1. The genioglossus arises from the mandible and protrudes the tongue. 2. They had a large genioglossus , the muscle responsible for sticking out the tongue. 3. Hyo-mandibular advancement along with genioglossus advancement was originally described by in 1984. 4. Note that genioglossus advancement can be performed either during Phase 1 or Phase 2 surgeries. 5. Currently, maxillomandibular advancement surgery is often performed simultaneously with Genioglossus Advancement ( tongue advancement ). 6. Tongue muscles ( genioglossus , geniohyoid and others ) are attached to the lower jaw below the teeth. 7. The genioglossus advancement pulls the tongue forward in a manner that decreases the amount of tongue blockage during sleep. 8. The m . genioglossus is used to protract the tongue and the m . hyoglossus is the tongue retractor. 9. It lies on the lateral side of the Genioglossus , the main large extrinsic tongue muscle, accompanied by the lingual nerve. 10. It then passes up on the outer side of the genioglossus muscle and continues in a forward direction to the tip of the tongue.
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