I don’t know exactly where this concept came from—that they are essential to athletes’ being explosive and strong. I do know that this concept has grabbed on tight and locked into the heads of coaches for decades. I say let’s cut to the chase and trim the fat.

I don’t know exactly where this concept came from—that they are essential to athletes’ being explosive and strong. I do know that this concept has grabbed on tight and locked into the heads of coaches for decades. I say let’s cut to the chase and trim the fat.