Upper Trapezius. 1  headaches on the temples / tension headaches. 2  facial, temple, or jaw pain. 3  pain behind the eye.  dizziness or vertigo (in conjunction with the sternocleidomastoid 1  muscle) severe neck pain.  a stiff 1  neck. limited range-of-motion.  intolerance to weight on your shoulders.
Very generally, budget anywhere from $200 to $800 per room for labor and materials. The crown molding itself is typically the greatest expense, but prices vary widely: Polystyrene foam molding, the least expensive option, costs about $1 to $2 per lineal foot, not including labor.
Polyurethane is a versatile material that can be worked into almost any design. However, like MDF molding, it is prone to denting and may not hold paint or stain for proper finishing. The cost of polyurethane crown molding runs from $2 to $6 per linear foot, not including installation.