Performance Area > Article & Video Discussion
Vertical jump hang time calculator web app
CoolColJ:
So I have been loading videos into this web app that allows you precisely tag takeoff and landing points of a video and calc hang time and vertical etc.
https://www.thehoopsgeek.com/measurement-app/#!
And a lot of jump mat videos are so inflated it's crazy.
That 47.1 vertical vid from a football combine is only 41 or so inches based on hang time...
I wanted to measure a lot of popular vids, on Youtube and instagram but they tend to slow mo the jump after takeoff... blah...
Clarence's jump back when he was 80kg, with that 200kg squat is a legit 40 inches or so on the app. Not bad for a non vert training person.
http://www.youtube.com/watch?v=8TFxoNvvsxM
another vid I tried was Rugter's Dunker's vertical on a vertec, which was supposedly 40 inches, I only got 30 inches....
vag:
^^^^
Someone who trains to a 2.5*BW ATG squat, for whatever reasons, using whatever methods, with whatever other variants, either he knows it or not, he also trained himself for(to) a top-class vertical jump too.
;D :lololol:
CoolColJ:
--- Quote from: vag on May 28, 2020, 11:10:48 am ---^^^^
Someone who trains to a 2.5*BW ATG squat, for whatever reasons, using whatever methods, with whatever other variants, either he knows it or not, he also trained himself for(to) a top-class vertical jump too.
;D :lololol:
--- End quote ---
Clarence was more an olympic lifter back then and did a bit of tricking, but I doubt he practised running jumps as much as BBall players/aspiring dunkers do :)
ChrisM:
I was looking at that site last week! Your thoughts on accuracy in regards to your own jumps/vids?
CoolColJ:
--- Quote from: ChrisM on May 28, 2020, 01:37:46 pm ---I was looking at that site last week! Your thoughts on accuracy in regards to your own jumps/vids?
--- End quote ---
Pretty close, but with lower jumps and 30fps the swing to either side of the measurement is quite a bit larger. Most are within 2-3 inches
Also I think timing from feet flat to feet touch landing is more accurate as the toe off adds jump height
see
--- Quote --- The analysis might underestimate your vertical jump if you take off and land on your toes.
--- End quote ---
Since I land on my toes, this under estimates my jump a bit.
It matches up for me when I time from 1-2 frames before my feet leaves the ground and flat feet landing
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