Booty Call: Interview with Bret Contreras

Nowhere will you find a more passionate defender of the hip-extending, spine-protecting, pants-holding-up muscle group known as the glutes than Bret Contreras. He's made it his life's work to give you an ass that won't quit. In this interview, I talk to him about pelvic floor dysfunction, low back pain, athletic performance, gender issues in training, and above all -- how to get glutes like gravity-defying bowling balls.