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Pics, Videos, & Links / Re: If you're serious about improving your jumping, you should bookmark Joel's site
« on: March 27, 2012, 09:02:38 am »I've heard people say that sprinting is also isometric in nature, maybe due to short ground contact time. don't have links
That's because it is, but once the top speed is achieved. That's why a top speed sprint is closer to the one leg jump while the acceleration part of a sprint is closer to the two footed jump (where voluntary concentric power is important).