interesting, but the study only measured the 400 free. I think increased kicking helps sprinters more. And, putting freestyle aside, I'm convinced that practicing SDKs certainly helps fly and back. If you use SDKs in races that is.
interesting, but the study only measured the 400 free. I think increased kicking helps sprinters more. And, putting freestyle aside, I'm convinced that practicing SDKs certainly helps fly and back. If you use SDKs in races that is.
