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pt1011 anatomy > MOINA Part 4 (Action) > Flashcards

MOINA Part 4 (Action) Flashcards

1
Q

Superior Rectus

A

Raises cornea upwards and medially

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2
Q

Inferior Rectus

A

Depresses cornea downward and medially

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3
Q

Medial Rectus

A

Rotates eyeball so that cornea looks medially

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4
Q

Lateral Rectus

A

Rotates eyeball so that cornea looks laterally

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5
Q

Superior Oblique

A

Rotates eyeball so thy cornea looks downward and laterally

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6
Q

Inferior Oblique

A

Rotates eyeball so that cornea looks upward and laterally

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7
Q

Orbicularis Oculi

A

Palpebral Part: Closes eyelids and dilates lacrimal sac
Orbital Part: Throws skin around orbit into folds to protect eyeball

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8
Q

Levator Palpebral Superioris

A

Raises upper lid

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9
Q

Occipitofrontalis

A

Occipital Belly and Frontal Belly: Moves scalp on skull and raises eyebrows

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10
Q

Orbicularis Oris

A

Compresses lips together

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11
Q

Levator Anguli Oris

A

Separate lips

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12
Q

Buccinator

A

Compresses cheeks and lips against teeth

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13
Q

Procerus

A

Wrinkles skin of nose

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14
Q

Corrugator Supercilii

A

Vertical wrinkles of forehead, AKA FROWNING

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15
Q

What are the dilator muscles of the lips

A

MUSCLES OF EXPRESSION
1. Levator Labii Superiori Alaeque Nasi
2. Levator Anguli Oris
3. Levator Labii Superioris
4. Orbicularis Oris
5. Zygomaticus Major
6. Zygomaticus Minor
7. Risorius
8. Modiolus
9. Depressor Anguli Oris
10. Depressor Labii Inferioris
11. Mentalis

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16
Q

Dilator muscles of the lips

A

Separate lips

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17
Q

Temporalis

A

Anterior and superior fibers elevate mandible; posterior fibers retract mandible

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18
Q

Masseter

A

Elevates mandible to occlude teeth

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19
Q

Lateral Pterygoid

A

Pulls neck of mandible forward

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20
Q

Medial Pterygoid

A

Elevates mandible

21
Q

Intrinsic Muscles of the Tongue

A

Longitudinal: alters shape of tongue
Transverse: makes the tongue narrow and elongated
Vertical: flattens and broadens the tongue

22
Q

Extrinsic Muscles of the Tongue

A

Genioglossus: protrudes apex of tongue
Hyoglossus: depresses tongue
Styloglossus: draws tongue upwards and backward
Palatoglossus: pulls roots of tongue upward and backward, narrows oropharyngeal isthmus

23
Q

Platysma

A

Depresses mandible and angle of mouth

24
Q

SCM

A

Two muscles acting together extend head and flex neck; one muscle rotates head to opposite side

25
Q

Digastric

A

Posterior & Anterior Belly: depresses mandible or elevates hyoid bone

26
Q

Stylohyoid

A

Elevates hyoid bone

27
Q

Mylohyoid

A

Elevates floor of mouth and hyoid bone or depresses mandible

28
Q

Geniohyoid

A

Elevates hyoid bone or depresses mandible

29
Q

Thyrohyoid

A

Depresses hyoid bone or elevates larynx

30
Q

Sternothyroid

A

Depresses larynx

31
Q

Sternohyoid

A

Depresses hyoid bone

32
Q

Omohyoid

A

Inferior & Superior belly: depresses hyoid bone

33
Q

Scalenes

A

Scalenus Anterior & Medius: elevates FIRST rib; laterally flexes and rotates cervical part of vertebral column

Scalenus Posterior: elevates SECOND rib; laterally flexes and rotates cervical part of vertebral column

34
Q

Pectoralis Major

A

Adducts arm and rotates it medially; clavicular fibers also flex arm

35
Q

Pectoralis Minor

A

Depresses point of shoulder; if the scapula is fixed, it elevates the ribs of origin

36
Q

Subclavius

A

Depresses the clavicle and steadies this bon during movements of the shoulder girdle

37
Q

Serratus Anterior

A

Draws the scapula forward around the thoracic wall; rotates the scapula

38
Q

Trapezius

A

Upper fibers elevate the scapula; middle fibers pull the scapula medially; lower fibers pull medial border of the scapula downward

39
Q

Latissimus Dorsi

A

Extends, adducts and medially rotates the arm

40
Q

Levator Scapulae

A

Raises medial border of the scapula

41
Q

Rhomboid Minor

A

Raises medial border of scapula upward and medially

42
Q

Rhomboid Major

A

Raises medial border of scapula upward and medially

43
Q

Deltoid

A

Abducts arm; anterior fibers flex and medially rotate arm; posterior fibers extend and laterally rotate arm

44
Q

Supraspinatus

A

Abducts arm and stabilizes shoulder joint

45
Q

Infraspinatus

A

Laterally rotates arm and stabilizes shoulder joint

46
Q

Teres Minor

A

Laterally rotates arm stabilizes shoulder joint

47
Q

Teres Major

A

Medially rotates arm and adducts arm and stabilizes shoulder joint

48
Q

Subscapularis

A

Medially rotates arm and stabilizes shoulder joint

pt1011 anatomy (6 decks)

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