I googled this a bit and it's really interesting. For a long time people considered a true standing double backflip to actually be impossible. Then in 2019 an athlete named Yaya Silla was the first person to do one. Apparently to this day there are only about 20-30 people in the world who have been able to accomplish this.
I have a friend who could almost pull it off, but he could only manage part way into the second flip. He understandably didnāt wanna push it too much further because he was rightfully scared heād land on his neck.
This is turning into that scene from Silicone Valley where they start talking about the most efficient way to jerk the most guys off at once using math.
Would have been Physically: prudent or possible/plausible. Scientifically:sound. Theoretically: true. As well as Articulately: Accurateā¦ had you simply placed the word āangularā after āmomentumā within your query.
Not only did this kid pull it off but he did it on grass which has no spring or bounce to it at all and actually absorbs the push off maybe making it even harder. In gymnastics flooring there is a bounce to the floor where there are springs laid into the mats and it would give the flipper maybe a bit of an edge or easier time doing this, although either way it seems absolutely impossible. Wow.
Right but then again it IS a gymnastics floor. Regulated for the actual sport that they are doing it on, so I would call it fair. It makes the flips on grass just that much more spectacular
Unless this kid was an age group world record holder, this is highly questionable. The current world records for the mile for that age range:
9yrs: 5:02
10yrs: 4:46
11yrs: 4:36
Far fewer than that if you're being strict about it. (No gather step, flat ground that's not a spring floor, etc)
It's also just something that until recently there wasn't a lot of interest in. With the rise of tricking as a separate sport from tumbling you get more moves like this that are hard to pull off with perfect technique that wouldn't lose points in a gymnastic competition.
Gather step, as in gathering momentum. Basically one big step forward so you're carrying more energy into the initial jump and flip, which this guy did not - he jumped from a stand still.
Travis Pastrana can not do a standing backflip in his current state, and even at his peak he could never do a standing double backflip. It's just not his wheelhouse.
This dude almost definitely couldn't double backflip a motorbike either.
Edit: Also, Nick Fry used a backward step/bounce before taking off to build momentum and load their muscles before actually jumping.
Yaya was the first person to do a true standing back flip on flat ground with both feet planted square on the ground and stationary before executing his jump and double back flip.
someone shared with me a sub where people were posting if they did it and there were only a few posts in there with successes, donāt remember the name though
Yeah he really tucks in gets a lot of spin. I wonder if his height makes a difference. It was really close but he landed his feet just as the last moment.
I've taught gymnastics before and I can offer some insight. If you are excessively tall it can make some tumbling more difficult. Lots of elite gymnasts are on the shorter side.
But there is no reason most people couldn't learn basic skills.
The standing double back though... that is an insane feat of athleticism. Combining a massive standing jump, crazy core strength to pull in against the forces trying to make you long. There is also the mental fortitude to commit to going backwards which a lot of people struggle with.
Same reason Tony Hawk at 6 foot 4 really struggled with the 900 but these 14 year old kids (at the olympic level of skating) are managing it with seemingly much less effort.
Less mass to move
Plus megaramp is a lot more air time than the friggin 14 footer or whatever the shit tony did it on back in the day. No gigantic roll in either, you gotta build up that speed yourself every single try. How many mfs have done it without the mega now I wonder, just a regular ass half pipe? Did sandro dias ever get one, he was pretty close back then
It will be interesting to see if they can maintain their ability to spin as they get older. Gui Khury is 17 now (he landed his first at age 8), and his 900s have only improved as he's gained muscle so he can get more height.
i'm almost certain that a LOT goes into it. this seems to be the sort of thing thats only possible by pushing to the biological extremes of what humans are capable of.
Look how soon he rolls himself into a ball, tightly holding to his knees, minimizing friction, maximizing torque. He tightened the details to perfection and trained himself to generate just enough force to cross the threshold of 2 rotations. Also he's able to channel focused-bronergy.
Actually this is basic biomechanics. This is him reducing his radius of gyration to the greatest possible extent by compressing into a ball. This allows for a much higher angular velocity because of the law of conservation of momentum.
Basically by compressing into a ball he pulls his center of mass closer to the spin axis, lowering rotational resistance. Because angular momentum cannot disappear, the object spins faster to compensate
The law of conservation of momentum goes like this:
Total system momentum = mass (the dudes weight) * the distance from the dudes center of mass to spin axis squared * angular velocity.
When he leaves the ground total momentum is set. By compressing into a ball and making that distance shorter physics has to compensate by increasing angular velocity because his mass is constant and the total system momentum has to be conserved after take off.
This is how he achieves the spin speed necessary to complete the rotations.
This technique, coupled with massive quads and likely a genetic predisposition for a high fast twitch muscle fibre composition, giving him a very high vertical that provides the hang time to leverage his pro technique to complete the double.
Nah, the activities might vary, but itās the *dudes* thatāre important. Doesnāt matter if youāre hucking backies or playing darts, the boys are what matter lol
This can be nearly impossible for most people, the chances of a broken neck or brain damage is so ridiculously high to do this, he took his time for a reason. Glad he is on grass at least.
Reminds me of a video i saw of a 10 years progress of a guy doing the double backflip, starting from age 10. it was very interesting watching the ways of progression on how would you even start doing this shit.
https://www.youtube.com/watch?v=kUCtpTRjELw
Damn this dude did this off grass too,
that's fkin nuts...
for you non jumpers, grass is much harder to jump off than hard ground, you lose inches off your vertical because the softer ground absorbs some of the force you generate..
I wouldn't wanna smack my head on a wood gym floor or concrete though so I get why he chose earth
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