Ch 4. Extrinsic M. (Suprahyoid) Exam 2 Flashcards
Attaches to the point above the hyoid bone, and elevates
Suprahyoid extrinsic muscles
Acronym for the Suprahyoid extrinsic muscles
Drinking smoking men gets girls hearts thumping
Contraction of anterior belly muscle draws hyoid b. up and forward;
Contraction of posterior belly muscle draws hyoid b. up and back
Digastricus (Contraction depresses the mandible and elevates the hyoid b)
Contraction elevates and retracts hyoid bone
Stylohyoid
Contraction elevates the hyoid bone and projects it forward, or depresses the mandible; responsible for elevation of the floor of the mouth during the first stage of deglution
Mylohyoid
Contraction elevates the hyoid bone and draws it forward and depresses the mandible
Geniohyoid
Contraction elevates the hyoid bone
Genioglossus
Contraction elevates the hyoid bone also a lingual depressor
Hyoglossus
Contraction constricts the pharynx and elevates the larynx; involved in propelling food through the pharynx
Thyropharyngeus