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146 Cards in this Set
- Front
- Back
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What is the name for the end of the muscle attached to the least moveable structure?
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origin
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What is the name for the end of the muscle attached to the most moveable structure?
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insertion
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What are the muscle of mastication?
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medial and lateral pterygoid, temporalis, and masseter
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What is the origin of the medial pterygoid?
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pterygoid fossa of the sphenoid bone
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What is the insertion of the medial pterygoid?
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inner aspect of the angle of the mandible
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What is the action of the medial pterygoid?
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close the mandible
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What nerve is associated with the medial pterygoid?
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mandibular branch of the trigeminal branch
(V3) |
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What is the origin of the lateral pterygoid?
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greater wing of the sphenoid and the lateral pterygoid plate of the sphenoid
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What is the insertion of the lateral pterygoid?
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pterygoid Fovea of the mandible
(Near or on Condyle) |
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What is the action of the lateral pterygoid?
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1. Protrusion
2. Opening the Jaw 3. Lateral Movement |
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What nerve is associated with the lateral pterygoid?
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mandibular branch of the trigeminal nerve
(V3) |
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What is the origin of the temporalis?
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temporal fossa
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What is the insertion of the temporalis?
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coronoid process
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What is the action of the temporalis?
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1. Close
2. Retract |
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What is the nerve associated with the temporalis?
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mandibular branch of trigeminal nerve
(V3) |
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What is the origin of the masseter?
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zygomatic arch
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What is the insertion of the masseter?
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outer aspect angle and ramus of the mandible
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What is the nerve associated with the masseter?
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mandibular branch of the trigeminal nerve
(V3) |
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What are the anterior suprahyoid muscles?
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anterior belly of the digastric
mylohyoid geniohyoid |
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What are the posterior syprahyoids?
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posterior belly of digastric
stylohyoid |
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What is the origin of the anterior belly of digastric?
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intermediate tendon
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What is the insertion of the anterior belly of digastric?
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inner surface of the mandible
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What is the action of the anterior belly of digastric?
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1. Opening the jaw
2. Pull hyoid forward & up |
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What is the nerve associated with the anterior belly of digastric?
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mandibular branch of the trigeminal nerve
(V3) |
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What is the origin of the mylohyoid?
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mylohyoid line
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What is the insertion of the mylohyoid?
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hyoid bone
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What is the action of the mylohyoid?
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1. Open the jaw
2. Pull hyoid forward and up |
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What is the origin of the geniohyoid?
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geniotubercles
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What is the insertion of the geniohyoid?
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hyoid bone
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What is the action of the geniohyoid?
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1. Opening the jaw
2. pull hyoid forward and up |
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What is the nerve associated with the geniohyoid?
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Cervical Vertebra #1
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What is the origin of the posterior belly of digastric?
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mastoid process
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What is the insertion of the posterior belly of digastric?
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intermediate tendon
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What is the action of the posterior belly of digastric?
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pull hyoid up and back
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What is the nerve associated with the posterior belly of digastric?
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facial nerve
(CN 7) |
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What is the origin of the stylohyoid?
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syloid process
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What is the insertion of the stylohyoid?
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hyoid bone
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What is the action of the stylohyoid?
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pull hyoid up and back
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What is the nerve associated with the stylohyoid?
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facial nerve
(CN 7) |
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What muscles can you palpate during and extraoral exam?
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temporalis and masseter
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What allows the belly of the digastric to bend at a 90 degree angle?
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hole in the stylohyoid
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What connects the anterior belly of digastric to posterior belly of digastric?
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intermediate tendon
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What are the 3 parts of the digastric muscle?
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anterior belly of digastric
posterior belly of digastric intermediate tendon |
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What are the infrahyoid muscles?
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sternohyoid, sternothyroid, thyrohyoid, and omohyoid
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What is the origin of the sternohyoid?
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sternum
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What is the insertion of the sternohyoid?
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hyoid bone
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What is the action of the sternohyoid?
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depress the hyoid
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What nerve is associated with the sternohyoid?
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cervical vertebra 2 & 3
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What is the origin of the sternothyroid?
