that are on the crazy side of the norm it's 100% an issue.

Dave Mirra brought this to people attention. People weren't really thinking about cyclists as CTE risks but if you think about it... how many times do you think that dudes head slapped off the dirt, concrete and wood ramps with and without helmets during his career? I remember when the emails and calls first started coming in when he took his life. I worked at Bell at the time which was under the same umbrellas as Riddell which was in the middle of massive lawsuits related to CTE. So when it happened everyone and their mother was asking about it.

Now years later there's much more of a focus on preventing concussions in cycling. Helmets really used to be to keep you alive during heavy trauma. But now they're steadily progressing towards adding to that with concussion prevention technology. MIPS really got that going and MIPS was heavily funded by Bell/Riddell. As was their Moto based FLEX technology. Now there's spherical mips and every other brands version of tech directly related to decreasing contact concussions and rotational concussions. They wouldn't do that if concussion and CTE were not an issue with cyclist.

Look at these older dudes, talk to them. I guarantee you nearly all of them will tell you they wish the tech was there sooner. Dave's not the only one.
  • 1 0
 @onemanarmy: I really wish I'd only suffered 1 in my time riding. In over 20 years I'm probably into double figures.
  • 1 0
 @tuhuramtb: It happens from time to time... but usually on some mellow xc loop I force myself to ride when hungover... Usually gets better towards the end though!!
  • 4 0
 Your Cerebral Blood Flow will auto-regulate the arterial pressure to drive up the Cerebral Perfusion Pressure to overcome the venous congestion. Not sure I fancy a higher intracranial blood pressure when hitting the dirt falling off a MTB. Physiology here: www.ncbi.nlm.nih.gov/books/NBK53082
  • 4 2
 I doubt there would be enough of a difference to matter in the real world, but it would be a good next study to look at whether device wearers have fewer but more severe injuries. I’m guessing you’d need a huge number of participants to even see a tiny difference.
  • 3 0
 Craniotomies are no joke, and you're left with a plastic portion of skull most of the time.
  • 3 0
 @DrPete: That would be something that's very hard or almost impossible to test. With something like football, the repeated minor blows throughout the game are pretty consistent from game to game and player to player. Outfit a bunch of teams over an entire season and you get a pretty good consistent sample to work with. The type of blows that cause severe injury are more random and inconsistent.
  • 2 0
 @DrPete: impossible to adequately power, I agree
  • 7 1
 So like, are they trying to sell an erotic asphyxiation device without saying it's for erotic asphyxiation?
  • 4 0
 This maybe could have saved Michael Hutchence's life.
  • 2 0
 I wonder if this can be integrated into the HANS-device looking brace that Leatt has for downhill riding. I know that’s more for spinal cord injury prevention, but if the neck brace could be used as a HANS device plus this blood flow restricting device, maybe it would be even safer.
  • 2 0
 I had this same thought. Seems like an obvious add-on to a neck brace.
  • 2 0
 "Significant changes were found in the brains of 73% of the no-collar group, while 77% of the Q-Collar group did not exhibit any significant changes."

