Osteopathy therapy for sinusitis. Therapist using osteopathy techniques on a 12-year-old boy to drain his sinuses in a case of sinusitis. Osteopathy uses massage and manipulation to treat a range of disorders, based on knowledge of the musculoskeletal system. Here, pressure with the thumbs is being used to help clear the paranasal sinuses. These are a set of membrane-lined air-filled spaces in the bones of the face. Here, pressure is being applied to the bones of the nose, in the region of the ethmoidal sinuses, and to the cheek bones, where the maxillary sinuses are located.