====== Orthosis ====== An orthosis (Greek: ortho, "straighten" or "align"; Plural: [[orthoses]]) is an externally applied device used to modify the structural and functional characteristics of the neuromuscular and skeletal system. An orthosis may be custom-made by a specialist or prefabricated and available over the counter. see [[Helmet]]. [[Orthotic Brace]]. [[Spinal orthosis]].