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Ski Binding's to help Prevent ACL injury

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gwgardner128
Posts: 1 - Karma: 19
Hey everyone! I am a student at Lehigh University studying business and entrepreneurship. For one of my classes I've been tasked with creating a solution to one of the biggest problems in skiing, ACL injuries. Personally I ski a lot so I definitely have my own opinions on how it could be done, but I was interested to see what you guys think. I'm aware of knee bindings, but have heard a lot of complaints about them, and think there could be a better alternative. Is there any other things that I should look into? Also, if you have a minute and could fill out this survey (takes literally 30 seconds) it would be really helpful for my project. https://www.surveymonkey.com/r/QN3JMXH
Thanks!
Nov 19 2018 9:42AM
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partyandBS
Posts: 3333 - Karma: 51,222
Isn’t the whole point on look pivots to allow heel rotation ejection? Also I think the pivot 14s used to eject vertically at the toe piece which is supposed to help as well.

Knee bindings are cool but have a ways to go. Heavy as fuck. I’m not a gear head but as far as I know they are the only foot specific binding???

The big thing to focus on is that the largest risk is someone landing backseat while rotating.
Nov 19 2018 7:03PM
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elm.
Posts: 1474 - Karma: 13,338
switch to engineering
Nov 19 2018 7:43PM
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TheWeaz
Posts: 803 - Karma: 1,903
The knee binding is the only binding that markets themselves as being safer for your knees, and yes they are terrible and yes they are foot specific.

Pivots are in no way marketed to be safer for knees. In fact there is no way to release sideways out of the heel because the bars of the binding are in the way. Some people claim they are safer because they have more elastic travel than any other binding and therefore allow for a lower din to be run. In reality, the din number is associated with a certain force and is a standardized range of numbers so each binding should release the same for a given number.
Nov 19 2018 7:56PM
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Aomame
Posts: 281 - Karma: 479
You've been tasked with sending surveys, not making bindings. You better
elm.switch to engineering


if you want to do that, specifically MechE.
Nov 19 2018 8:48PM
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Kahvikuppi
Posts: 9 - Karma: 64
As much as people seem to love Look pivots, I have a different opinion. Last season I tore my ACL due to pivot 14 not releasing when I landed on my back, tail of the ski first from a big jump. My dins are on 10.
Nov 20 2018 11:12AM
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Rum_Ham
Posts: 1449 - Karma: 4,481
MatiasparkkaAs much as people seem to love Look pivots, I have a different opinion. Last season I tore my ACL due to pivot 14 not releasing when I landed on my back, tail of the ski first from a big jump. My dins are on 10.


Sounds like a really awkward fall, I don't think binding choice would make much of a difference there. Is 10 the recommended din for you?
Nov 20 2018 3:40PM
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Kahvikuppi
Posts: 9 - Karma: 64
Rum_HamSounds like a really awkward fall, I don't think binding choice would make much of a difference there. Is 10 the recommended din for you?

9.5 is the recommended din for me.
Nov 20 2018 3:53PM
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profa_212
Posts: 8647 - Karma: 32,647
MatiasparkkaAs much as people seem to love Look pivots, I have a different opinion. Last season I tore my ACL due to pivot 14 not releasing when I landed on my back, tail of the ski first from a big jump. My dins are on 10.


Textbook ACL tear. Backseat landings are the easiest way to tear. Doesnt sound like too much of a binding failure to me. Just a shitty situation
Nov 20 2018 4:11PM
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Kahvikuppi
Posts: 9 - Karma: 64
Profahoben_212Textbook ACL tear. Backseat landings are the easiest way to tear. Doesnt sound like too much of a binding failure to me. Just a shitty situation

Well the situation was a bit different than backseat landing. I knuckled a big jump on flatspin five, flew on my back in to the landing backwards from the knuckle several meters down. The tail of my ski hit the ground first and twisted my knee like hell in horizontal direction at which point you would think the binding would pop off. Not saying other bindings would have popped off but that the rotating heel is overrated.
Nov 20 2018 4:25PM
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Rum_Ham
Posts: 1449 - Karma: 4,481
MatiasparkkaWell the situation was a bit different than backseat landing. I knuckled a big jump on flatspin five, flew on my back in to the landing backwards from the knuckle several meters down. The tail of my ski hit the ground first and twisted my knee like hell in horizontal direction at which point you would think the binding would pop off. Not saying other bindings would have popped off but that the rotating heel is overrated.


