Supplementary Muscles Flashcards
Infrahyoid
Originates below the hyoid bone
Suprahyoid
Originates above the hyoid bone
Sternohyoid Origin
Back surface of the top of the sternum and inner end of the clavicle
Sternohyoid Insertion
Lower edge of the body of the hyoid bone
Sternohyoid Use
Contraction pulls downward on the hyoid bone
Omohyoid Origin
-Posterior Belly: Upper edge of the scapula
-Anterior Belly: Same tendon near the sternum
Omohyoid Insertion
-Posterior Belly: A tendon near the sternum
-Anterior Belly: Lower edge of the greater cornu of the hyoid bone
Omohyoid Use
Contraction pulls downward and backward on the hyoid bone
Digastric Origin
-Anterior Belly: Inside the lower border of the mandible
-Posterior Belly: Mastoid process of the temporal bone
Digastric Insertion
-Anterior Belly: A tendon
-Posterior Belly: Same tendon
Digastric Use
Contraction pulls the hyoid bone upward & forward or upward & backward
Stylohyoid Origin
Back and side surfaces of the styloid process of the temporal bone
Stylohyoid Insertion
Hyoid bone
Stylohyoid Use
Contraction pulls upward & backward on the hyoid bone
Mylohyoid Origin
Along the inner surface of the body of the mandible