Abadi RV, Whittle J. The nature of head postures in congenital nystagmus. nei.nih.gov/sites/default/files/nei‐pdfs/cemas.pdf (accessed 6 June 2019). The BCSC has developed from its original brief outline format, which relied heavily on outside readings, to a more convenient and educationally useful self- Tortícolis muscular congénita (TMC) “fibromatosis colli”: hematoma del músculo Congenital muscular torticollis: current concepts and review of.Congenital muscular torticollis is usually discovered in the first 6 to 8 weeks of life. It is characterized by a contracture of the sternocleidomastoid