Can you not just say "73% of the no-collar group exhibited changes, compared to only 23% for the Q-Collar group"? What's with the weird comparison of opposing metrics here?
  • 1 0
 It might because of the way they did their statistical analysis but I'm honestly also struggling to understand the logic behind this sentence. Presented it like this, it seems they only checked whether the brains were altered separately in two different group, and did not test the effect of the collar itself.
  • 5 1
 restricts blood flow to the brain you say.............?
fap fap fap fap etc
  • 5 0
 Can purchase accessory ball gag for tooth protection during impacts.
  • 2 0
 Bauer used to try to sell this exact same thing a couple years ago. I worked in a sports store when they were doing that and in the two years I worked there, we sold a grand total of ZERO of these neck collars
  • 1 0
 Huh, I almost completely forgot about this. I was actually part of the control for one of these clinical studies and got my brain scanned by MRI. Pretty cool study looking back. Glad to see its actually coming to market since the studies show it's effective.
  • 1 0
 Studies aren’t great. Doesn’t really explain the force classification of a sub concussive hit... also the placebo effect as well. Very skeptical still. More of the concrete studies they have surround pigs and mice and not us humans
  • 4 0
 Looks like something from Running Man!
  • 1 0
 I wonder how this affects you when you're several minutes deep into a hard effort and gasping for air. Seems like any restriction of circulation wouldn't be great. But I would still try it
  • 2 0
 It only started to bother me at the end of the day about 6 hours in. I had a buddy try it and couldn’t wear it at all. Sort of like wearing a tie
  • 1 0
I would certainly give it a try for Enduro and just put it on before stages.
  • 2 0
 personally, anything that can have a positive impact on prevention after an accident in sport gets my vote, its also not intrusive to wear
  • 2 0
 All jokes aside about the Nerf cock ring, what age is rugby typically started at over in the UK, AUS, and other places?
  • 7 0
 It's taught in secondary school in the UK (or was when I was there), so 11-12. Rugby is significantly different to American Football in terms of head injuries though.
  • 2 0
 In Australia. 5 years old...
  • 2 0
 @Mayzei: All my rugby concussions came from knees to the face or slamming the back of my head on the floor. I hate the latter as the feeling is infinitely shitter
  • 2 0
 @Mayzei: The only reason CTE hasn't been found in rugby players at the same rate as American Football players is that no has systematically looked for it yet. I guarantee you it's just as big of a problem: www.theguardian.com/sport/2020/dec/08/steve-thompson-former-rugby-union-players-dementia-landmark-legal-case
  • 1 0
 @Mayzei: thanks
  • 1 0
 @BrynScott: thanks
  • 1 0
 @Mayzei: My son was playing tag rugby (non contact) from 4, but in terms of 'proper' then I think secondary school is about tight (11 upwards.)
  • 3 0
 This sounds like it would work but give you a brutal headache.
  • 1 0
 I believe Bauer (an ice hockey brand) made a device called the neuroshield or something similar which was essentially this. Correct me if I’m wrong.
  • 1 0
 It was this they funded the program then when it didn’t get approved right away the released the rights back
  • 1 0
 By wearing this, how are you not risking a massive brain swelling in the case of a significant head trauma? This restricts a blood outflow from your brain, right? Right?
  • 2 0
 Good thing I didnt get rid of all my neck ties. Much more stylish than this thing....
  • 1 0
 I think I'll try doing this with a tourniquet next ride, much cheaper and it'll stop a lot more blood (more blood=more better right?)
  • 5 3
 By the way you can achieve the same effect for free by riding clenched.
  • 2 0
 1 step closer to roller derby attire
  • 2 0
 Funny thing was Luke Kuechly was testing them for a bit
  • 1 0
 I was just thinking that. Probably not the connection they're looking for though - guy still retired due to the cumulative effect of all those concussions.
  • 2 0
 @nosmallplans: It was too late for him.

It shows a lot that they're focusing on high school athletes here. Damage is well on it's way before they reach professional level sports.
  • 1 0
 @onemanarmy: Yeah, those tender brains are much more susceptible to long term damage. I think I read somewhere they even banned headers in high school soccer?
  • 1 3
 A human is the most evolved creature on the planet, especially our brain. If there was an advantage to restricted blood flow from the brain we would already have it. Deficiencies in anything killed our ancestors a million years ago. Mother nature does not believe in overkill. No thanks.
  • 2 0
 The Luke Kuechly effect
  • 1 0
 Bills (and former Carolina) linebacker AJ Klien still uses one:

  • 1 0
 Instructions unclear. Wore an E collar and zapped myself
  • 1 0
 Give it to Berrecloth: instant kill
  • 1 2
 They seem to rather blithely assume that there are no down sides to blocking blood flow in the veins from your head.
  • 2 2
 This screams daddy issues
  • 3 4
 Quick Pinkbike put this on! It will prevent the brain injuries that create your awful content!
  • 2 1
  • 1 1
 Does it come with a covid mask too?
  • 9 12
 buying this for the missus! she likes some light choking during love making, and I have been worried about the damage from her head hitting the headboard, so.....two birds!!!
  • 1 3
 I did not know female soccer players head butted one-another
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