In the front rack, one of the key points to maintain is keeping your hands wider than shoulders. This allows for a more stable rack and a tighter thoracic spinal position.
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Workout
For time:
95 pound Back squat, 50 reps
50 GHD Sit-ups
75 pound Back squat, 50 reps
50 Back extensions
55 pound Back squat, 50 reps
50 GHD Sit-ups