Post by: adarqui on March 15, 2010, 06:43:59 am
40 Yard Dash Start
Johnny Knox - 4.34 (Regular Speed)
Johnny Knox - 4.34 (Slow Motion)
Post by: ARowe on March 15, 2010, 07:41:09 pm
jk that dude was cookin.
Post by: nba8340 on March 16, 2010, 03:02:38 am
also like he has some hip internal rotation going on, maybe that's off or maybe that's a + for him, i don't know that much about how the form should be . of ccourse he did run a 4.34 so what do i know
what you think adarqui?
Post by: zgin on March 16, 2010, 02:24:54 pm
Post by: adarqui on March 19, 2010, 12:28:32 am
strange when i watch it looks like his hips are tight
also like he has some hip internal rotation going on, maybe that's off or maybe that's a + for him, i don't know that much about how the form should be . of ccourse he did run a 4.34 so what do i know
what you think adarqui?
what do you mean it looks like his hips are tight?
I don't see that?
peace
Post by: nba8340 on March 19, 2010, 01:29:13 am
after watching it again though not sure
Post by: adarqui on March 19, 2010, 01:38:34 am
it looked to me like when he brought his hips forward, they should be coming up a little higher than they are, like his hip flexors are a little tight, i would think the steps would be a little longer
after watching it again though not sure
well you could make that case possibly, if this was a 60m+ sprint.. ie 100m sprint. there he would have to focus on bringing the knees up & trying to maintain top speed, but not for a 40.
peace man
Post by: nba8340 on March 20, 2010, 01:14:00 pm
Post by: adarqui on March 20, 2010, 01:52:49 pm
so his hips shouldn't be coming up higher when he brings them forward and up, about how high should they be going when trying to get to and maintain max speed, 90 degrees?
well they are pretty close to 90 degrees throughout the entire run.. his right hip seems to get to around 90 throughout, left hip doesn't. Could just be camera angle but I doubt it.
How high the knees get is going to depend alot on hip flexibility & acceleration style. Check these vids:
http://www.youtube.com/watch?v=vf12x5WSLN8
http://www.youtube.com/watch?v=vf12x5WSLN8
In the beginning, you see bolt getting his knees up higher than tyson. Then as they reach Max V, tyson's hips flex the least, bolt's 2nd, and asafa is #1 (highest knees).