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Index
»
?️ Assignment 4.2: Muscle Study Tool (Head, Neck, & Face)
»
Chapter 1
»
Level 1
level: Level 1
Questions and Answers List
level questions: Level 1
Question
Answer
A- nilaterally:Laterally flex the head and neck to the same sideRotate the head and neck to the opposite sideBilaterally:Flex the neckAssist to elevate the rib cage during inhalationO- Sternal head: Top of manubriumClavicular head: Medial one-third of the claviclei- Mastoid process of temporal bone and the lateral portion of superiornuchal line of occiput
Sternocleidomastoid Near a endangerment sight. massage with care
A- Unilaterally:With the ribs fixed, laterally flex the head and neck to the same side (all)Rotate head and neck to the opposite side (all)Bilaterally:Elevate the ribs during inhalation (all)Flex the head and neck (anterior)O- (Scalenes) Transverse processes of third throughsixth cervical vertebrae (anterior tubercles)O- (middle) Transverse processes of second throughseventh cervical vertebrae (posterior tubercles)O- (posterior) Transverse processes of sixth andseventh cervical vertebrae (posteriortuberclesi- (Scalenes) first ribi- (middle) first ribi- (posterior) 2nd rib
Scalenes Anterior, Middle, Posterior
A- Elevate the mandible (temporomandibular joint)May assist to protract the mandible (TM joint)O- Zygomatic archi- Angle and ramus of mandible
masseter
A- Elevate the mandible (temporomandibular joint)Retract the mandible (TM joint)O- Temporal fossa and fasciai- Coronoid process and anterior edge of ramus of the mandible
Temporalis
A- Elevate hyoid and tongueDepress mandible (temporomandibular joint)O- Geniohyoid, mylohyoid: Underside of mandibleStylohyoid: Styloid processi- hyoid bone
Suprahyoid
A- With hyoid bone fixed, depress the mandible (temporomandibularjoint)With mandible fixed, elevate the hyoid boneRetract the mandible (TM joint)O- Mastoid process (deep to sternocleidomastoid and splenius capitis)i- Inferior border of the mandible
Digastric
A- Depress the hyoid bone and thyroid cartilageO- Sternohyoid and sternothyroid: Top of manubriumThyrohyoid: Thyroid cartilageOmohyoid: Superior border of the scapulai- Sternohyoid, thyrohyoid, and omohyoid: Hyoid boneSternothyroid: Thyroid cartilage
Infrahyoid
A- Frontalis: Raise the eyebrows and wrinkle the foreheadOccipitalis: Anchor and retract the galea posteriorlyO- Galea aponeuroticai- Frontalis: Skin superior to eyebrowsOccipitalis: Superior nuchal line of the occiput
Occipitofrontalis
A- Unilaterally:Laterally deviate the mandible to the opposite sideBilaterally:Elevate the mandibleProtract the mandibleO- Medial surface of lateral pterygoid plate of sphenoid bone andtuberosity of maxillai- Medial surface of ramus of the mandible
Medial Pterygoid
A- Unilaterally:Laterally deviate the mandible to the opposite sideBilaterally:Protract the mandibleO- Superior head:Infratemporal surface and crest of greater wing of sphenoid boneInferior head:Lateral surface of lateral pterygoid plate of sphenoid bonei- Articular disc and capsule of temporomandibular joint, neck of mandible
Lateral Pterygoid
A- Unilaterally: Laterally flex the head and neck to the same side Rotate the head and neck to the same side Bilaterally: Flex the head and neck O- Transverse processes of C-3 through C-6 i- Inferior surface of occiput
Longus Capitis
A- Unilaterally:Laterally flex the head and neck to the same sideRotate the head and neck to the same sideBilaterally:Flex the head and neckO- Bodies of C-5 through T-3, transverse processes of C-3 through C-5i- Tubercle on anterior arch of the atlas; bodies of the axis, C-3, and C-4; transverse processes of C-5 and C-6
Longus Colli