My girlfriends and I just started doing plyometrics. It's a killer - it hurts so much. But when you walk out of there, you're like, 'I can't believe I just did that and my body looks this good. — Kelly Osbourne Copy Share Image
If you're doing Plyometrics you can jump higher and run faster and your heart and lungs are going to kick the panties off of anybody else that tries to get out there without it. — Tony Horton Copy Share Image
