... the blood circulation. 7.Our fitted sheet can relieve pain caused by illness,such as osteoarthritis,lumbar muscle strain and ... joints and muscle pain. The fabric do not irritate the skin, not ... , open wounds, and not for children.2.Indications on function Back Pain, Arthritis, Fibromyalgia, Rheumatoid Arthritis, Muscular Diseases, Disc aDisease, Sciatica ...