Position the barbell across your traps, step back and have feet shoulder width.
Bend your knees to approximately 90 degrees.
Extend back up to the start position and repeat.
Knees caving in past big toes.
Using momentum to drop down.
Bending the back.
Stand straight with a slight bend in the knees.
Hinge forwards, where the weights go down to your mid shins.
Hinge back upwards to the start position.
Arching the back.
Bending the knees too far forward.
Rushing repetitions.
Lift legs to 90 degrees, engage core. Mistakes: Using momentum, not engaging core.