The scapula. The transfer of force; Legs and hips = Motor, Rigid spine = transmission. The trapezius. The latissimus. www.crossfit.com www.startingstrength.com www.startingstrengthwiki.com
Defining "parallel" and the 3 angles that establish the barbell back squat. Watch the entire 12 min. video in the November 2007 Crossfit Journal. www.crossfit.com...