This exercise works the hamstrings, lower back and
glutes.

Start with the same body position as the start of a
full squat.  With the head and chest up and the lower
back in an arched or flat back position, push your
hips back while maintaining a slight bend in the
knees.

The bar should remain over the feet and move
up and down in a straight line.  You do not lean
forward with the weight but instead push the hips back
while maintaining your lower back position.  Go as low
as you can while maintaining your arched or flat back.
 If you feel your back having to round, you are going
too low.

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