Myopathy, Sarcoplasmic Body, also known as myoglobinopathy, is related to contractures, pterygia, and spondylocarpotarsal fusion syndrome 1a and myopathy. An important gene associated with Myopathy, Sarcoplasmic Body is MB (Myoglobin). Affiliated tissues include skeletal muscle and tongue, and related phenotypes are elevated circulating creatine kinase concentration and proximal muscle weakness in lower limbs