PREPARATION
1.Keeping you back flat, bend your
  knees and bend forward from the 
  hips.

2.Take an overhand grip on the 
  bar, shoulder width apart. 
  Raise the barbell off the floor
  and breath in.

EXERCISE
1.Breathe out as you draw the 
  barbell up to your lower chest. 
  Use a slow, smooth motion.

2.Hold briefly, then slowly lower 
  back to arms length.

To avoid back injury, good 
technique is vital. Maintain a
flat back, and avoid using too
heavy a weight.

MAINLY FOR: Latissimus dorsi.