Opportunity is missed by most people because it is dressed in overalls and looks like work. - Thomas Edison
I have Sciatica but after a month and a half of stretching and sit ups it has subsided considerably
Be sure your distance and angle ratio from press to dryer is optimum. Whenever I drop a new press line in its always 25" and no more than 45 degree turn. Anti fatigue matts a must. If it were my back I wouldn't be embarassed about the brace.
Don't neglect your core in your workouts.