Charlie,
My points argue the relative importance of upper body to sprinting. Also, i don’t have to do detailed studies of every single sprinter to offer generalisations made from my observations and from paying attention to what I hear, read and inquire about.
Yes, some comments are generalisations that do not always stand up. However, i will again declare that of the 20-30 people I have personally known that have run under 11 seconds regularly, only one got less than 2.90m. He got 2.88. Having said that, probably 5-8 of the sub-11.0 runners I know did get around 2.90+ which would make my claim a slight exageration. Sorry for not being precise. Of course, there is no direct correlation between standing long and 100m. As I have said on several occasions, it is only a test which illustrates one component of the 100m race (leg power).
However, I still believe that certain upper body exercises have little relevance to sprinting. Hence, I will provide another way of explaining my point through Olympic lifting on the basis that upper body strength, notably bench press or military press, should have similar relevance as sprinting. After all, extending one’s arms overhead does have some correlation with the jerk.
I used to train with an Olympic Games silver medalist in the 1984 OG (200kg clean and jerk). I can tell you that he could barely bench 125KG. Of course, there are other Olympic lifters who are extremely strong up top. However, i believe my point stands. Your legs are by far the most important mucles in the drive of the bar above your head. That is why people with relatively weak upper bodies will still lift huge weghts. If upper body is an essential factor, then the guy would never had lifted 200kg. I knew many lifters who were national champions with relatively weak upper bodes in terms of pressing ability.
Of course, a reasonable amount of upper body strength is important for sprinting, especially acceleration. I have said this already. I too do lots of upper body weights and callisthenics and want to look reasonable and so on. I am just expressing ‘my’ belief that some exercises, such as bench, are overrated.
Another way to look at the debate is through the greatest track athlete in Olympic history in terms of gold medals, Carl Lewis. He did run 9.86 and has top speed comparable to anyone.
I have heard many stories that he does weights, he does not do them, he has benched 140kg, he is weak up top. You don’t know what to believe. Nevertheless, I believe it is safe to assume from his physical development that his leg power is exceptional as evident from his lower body development, and that his upper body strength would be matched by many ordinary club athletes including myself. I don’t know this but I make an assumption that I am prepared to live with.
I also know what Linford Christie (9.87) could lift lift for upper body weights from friends who trained with him. I assume from what i have been told that my bench of 167.5kg (ass on bench and little bouncing) is at least on a par with him, yet I can only dream of hopping five high hurdles on either leg as he did before my eyes.
Clearly, leg power is by far the most important strength characteristic of a sprinter.
Again, I would be interested to know what ben Johnson lifted for various exercises when he was a 10.25 runner.
Sloth, thanks for pointing out my struggle to comprehend differences between size and strength. Well I have to say i do not have any confusion. I do not believe that someone can improve their strength without improving their size. I am sorry that this generalisation may disagree with some scientific articles. I will argue that lifting bigger weights at a similar weight is more likley to be explained by reduced bodyfat, as long as technique and skill for lifting that weight remained consistent. Take Ben for example, an experinced lifter. He improved his strength considerably between 1984 and 1988 and his weight increased from 73 kg to 79 kg. He also looked much bigger. So again, I repeat my belief that I wasted my time on getting stronger up top when I should have devoted more energy to my lower body strength. In other words, I believe that I would have run faster weighing 5kg less if I had paid less attention to upper body. Perhaps a 130kg bench would have been sufficient instead of 167.5. It may have been only half a second but it would still be significant. Fair point?