Ra101muscles Flashcards
Anterior Scalenes
Transverse processes of C3-6
1st rib
Opp rotator
Middle Scalenes
Transverse processes of C2-7
1st rib
Opp Rotator
Posterior Scalenes
Tranverse processes of C4-6
2nd rib
Opp Rotator
Diagastric Anterior
Mandible (Diagastric fossa AI)
Hyoid Bone
Depresses Mandible
Digastric posterior
hyoid bone
common tendon hyoid bone
Elevates hyoid
Mylohyoid
AI surface of mylohyoid line
hyoid bone
Elevates floor of mouth + Hyoid
Genio hyoid
AI surface of Mental spine. (mandible)
AS of hyoid bone
Fixed Mandible -Elevates hyoid anteriorly
Fixed Hyoid - Depresses mandible
Omo Hyoid
Upper border of Scapula near scapular notch
Lower body of hyoid (Lateral to sternohyoid)
Depresses and fixes hyoid
Stylohyoid ps
Styloid process of temporal bone
hyoid bone - Lateral body
Elevates hyoid (Postero Superior)
Medial Pterygoid
STEPHENOID - Pterygoid process - Medial surface of lateral plate
Lateral displacement
Elevation of mandible
Lateral Pterygoid
Pterygoid process - Lateral surface of Lateral Plate
TMJ Capsule - Articular disc
Action: Lateral displacement
Protrusion of Mandible
Levator Scapula
Transverse process of C1-C4
superior angle and medial border of the scapula
Levator Scapula
Transverse process of C1-C4
superior angle and medial border of the scapula
6 Ligaments what are they limited in?
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Sternocledomastoid Clavicular
Anterior superior surface of 1/3 clavicle
Lateral mastoid SNL
Uni- Opp rotator / lat flex
Bi Extends CV while flexing inferior CV