Study of Sprinters' and Distance Runners' Leg Action

  Рет қаралды 75,889

CoreAnalystTV

CoreAnalystTV

11 жыл бұрын

We use ultra-slow motion to slow the action down 128 times, and compare how sprinters and distance runners plant their feet in detail. The video shows the importance of high knees and the perils of back kick ('leaving the leg behind').
This affects the use of the hamstrings and glutes (gluteus maximus), and explains why runners can be vulnerable to tight hamstrings. We all have something to learn from sprints coaches!

Пікірлер: 28
@xube100
@xube100 6 жыл бұрын
By the time i figured out who are sprinters and who are the distance runners, the video finished playing.
@pete_shand
@pete_shand 2 жыл бұрын
This is incredible reference for animators, thank you very much!
@kathoden135
@kathoden135 2 жыл бұрын
Goldmine I tell ya
@imalamboman12
@imalamboman12 4 жыл бұрын
D has some serious front line fascial restrictions tugging him down. A has the best gait for but the arms could be sequences better.
@faranume01
@faranume01 6 жыл бұрын
Excellent video.
@GreenMonsterMurmur
@GreenMonsterMurmur 9 жыл бұрын
Great video but I think you might confuse a lot of runners by comparing sprinters to distance runners (though you don't say what distance that is). I know your point is correct use of the hamstrings but in distance running you need to lengthen your stride by extending your legs out the rear while maintaining an ideal cadence. Runner C's form is not very good all around I agree but runner B's is not that bad. If he focused more on his lean, which is pretty good, and kept his feet landing behind his center of gravity it would help. Since you have them running on grass (?) it is hard to see their point of impact but to me runner B is doing ok. The key really is the cadence- if a runner is not up to full cadence (steps per minute) there is no need to extend the rear legs for ANY distance. But if max cadence has been reached then the only way to go faster is to lengthen the stride out the back, hence runner D. I agree overuse of hamstrings is not good and as a distance runner I know it is a challenge to consciously engage the glutes at lower speeds. It is a balance of heel lift, knee drive, stride length and cadence. Well made video I would like to see some like this of 5K racers.
@malaka1212
@malaka1212 9 жыл бұрын
GreenMonsterMurmur I recommend a book for you to read, if you haven't already heard of it entitled 'Born to Run' by Christopher McDougall. This book is a true story and also brings to light many of the basics and intricacies of proper running, as well as the history of our evolution which forced us to become such amazing distance runners, as a species. Did you know that modern 'running' foot wear, ie Reeboks, Nikes etc which were invented in the 70s actually serve only to cause injury? They go against the very design of our body and leg/foot structure by adding a huge padding to our heel, which in turn forces us to heelstrike every stride. This is the worst byproduct modern apparel has served us yet it is the most widely adopted by people who, by simply joining the herd, don't know any better. Also, you are quite mistaken in thinking runner B has a decent gait. I think he's actually the worst. Why? Watch his head compared to the rest of them. He is literally 'bouncing' himself upward with every stride, like a kangaroo. He is literally jumping as he runs. With every single stride from the foot on the ground you can clearly see him pushing himself off the tarmac with the leg beneath him. If we had a name for our worst enemy, it'd be named 'gravity'. It takes up massive amounts of energy to repeatedly lift ourselves off the ground due to our weight and the Earth's pull on us. Why would you try to go up, when all you're trying to do is go forward? Very bad form in B.Compare him to the rest, even C, although his technique is also deeply flawed simply due to the fact that both him and B are both heelstrikers. But at the very least, he's not doing a pogo-stick impression as badly as B.Next time you go out for a run/jog, find some grassy area which you know is clean. Take off your shoes and begin your distance. Notice right away, your heelstrikes, any ANY speed, are history. You are now landing every step with the balls of your feet. Instantly your body and legs adjust to their natural running form which NEVER required the silly excessive foot-padding which are today's cross-trainers and running shoes. It's a trend which should have never been born, those stupid shoes. There is hope however, many manufacturers have finally opened their eyes and designed and developed running shoes which are more like skins which wrap around your foot, which promote proper landings as nature intended for us. Ditch your running shoes, save your knees/hams and increase your energy.Thank me later.
@GreenMonsterMurmur
@GreenMonsterMurmur 9 жыл бұрын
malaka1212 Yes I have read it, worst book ever. Load of exaggerated crap.
@lawrence18uk