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sternum
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What is the insertion of the sternothyroid?
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thyroid cartilage
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What is the action of the sternothyroid?
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depress the hyoid
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What is the nerve associated with the sternothyroid?
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cervical vertebra 2 & 3
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What is the origin of the thyrohyoid?
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thyroid cartilage
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What is the insertion of the thyrohyoid?
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hyoid bone
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What is the action of the thyrohyoid?
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depress the hyoid
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What is the nerve associated with the thyrohyoid?
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cervical vertebra 2 & 3
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What is the origin of the omohyoid?
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scapula
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What is the insertion of the omohyoid?
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hyoid bone
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What is the action of the omohyoid?
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depress the hyoid
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What is the nerve associated with the omohyoid?
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cervical vertebra 2 & 3
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What are the extrinsic muscles of the tongue?
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genioglossus, styloglossus, hyoglossus
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What is the origin of the intrinsic tongue muscle?
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many
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What is the insertion of the intrinsic tongue muscle?
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throughout the tongue
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What is the action of the intrinsic tongue muscle?
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fine movement
(speech and moving food) |
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What is the nerve associated with the intrinsic tongue muscles?
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hypoglossal nerve
(CN 12) |
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What is the origin of the genioglossus?
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genial tubercles
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What is the insertion of the genioglossus?
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tongue
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What is the action of the genioglossus?
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pull the tongue forward
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What is the nerve associated with genioglossus?
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hypoglossal nerve
(CN 12) |
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What is the origin of the styloglossus?
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styloid process
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What is the insertion of the styloglossus?
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tongue
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What is the action of the styloglossus?
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pull the tongue back
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What is the nerve associated with the styloglossus?
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hypoglossal nerve
(CN 12) |
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What is the origin of the hyoglossus?
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hyoid bone
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What is the insertion of the hyoglossus?
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tongue
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What is the action of the hyoglossus?
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pull the tongue down
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What is the nerve associated with the hyoglossus?
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hypoglossal nerve
(CN 12) |
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What are the cervical muscles?
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sternocleidomastoid
trapezius |
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What is the origin of the sternocleidomastoid?
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sternum and clavicle
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What is the insertion of the sternocleidomastoid?
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mastoid process
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What is the action of the sternocleidomastoid?
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both contract-head tilts forward
one contracts-face goes in opposite direction |
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What is the nerve associated with the sternocleidomastoid?
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Accessory Nerve
(CN 11) |
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What is the origin of the trapezius?
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1. Occipital
2. Midline of Cervical Vertebra 3. Midline of Thoracic Vertebra |
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What is the insertion of the trapezius?
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1. Clacivle
2. Scapula |
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What is the action of the trapezius?
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Lift the shoulders
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What is the nerve associated with the trapezius?
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Accessory Nerve
(CN 11) |
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What are the muscles of the pharynx?
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stylopharyngeus
superior, middle, and inferior phyaryngeal constrictor |
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What is the origin of the stylopharyngeus?
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styloid process
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What is the insertion of the stylopharyngeus?
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lateral and posterior walls of the pharynx
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What is the action of the stylopharyngeus?
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elevates and widens the pharynx helping drive food inferiorly (swallowing)
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What is the nerve associated with the stylopharyngeus?
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glossopharyngeal nerve
(CN 9) |
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What is the origin of the superior pharyngeal constrictor?
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1. Hamulus
2. mandible 3. pterygomandibular raphe |
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What is the insertion of the superior pharyngeal constrictor?
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median pharyngeal raphe
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What is the action of the superior pharyngeal constrictor?
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elevates and widens the pharynx helping drive the food inferiorly (swallowing)
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What is the origin of the midde pharyngeal constrictor?
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1. hyoid bone
2. stylohyoid muscle |
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What is the insertion of the middle pharyngeal constrictor?
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median pharyngeal constrictor
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What is the action of the middle pharyngeal constrictor?
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elevates and widens the pharynx helping drive the food inferiorly (swallowing)
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What is the nerve associated with the superior pharyngeal constrictor?
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pharyngeal plexus
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What is the nerve associated with the middle pharyngeal constrictor?
