[QUOTE=james colbert] one method of teaching proper activation patterns are extreme isos. seems a little couterintutive but ive personally seen the tranference from an iso lunge to a sprint or an iso push up to a bench press (when it comes to getting in the proper postion). this is work that most people arent willing to do to be honest. ive told a few people on this board how to perform them, they say they will and i never hear back from them lol it is extremely painful work… extremely.
QUOTE]
Funnily enough, I tried the Iso-lunge holds that you prescribed to me in the “best hamstring injury preventor” thread several months back.
However, my vertical jump was lower than usuall the next 2 days becuase the iso-holds had taken a lot out of muscle. (I do a vertical jump test to asses my leval of c.n.s and p.n.s resources for a training session.)
I did not recover as quickly from these iso-lunges as from other training methods, my legs felt heavy and they had sapped my leg strength is the best way I can describe the feeling I had in my thighs the next 2 days. I then read somewhere else on the site that isometric training had no benefits to sprint speed. Those two reasons combined are why I stopped doing the isometric holds.
Still, I’ve no reason to doubt that you saw a posative cross over in to your sprinting from extreeme isometric lunge holds. That is your experiance.
How long had you been doing them before you saw the cross-over effect?
Also, was the cross over effect a deffinate improvement in sprint times or just a more powerfull feeling when running?
It is very easy for the sprinter to miss-interpret the feeling of greater power to deffinately be greater speed. As an example of this, I remember doinga type of kettle bell lift that really increased the power of my forward arm drive. when I sprinted I felt great power in my arms, I was convinced I was running faster. Lol, come testing day, I timed myself and was not even slightly faster than before. This is not an atack on your post and i deffinately agree with your phillosophy that we must try to better the methods that have been used in the past. We will get mixed results with this aproach, but it is better than the alterative of completely copying some one elses method and never quite knowing if there was maybe perhaps a slightly better way. (I also respect Charlie a great deal.)
However, I must repeat my questions;
How long had you been doing the iso-lunges before you saw the cross-over effect?
Also, was the cross over effect a deffinate improvement in sprint times or just a more powerfull feeling when running?