The muscles that are closest to the center of the body, known as proximal muscles, tend to be affected by polymyositis the most often. These are common symptoms of polymyositis: Muscle pain and stiffness. Muscle weakness—particularly in the abdominal area, shoulders, upper arms, and hips. Hope this helps
Medicare Part D drug plans may have different benefit structures, but on average, they must all be at least as good as the standard model established by the government.