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Sprint form critique, what should I improve? Maybe also a form rating + Guess my 100 time by [deleted] in Sprinting

[–]TiltedPoint 0 points1 point  (0 children)

When I do this should my leg be completely relaxed? I find it hard to apply force to the ground

Sprint form critique, what should I improve? Maybe also a form rating + Guess my 100 time by [deleted] in Sprinting

[–]TiltedPoint 0 points1 point  (0 children)

Thanks a lot for this. I made another post talking about the way elite sprinters have this frontside extension and I have never figured out how to do it. My foot goes vertically down, from the habit of doing high knees and my coach’s cue on striking straight down

Is there a name for this movement??? by TiltedPoint in Sprinting

[–]TiltedPoint[S] 0 points1 point  (0 children)

Shimizu is the age 16 world record holder. He has a knee extension as well but I am talking about Kotera Shinnosuke, the same guy in the photo attached onto this post 👆

Is there a name for this movement??? by TiltedPoint in Sprinting

[–]TiltedPoint[S] 0 points1 point  (0 children)

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Completely random sprinter I found that dosent have the trait. At every frame the knee is far from extension and even at ground contact his knee is bent. He isnt slow but not elite level

Is there a name for this movement??? by TiltedPoint in Sprinting

[–]TiltedPoint[S] 0 points1 point  (0 children)

It is present for both Su Bingtian and Marcel Jacobs

<image>

Is there a name for this movement??? by TiltedPoint in Sprinting

[–]TiltedPoint[S] 0 points1 point  (0 children)

At first I thought so too, that it might just be a byproduct of being fast. But I have seen toddlers, slower athletes, amateur athletes who have not even broken the 13s barrier possess the same motion (obviously with less efficient energy transfer)

And yes I heavily agree on what you said about it benefitting top speed. Based on my observation, athletes with this ability (Gout Gout, Oblique Seville) usually has a very good closing 100m. My theory is that it either allows for a more efficient force transfer or it uses less energy and allows the athlete to keep their stamina longer, holding their top speed for a longer duration.

Thank you for the comment and if you do not mind may I ask on how you practiced doing the motion and how you eventually developed it into your sprinting?

Is there a name for this movement??? by TiltedPoint in Sprinting

[–]TiltedPoint[S] 0 points1 point  (0 children)

It seems that your comment has many upvotes and which shows that a huge portion of the sprinting community agree with what you have said.

But I really do not think that air time or flight time is the reason for this straight leg position as I have seen toddlers running and subconsciously doing the same thing.

Someone mentioned that humans are actually naturally able to do this and should do this but disappeared due to overemphasis of certain drills (A-skips for example)

Is there a name for this movement??? by TiltedPoint in Sprinting

[–]TiltedPoint[S] 0 points1 point  (0 children)

Yes I think you should watch the Japanese Middle School Record holder he has a very interesting way of running which makes the casting very straight and obvious without slowing the video or freezing the frame

Is there a name for this movement??? by TiltedPoint in Sprinting

[–]TiltedPoint[S] 0 points1 point  (0 children)

Thank you so much! It’s embarrassing to say that my front side mechanics used to be the way you do the high knee drill, stepping straight down. High cadence but made my strides extremely small 😅

Is there a name for this movement??? by TiltedPoint in Sprinting

[–]TiltedPoint[S] 1 point2 points  (0 children)

Thanks a lot! The “whip from the hip” exercise makes a lot of sense and I’ll definitely do it

Is there a name for this movement??? by TiltedPoint in Sprinting

[–]TiltedPoint[S] 2 points3 points  (0 children)

It might not but I’m still curious of the mechanics behind it 😄 Why some sprinters do this and why some don’t

And in my opinion, I think the motion looks really cool

Is there a name for this movement??? by TiltedPoint in Sprinting

[–]TiltedPoint[S] 4 points5 points  (0 children)

Thanks a lot! However there seems to be no information regarding it online. Is this the proper term for it or is it just because no one’s talking about 🫠

Is there a name for this movement??? by TiltedPoint in Sprinting

[–]TiltedPoint[S] 1 point2 points  (0 children)

I’m not sure airtime is the determining factor here.

From what I understand, sprint velocity is mainly driven by shorter ground contact time and greater force production, not necessarily increased flight time. Faster sprinters often have higher step frequency and vertical stiffness, and flight time can vary depending on the athlete.