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A & P > Axial Muscles > Flashcards

Axial Muscles Flashcards

1
Q

Buccinator

A

O: Maxilla & Mandible
I: Orbicularis Oris
A: Compresses Cheeks

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2
Q

Depressor labii inferioris

A

O: Mandible
I: Skin - Lower lip
A: Depresses and helps evert lower lip

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3
Q

Levator labii superioris

A

O: Maxilla
I: Orbicularis Oris
A: elevates and everts upper lip

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4
Q

Mentalis

A

O: Mandible
I: Skin - chin
A: elevates lower lip

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5
Q

Orbicularis Oris

A

O: Maxilla & Mandible
I: lips
A: compresses, purses lips

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6
Q

Risorius

A

O: Parotid Fascia
I: angle of mouth
A: Draws corner of mouth laterally

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7
Q

Depressor anguli oris

A

O: Mandible
I: Skin - angle of mouth
A: depresses & draws corner of mouth laterally

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8
Q

Zygomaticus Major

A

O: zygomatic bone
I: Angle of Mouth
A: elevates and draws corners of mouth laterally

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9
Q

Zygomaticus Minor

A

O: zygomatic bone
I: Upper lip
A: elevates upper lip

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10
Q

Orbicularis Oculi

A

O: Maxilla
I: skin around eyes
A: closes eye

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11
Q

Levator palpebrae superioris

A

O: sphenoid
I: superior palpebrae
A: elevates upper eyelid (palpebrae)

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12
Q

Procerus

A

O: Nasal bone
I: Skin - forehead
A: pulls skin between eyebrows downward (frown)

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13
Q

Nasalis

A

O: Maxilla
I: bridge of nose
A: compresses bridge of nose

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14
Q

Occipitofrontalis (frontal belly)

A

O: epicranial aponuerosis
I: Skin - eyebrow & bride of nose
A: Raises eyebrows, wrinkles forehead

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15
Q

Occipitofrontalis (occipital belly)

A

O: occipital bone
I: epicranial aponuerosis
A: tenses and retracts skelp

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16
Q

Platysma

A

O: facia near clavical
I: mandible and skin of cheek
A: tenses skin of neck, depresses mandible

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17
Q

Inferior Rectus

A

O: sphenoid
I: Inferior, medial surface of eyeball
A: Eye looks down

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18
Q

Medial Rectus

A

O: Sphenoid
I: medial surface of eyeball
A: eye looks medially

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19
Q

Superior Rectus

A

O: Sphenoid
I: superior surface of eyeball
A: Eye looks up

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20
Q

Lateral Rectus

A

O: Sphenoid
I: Lateral surface of eyeball
A: Eye looks laterally

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21
Q

Inferior Oblique

A

O: Maxilla
I: inferior, lateral surface of eyeball
A: Eye rolls, looks up & laterally

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22
Q

Superior Oblique

A

O: Sphenoid
I: Superior, lateral surface of eyeball
A: Eye rolls, looks down and larerally

23
Q

Masseter

A

O: Zygomatic arch
I: Mandible
A: closes jaw

24
Q

Medial Pterygoid

A

O: Pterygoid process
I: Mandible
A: Closes jaw, mandible side to side

25
Q

Temporalis

A

O: temporal line of skull
I: mandible
A: Elevates mandible

26
Q

Lateral Pterygoid

A

O: Pterygoid Process
I: Mandible
A: Opens jaw, Mandible side to side

27
Q

Digastric

A

O: Mandible
I: Hyoid
A: Depresses mandible

28
Q

Geniohyoid

A

O: Mandible
I: Hyoid
A: Depresses mandible

29
Q

Mylohyoid

A

O: Mandible
I: Hyoid
A: Elevates floor of mouth

30
Q

Omohyoid

A

O: Scapula
I: Hyoid
A: Depresses hyoid & larynx

31
Q

Sternohyoid

A

O: Clavicle
I: Hyoid
A: Depresses hyoid

32
Q

Sternothyroid

A

O: Sternum
I: Thyroid cartilage of larynx
A: Depresses hyoid

33
Q

Thyrohyoid

A

O: Thyroid cartilage of larynx
I: Hyoid
A: Depresses hyoid bone

34
Q

Sternocleidomastoid

A

O: Clavicle
I: Mastoid region
A: Flex the neck

35
Q

Splenius capitis

A

O: Spinous processes of C & T vertebrae
I: Occipital bone
A: Extend neck

36
Q

Spinalis

A

O: Spinous processes of C & T vertebrae
I: Spinous processes of C & T vertebrae
A: Extend neck & vertebral column

37
Q

Longissimus

A

O: Transverse processes of C & T vertebrae
I: Spinous process of C & T vertebrae
A: Extends vertebral column

38
Q

Illiocostalis

A

O: Iliac & sacral crests
I: Inferior surface of ribs
A: Extends vertebral column

39
Q

Scalenes

A

O: Transverse processes of C vertebrae
I: Superior surface of ribs 1,2
A: Elevate rib/flex neck

40
Q

External intercostals

A

O: Inferior border of ribs
I: Superior border of more inferior rib
A: Elevate ribs

41
Q

Internal intercostals

A

O: Superior border of ribs
I: Inferior border of more superior rib
A: Depress ribs

42
Q

External oblique

A

O: External and inferior borders of ribs 5-12
I: Linea alba
A: Compresses abdomen

43
Q

Internal oblique

A

O: Iliac crest
I: Linea alba
A: Compress abdomen

44
Q

Transversus abdominis

A

O: Iliac crest
I: Linea alba
A: Compresses abdomen

45
Q

Rectus abdominis

A

O: Hip bone
I: Sternum
A: Depresses ribs

46
Q

Diaphragm

A

O: Xiphoid process
I: Central Tendon sheet
A: Expands thoracic cavity

47
Q

Bulbospongiosus (male)

A

O: Perineal body
I: Penis
A: Stiffens penis

48
Q

Bulbospongiosus (female)

A

O: Perineal body
I: Clitoris
A: Stiffens clitoris

49
Q

Ischiocavernosus

A

O: Ischium
I: Corpus cavernosum of penis or clitoris
A: Compresses penis or clitoris

50
Q

Coccygeus

A

O: Ischium
I: Sacrum
A: Elevates pelvic floor

51
Q

Iliococcygeus

A

O: Ischium
I: Coccyx
A: Tenses pelvic floor

52
Q

Pubococcygeus

A

O: Pubis
I: Coccyx
A: Tenses pelvic floor

53
Q

External anal sphincter

A

O: Tendon from coccyx
I: Encircles anal opening
A: Closes anal opening

54
Q

Dilator Nasi

A

O: Nasal bone
I: Nostrils
A: Flares nostrils

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