Justin Gelband training Erin Heatherton 

Ugh I hate the sliders, all your muscles are screaming when you use them. My kickboxing instructor has us do it super fast for 30 sec, you feel sore for a week. If you want to tone those are a must have.

At 1:31 how are called those discs?

She so beautiful. She's a 10. But if she gained 5-10 lbs she would be an 11

@100dunwoody not all models are anorexic

Whats the her SPORTSWEAR LABEL NAME????