Speech Pathology 1-2 Word Scramble
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Question | Answer |
What are the Mandibular Elevator muscles? | 1)Temporalis 2)Masseter 3)Medial (internal) pterygoid |
What are the Mandibular Depressors? | MeG's lap: 1)Mylohyoid 2)Geniohyoid 3)Lateral (external) pterygoid 4)Anterior Belly of Digastric5)Posterior belly of digastric |
O:lower border of mandible I:lesser horn of hyoid | Anterior Belly of Digastric |
C:inferior and posterior F:depresses mandible | Anterior Belly of Digastric |
O:mastoid process of temporal bone I:meets anterior belly at intermediate tendon | Posterior belly of digastric |
C:inferior and anteriorF:depresses mandible | Posterior belly of digastric |
Muscular floor of mouth | Mylohyoid |
O:inner surface on mandible near mental symphysis to last molarI:meets fibers from other side; posterior fibers insert directly into hyoid I:meets fibers from other side; posterior fibers insert directly into hyoid | Mylohyoid |
C:inferior and mediallyF:minimal help in lowering jaw | Mylohyoid |
O:lower part of mental symphysis I:body of hyoid | Geniohyoid |
C:posterior and inferior F:depresses mandible | Geniohyoid |
O:greater wing of sphenoid and lateral pterygoid plateI:condyle of mandible | Lateral (external) pterygoid |
C:horizontally and posteriorly F:protrudes mandible by sliding condyle down and forward | Lateral (external) pterygoid |
used to produce /a/ & stops | Lateral (external) pterygoid |
very powerful muscle that elevates the mandible | Masseter |
O:zygomatic arch I:angle, ramus and coronoid process | Masseter |
C:inferior and posterior F:elevates jaw | Masseter |
O:entire temporal bone I:anterior border of ramus and along coronoid process | Temporalis |
C:fibers converge as they travel inferiorly under the zygomatic arch F:elevates and retracts mandible | Temporalis |
O:between lateral and medial pterygoid plates of the sphenoid I:medial surface of ramus and angle of mandible | Medial (internal) pterygoid |
C:inferior, posterior and laterally F:forms a sling with masseter to elevate mandible | Medial (internal) pterygoid |
Created by:
aramos139
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