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Just assume player A has a lot more upper body strength. Who wins?
That's very interesting. Could this unracking thing make you become more aware of the hips if that makes sense? (like the iso stim does).
What if it's reverse. The strength is there, learning and being willing to apply it TO THE FIELD is an entirely different issue (think CoolColJ).
Since you like to use weight lifters as examples. Powerlifters are generally stronger than olympic lifters. Olympic lifters can probably front squat and power clean more. Does this make them stronger? No. it means they got good at front squatting and power cleaning more through years of practice.
I read Brets' book and while I applaud him for attempting to take a scientific approach to his research about glute involvement I am pretty sure that most of his EEG research was conducted on a sample size of 1 - Bret Contreras. Now obviously Bret has written a book about glute involvement in athletic movements, in particular sprinting, and this may have meant some bias in the either the way he performed the exercises or the way he interpreted the results.
I am not discounting his work at all by the way, I am just saying it needs further study with a broader range of subjects before I would abandon deads etc in favor of heavy glute bridges or whatever he calls them.
in my own training programs I find them good as a warm up to squats and deadlifts but not as a replacement.
The second biggest mistake is that they fail to perform the best glute exercises. Squats will work the glutes in the stretched position, deadlifts will work the mid-range position, and hip thrusts will work the contracted position. You need all three for optimal glute development, plus some abduction and external rotation work to hit the upper glute maximus and glute medius.
those analogies are bad..
Now chop a sprinter's dick off & run..
Now remove the hands from a sprinter & run..
same shit, bad analogies.
Skinny looking elite sprinters are still very strong. Just because they look skinny doesn't mean they're weak. Jonathan Edwards was still powercleaning 150kg at 72kg 183cm.
Stocky looking elite sprinters are INCREDIBLY strong: http://www.youtube.com/watch?v=L9TG3hpUkA8&feature=related
I agreed with all the stuff on muscle involvement in vj and sprints etc but after using heavy hip thrusts for a month or so in as a substitute for deadlifts I would never replace axial loading stuff with anteroposterior exercises, even for sprinting. They certainly make good accessory/activation tools though.
I would estimate that for most individuals around 30% of the locomotive propulsion in top speed sprinting comes from the glutei maximi, followed by 15% hamstring contribution, 15% adductor contribution, 15% contralateral latissimus dorsi contribution, 10% quadriceps contribution, 10% calf/soleus contribution, and 5% contribution from other muscles such as the rhomboids and mid traps.
