
The differences between individual lifting forms occur mainly in the mid- thoracic and the lower thoracic/upper lumbar regions of the spine. Movement execution and lifting style is also related to upper torso length, femur length relative to the lower leg and ankle flexibility.
Ascent
Grasp the handles of the trap bar
Assume a shoulder width or slightly wider stance
Retract the shoulder blades and hold the chest up
Head should become neutral upon raising
Feel pressure lateral aspect of foot
Press down with heels when raising up
Drive upward with hips
Maintain spinal alignment throughout the movement

Descent
Return head to neutral before begin the lowering phase of movement
Initiate with breaking hips
Concentrate on your hips when lowering not your knees
Maintain rigid upright trunk
Controlled descent slower than ascent
Olympic Bars Rogers Athletic