SDK a red herring in freestyle sprinting?

This may be controversial but is SDK really mandatory for fast freestyle? Don't see much of it here, it looks like they wan't to surface ASAP: www.youtube.com/watch I know proponents will link to Phelps' 200 WR, but other than that, I don't see many people exploiting it. Will we see huge SDK in freestyle at the upcoming Olympics? I don't fly because of my back, so my SDK in freestyle is minimal. I'd like to think I don't need it. I'm keen to watch for it in elite freestyle races and it is a mixed bag. Many are fast without a big prolonged SDK.
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  • Former Member
    Former Member
    "The dolphin kick we're seeing has to be considered the fifth stroke now. I think swimming has moved to a new era, a new level. It will challenge all coaches and swimmers around the world." news.bbc.co.uk/.../6528915.stm ..."Looking at the race, Phelps gained 0.4 - 0.5 seconds off the start and after each of the first two turns — possibly more on the last turn. That equates to about two seconds in a 200 free, and ironically (or not) his margin of victory was a little more than those said two seconds." www.timedfinals.com/.../
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  • Former Member
    Former Member
    "The dolphin kick we're seeing has to be considered the fifth stroke now. I think swimming has moved to a new era, a new level. It will challenge all coaches and swimmers around the world." news.bbc.co.uk/.../6528915.stm ..."Looking at the race, Phelps gained 0.4 - 0.5 seconds off the start and after each of the first two turns — possibly more on the last turn. That equates to about two seconds in a 200 free, and ironically (or not) his margin of victory was a little more than those said two seconds." www.timedfinals.com/.../
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