PMR, PMR often called, is a disease that causes pain, stiffness and limited mobility in the neck, neck, shoulders, arms, hips, trunk, pelvic girdle and thighs. This condition, of unknown origin, suffer only people over 50 years. The pain, which does not cause swelling appears after rest, usually overnight. Likewise, inactivity, such as a long car ride or prolonged sitting in one position can cause back stiffness. It is also very common that patients have trouble lifting the upper arms above the shoulders. Today the most effective way to attack the PMR treatment are corticosteroids in low doses.