The hang clean is unweighted and is of little use to watch, except that it shows a problem known as a Donkey Kick. As the jump occurs, the heels come up in the back and then stomp back down into place. This is a terrible waste of time and energy, and contributes nothing to making the bar go up. Stop doing this immediately or I will have you killed.
Mark RippetoeYou don't get big and strong from lifting weights - you get big and strong from recovering from lifting weights
Mark RippetoeStrength is an excellent example of a physical characteristic that drives improvement in other athletic parameters. More strength means more power, more endurance, better coordination, and better everything else. This is why, all other things being equal, the stronger athlete is the better athlete.
Mark RippetoeOnly people willing to work to the point of discomfort on a regular basis using effective means to produce that discomfort will actually look like they have been other-than-comf ortable most of the time. You can thank the muscle magazines for these persistent misconceptions, along with the natural tendency of all normal humans to seek reasons to avoid hard physical exertion.
Mark Rippetoe