Search found 1856 matches

by dj
Fri Aug 08, 2014 2:16 pm
Forum: Pole Vault - USA Elite
Topic: Jenn Suhr injured when pole breaks in practice
Replies: 9
Views: 22326

Re: Jenn Suhr injured when pole breaks in practice

Using the WRONG pole!!


dj
by dj
Wed Apr 09, 2014 9:02 am
Forum: Pole Vault - Advanced Technique
Topic: Timing of the PULL
Replies: 38
Views: 57711

Re: Timing of the PULL

It's simple.... The swing starts as the plant/takeoff ends... Data... The best vaults in the world ONLY take .50 or less of a second to reach a "flat back" position in the swing after takeoff.. The best vaults have a time of 1.47 or less for the full vault from takeoff to max COM above the...
by dj
Sun Apr 06, 2014 9:03 am
Forum: Pole Vault - Advanced Technique
Topic: Physics Based Critique of the Petrov Method
Replies: 89
Views: 115341

Re: Physics Based Critique of the Petrov Method

He was out 50cm at the six step mid!!! Not at the takeoff... You can't draw your conclusions from the takeoff point alone!!! 100% of what happened at the plant/takeoff was controlled by what happen BEFORE that point... Coaching is about determining the "cause" and that can only happen corr...
by dj
Wed Apr 02, 2014 10:43 pm
Forum: Pole Vault - Advanced Technique
Topic: Physics Based Critique of the Petrov Method
Replies: 89
Views: 115341

Re: Physics Based Critique of the Petrov Method

2. The cause of this happening according to Renaud's explanation was that he was 50cms under on the approach run ie., 50cms too close to the box when the pole impacted it.


This is miss information.... He was 50cm OUT at his mid

Dj
by dj
Sun Mar 16, 2014 9:14 am
Forum: Pole Vault - College
Topic: 2014 NCAA D1 Women - Petrillose 4.60 CR
Replies: 1
Views: 9342

Re: 2014 NCAA D1 Women - Petrillose 4.60 CR

Five sophomores in the top ten.... Great job

Dj
by dj
Tue Mar 11, 2014 8:46 am
Forum: Pole Vault - Video Review
Topic: 19 feet pro's/con's
Replies: 6
Views: 6061

Re: 19 feet pro's/con's

Good morning, I know this is a very good jump... And one that I have studied and have the data on I posted to get real feed back from you, as coaches, to we could better understand the info we are posting.. So many times, most of the time, we are saying the same things with a slightly different verb...
by dj
Thu Mar 06, 2014 1:55 pm
Forum: Pole Vault - Video Review
Topic: 19 feet pro's/con's
Replies: 6
Views: 6061

19 feet pro's/con's

http://www.youtube.com/watch?v=uA7Dapjsh9A

19 feet --- pro's and con's

16-1 grip.. 55/56 mid standards back..

don't concern yourself with the wind, which allowed him to run faste, ... just the physics of the jump

thanks

dj
by dj
Sat Feb 22, 2014 6:18 am
Forum: Pole Vault - International
Topic: RENAUD LAVILLENIE WORLD RECORD 6.16!!!!!!!!!!!
Replies: 81
Views: 47626

Re: RENAUD LAVILLENIE WORLD RECORD 6.16!!!!!!!!!!!

I've read the same report from Debbie, I just don't see it. Even with the crappy quality from youtube (downloaded, run through Ubersense, and zooming in), should we be able to see a 2 feet difference. i agree i can't see it from the video.. this was the point i was trying to make... to really know ...
by dj
Wed Feb 19, 2014 1:58 pm
Forum: Pole Vault - International
Topic: RENAUD LAVILLENIE WORLD RECORD 6.16!!!!!!!!!!!
Replies: 81
Views: 47626

Re: RENAUD LAVILLENIE WORLD RECORD 6.16!!!!!!!!!!!

As I have said many, many times… it is extremely difficult to know, especially with world class vaulters and long jumpers for that matter, from sight or video, if the run is "OFF" unless you know the exact (within a few inches forward or back) "MID" and the speed/MPS or time for ...

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