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pharyngeal plexus
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What is the origin of the inferior pharyngeal constrictor?
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1. thyroid cartilage
2. cricoid cartilage |
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What is the insertion of the inferior pharyngeal constrictor?
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median pharyngeal raphe
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What is the action of the inferior pharyngeal constrictor?
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elevates and widens the pharynx helping drive the food inferiorly (swallowing)
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What is the nerve associated with the inferior pharyngeal constrictor?
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pharyngeal plexus
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what are the muscles of the soft palate?
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1. palatoglossus
2. palatopharyngeus 3. levator veli palatini 4. tensor veli palatini |
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What is the action of the palatoglossus?
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forms the anterior faucial pillars
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what is the nerve associated with the palatoglossus?
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pharyngeal plexus
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What is the action of the palatopharyngeus?
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forms the posterior faucial pillars
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What is the nerve associated with the palatopharyngeus?
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pharyngeal plexus
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What is the action of the levator veli palatini?
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raise the soft palate
(contacts the posterior pharyngeal wall) |
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What is the nerve associated with the levator veli palatini?
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pharyngeal plexus
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What is the action of the tensor veli palatini?
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tense and lower the soft palate
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What is the nerve associated with the tensor veli palatini?
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mandibular branch of the trigeminal nerve
(V3) |
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What muscle attach to the pterygomandibular raphe?
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buccinator and superior pharyngeal constrictor
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What are the parts of the epicranial?
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frontal belly (frontalis)
galea aponeurotica (epicranial aponeurosis) occipital belly (occipitalis) |
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What is the action of the frontal belly (frontalis) of the epicranial?
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frowning
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What is the action of the frontal belly (frontalis)
galea aponeurotica (epicranial aponeurosis) occipital belly (occipitalis)? |
surprise
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What connects the frontalis to the occipitalis?
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galea aponeurotica
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What is the nerve associated with the frontal belly (frontalis)
galea aponeurotica (epicranial aponeurosis) occipital belly (occipitalis)? |
facial nerve
(CN 7) |
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What is the action of the orbicularis oris?
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closes the eyelid
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What is the nerve associated with the orbicularis oris?
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facial nerve
(CN 7) |
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What is the action of the currugator supercilii?
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frowning
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What is the nerve associated with the currugator supercilii?
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facial nerve
(CN 7) |
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What is the action of the orbicularis oris?
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pursing the lips (kissing)
closes the mouth |
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What is the nerve associated with the orbicularis oris?
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facial nerve
(CN 7) |
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What is the action of the buccinator?
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manipulation of food
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What is the nerve associated with the buccinator?
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facial nerve
(CN 7) |
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What is the action of the risorius?
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stretches the lips (grimacing)
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What is the nerve associated with the risorius?
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facial nerve
(CN 7) |
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What is the action of the zygomaticus major?
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smiling
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What is the nerve associated with the zygomaticus major?
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facial nerve
(CN 7) |
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What is the action of the zygomaticus minor?
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smiling
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What is the nerve associated with the zygomaticus minor?
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facial nerve
(CN 7) |
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What is the action of the levator anguli oris?
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smiling
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What is the nerve associated with the levator anguli oris?
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facial nerve
(CN 7) |
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What is the action of the levator labii superioris?
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raise the upper lip
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What is the nerve associated with the levator labii superioris?
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facial nerve
(CN 7) |
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What is the action of the levator labii superioris alaeque nasi?
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raise the upper lip
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What is the nerve associated with the levator labii superioris alaque nasi?
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facial nerve
(CN 7) |
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What is the action of the depressor anguli oris?
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lower the lower lip
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What is the nerve associated with the depressor anguli oris?
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facial nerve
(CN 7) |
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What is the action of the depressor labii inferioris?
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lower the lower lip
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What is the nerve associated with the depressor labii inferioris?
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facial nerve
(CN 7) |
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What is the action of the mentalis?
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raiese the chin
protrudes the lower lip |
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What is the nerve of the mentalis?
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facial nerve
(CN 7) |
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What is the action of the platysma?
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grimacing
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What is the nerve associated with the platysma?
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facial nerve
(CN 7) |
