here is a classic rippetoe gets it wrong video
http://www.youtube.com/watch?v=yha2XAc2qu8
he is advocating driving the squat from the hip and not keeping the chest up. He is close on getting you to good morning instead of squat. Hip drive is essential but should be done by driving through the glutes and posterior chain not through keeping the chest down and just moving the hips up first.
http://www.youtube.com/watch?v=yha2XAc2qu8
he is advocating driving the squat from the hip and not keeping the chest up. He is close on getting you to good morning instead of squat. Hip drive is essential but should be done by driving through the glutes and posterior chain not through keeping the chest down and just moving the hips up first.