The rotating heel does not allow for lateral release at the heel. It allows for better retention and elasticity and helps make toe releases smoother.
Nov 20 2018 4:35PM
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Kahvikuppi
Posts: 9 - Karma: 64
Rum_HamThe rotating heel does not allow for lateral release at the heel. It allows for better retention and elasticity and helps make toe releases smoother.

Yeah, but isn’t the rotating heel main difference between other bindings and pivots? And the reason why people say pivots are knee-friendly. I never said that I thought the heel would pop off.
Nov 20 2018 4:44PM
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TheWeaz
Posts: 803 - Karma: 1,903
No absolutely not

its a huge misconception but as I said above you, the pivots has more elasticity than any other bindings on the market right now, which some people claim allows them to run lower din and therefore be more knee friendly.

Look never once made the claim that they are safer for you knees
Nov 20 2018 7:31PM
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s-hand
Posts: 1334 - Karma: 1,800
http://www.newschoolers.com%2Fnews%2Fread%2FAll-wanted-ACL-injuries-ski-bindings]https://www.newschoolers.com/click?news=47197&u=https%3A%2F%2Fwww.newschoolers.com%2Fnews%2Fread%2FAll-wanted-ACL-injuries-ski-bindings[/url]
Nov 20 2018 9:36PM
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BigPurpleSkiSuit
Posts: 9103 - Karma: 65,244
As a visionary myself, I think a DIN with an eject button would be both safer and more entertaining. Think about it, you recognize oh shit, I'm not landing, better eject now...Push a button on your gloves with your thumbs like antman and suddenly a burst of hydraulic fluid thrusts your feet out of your bindings and allows you to sprawl safely on the ground. Plus you could manually eject your friends in the lift line or on the bunny slopes.
Nov 20 2018 10:47PM
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Colingarnes
Posts: 610 - Karma: 2,644
BigPurpleSkiSuitAs a visionary myself, I think a DIN with an eject button would be both safer and more entertaining. Think about it, you recognize oh shit, I'm not landing, better eject now...Push a button on your gloves with your thumbs like antman and suddenly a burst of hydraulic fluid thrusts your feet out of your bindings and allows you to sprawl safely on the ground. Plus you could manually eject your friends in the lift line or on the bunny slopes.


Post was really dumb till you totally redeemed it with the last sentence.
Nov 20 2018 11:14PM
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Lemuel
Posts: 14477 - Karma: 10,515
The best way to prevent knee injuries is to stick to your actual din setting according to the chart. No one thinks you are badass because you crank your dins.
Nov 21 2018 6:39AM
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partyandBS
Posts: 3333 - Karma: 51,222
LemuelThe best way to prevent knee injuries is to stick to your actual din setting according to the chart. No one thinks you are badass because you crank your dins.


Ehh.... I mostly agree. I was in a bowl and mobbing through some chop and ejected when I shouldn’t have and I have given it an extra few cranks ever since. The chart is a great guide for your average skier and even most aggressive skiers but there’s no chart perfect for everyone.

Also, funny side story, I got a mount once at slope style Breck and I didn’t want to come off as a cocky douche so I put 2 down on the ability cause I’m sure people way better than me roll through there all the time and I went up to Breck to get an EpicMix pic doing a nose block to show off the base of my new skis. The din was at like 7 from the chart so when I went to nose block I instantly double ejected to my face. Haha. So now I say 3+ . . . Because I am the best skier on the mountain /claim
Nov 21 2018 9:14PM
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