@lawrence18uk Жыл бұрын
​@@malaka1212Agreed. I too fairly early on tried barefoot running. You can see the sprinters are wearing shoes with much less (any?) heel padding. I think you want to get the maximum bend in the ankle joint , to get the ball of the foot to come up as high as possible, to use that spring in that joint and to develop springiness ( I think that comes from the tendon rather than the muscles IDK?) if you've got too much heel padding you can't do that because it keeps hitting the ground... you need to let your physical heel come down as far as possible so heel padding simply gets in the way. (sorry I'm not being very clear. But the speed runners clearly have greater foot flexion.) You are so right, the shoes you wear are very important. I was actually recovering from a foot injury a broken metatarsal and the barefoot shoes allowed my foot to feel the ground and strengthen the inner joints within the foot. Ordinary footwear also caused my toes to be jammed together which was the consequence of the padding which deforms to make a u-shape, causing the toes to be squeezed together. barefoot shoes remained flat, and allowed the toes to spread out. Moral: start your running barefoot on safe grass and you'll create a spring in your step.
@lawrence18uk
@lawrence18uk Жыл бұрын
Hmm. Can you make a video focusing on effect of different shoes? 😊
@tommyharris5817
@tommyharris5817 3 жыл бұрын
What camera and frames per second did you record this video at?
@qigong1001
@qigong1001 11 ай бұрын
How does the high knee “catch” the lower leg? If you are still around, can you explain this?
@RatusMax
@RatusMax 8 жыл бұрын
"You may be under-using your biggest ASSet" am I the only one who got it?
@ChErRyaVe20pK
@ChErRyaVe20pK 7 жыл бұрын
Ratus na youre just a weirdo bro
@ChaoticLifemaker
@ChaoticLifemaker 7 жыл бұрын
Yeah i got it too ;)
@StephenBoesch
@StephenBoesch 4 жыл бұрын
I did miss that
@FTStratLP
@FTStratLP 7 жыл бұрын
Sorry, but there is faulty reasoning in this video! Long distance runners have to run at slower paces in order to get through those long distances. And running slower demands a different running style. If the long distance runners would use the same style as a sprinter they would ending up running the same high speed as the sprinter. But this is of course not desired by a long distance runner. The running style of a sprinter is much more tiring, so nobody could stand it over 10K or a half marathon or a marathon.
@krispiros7941
@krispiros7941 5 жыл бұрын
Sorry to break it to you, but you are horribly wrong. Look at Scott Jurek`s running form. He is mid-foot and front foot striker, while running 100+ miles. The best Kenyan distance runners are also doing the same thing. Knee drive with great foot action. Please, do some research before you speak nonsense from behind a fake name. If you want credibility, be authentic and show your face, and coaching credentials. Thanks. Here is a start to help you: kzfaq.info/get/bejne/gtyne6ST1eDGppc.html
@SpokoSpoko
@SpokoSpoko 3 жыл бұрын
@@krispiros7941 your link is to unavailable video and you are quite aggressive in your opinion and judging people.
@dudeman209
@dudeman209 5 жыл бұрын
Watching those distance runners makes me cringe at the impact of their heels smashing on the ground first with their knees behind their heels. It essentially shifts the load from the glutes (a muscle) to the knees (a joint). That will lead to a lot of repetitive stress injuries over time.
@StephenBoesch
@StephenBoesch 4 жыл бұрын
Yes this video did a v good job of demonstrating the effective style of sprinters. I have bad glutes injured all the time so it makes me sad to not be able to put it to work.
@mckinley33
@mckinley33 3 жыл бұрын
Great video
@mythrin
@mythrin 8 жыл бұрын
The first sprinter actually doesn't have exactly good sprint form. The second sprinter does, but he makes fists which means he isn't too experienced with sprinting. The first distance runner seems to keep a better posture than the other, the second distance runner will break his spine one day.
@therealg4197
@therealg4197 7 жыл бұрын
Mythrintia nothing wrong with that when I run my fists are like that but it doesn't mean they are tensed you can tell if they are tensed or not just by watching
@therealg4197
@therealg4197 7 жыл бұрын
Mythrintia and how on earth is the first sprinters form bad
@mythrin
@mythrin 7 жыл бұрын
the realG My bad I just saw fists and assumed they weren't relaxed.
@mythrin
@mythrin 7 жыл бұрын
the realG I wouldn't say it's bad now, it just needs improvement. I know being relaxed is good, but the way his hands bend would make his legs unstable at the same time. Also I didn't take into consideration his height and leg length so I thought his form was a bit off, same thing with Bolt.
@therealg4197
@therealg4197 7 жыл бұрын
Mythrintia oh yhhh now i see what you mean totally true I think tall sprinters with short torsos look like their form is off sometimes
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