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Anatomy > Test 2: Muscles of the head and neck > Flashcards

Test 2: Muscles of the head and neck Flashcards

1
Q

Muscles of the head

A

Occipitofrontalis

Temporalis

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2
Q

Muscles of facial expression

A 
Orbicularis Oculi
Corrugator supercilli
Levator palpabrae superioris
Nasalis
Zygomaticus major
Zygomaticus minor
Orbicularis oris
Levator labil superioris
Risorius
Buccinator
Mentalis
Platysma
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3
Q

Muscles acting on the jaw and tongue

A 
Genioglossus
Intrinsic tongue muscles
Medial pterygoid
Lateral pterygoid
Masseter
Mylohyoid
Digastric
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4
Q

Muscles of respiration

A 
Diaphragm
External intercostals
Internal intercostals
Scalenes
Pectoralis minor
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5
Q

Abdominal muscles

A

Rectus abdominus
External abdominal oblique
Internal abdominal oblique
Transverse abdominus

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6
Q

Dorsal/Posterior Axial/Appendicular muscles

A

Splenius Capitus
Semispinalis capitis
Trapezius

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7
Q

Erector spinae muscles

A

Iliocostalis
Longissimus
Spinalis

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8
Q

Muscles of the eye

A 
Superior rectus
Inferior rectus
Medial rectus
Lateral rectus
Superior oblique
Inferior oblique
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9
Q

Muscles of the anterior neck

A

Omohyoid
Sternohyoid
Stylohyoid
Sternocleidomastoid

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10
Q

Occipitofrontalis

A

O- occipital bone
I- Frontal bone- skin of eyebrow and nose
A- moves scalp, elevates eyebrows

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11
Q

Temporalis

A

O- Temporal bone (temporal fossa)
I- Coronoid process and ramus of mandible
A- Closes mandible

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12
Q

Orbicularis oculi

A

O- Maxilla and frontal bones
I- circles orbit and inserts near origin
A- closes eye; winking motion

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13
Q

Corrugator supercilli

A

O- medial portion of frontal bone
I- Skin of eyebrows
A- Adducts eyebrows; pulls them medially

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14
Q

Levator palpabrae superioris

A

O- Back of orbit at sphenoid bone
I- at eyelid
A- opens eyes

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15
Q

Nasalis

A

O- maxilla above incisor teeth and canine teeth
I- ala of nose and midline of aponeurosis
A- flattens nose, flares nostrils

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16
Q

Zygomaticus major

A

O- Zygomatic bone
I- muscle and skin of mouth
A- smile

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17
Q

Zygomaticus minor

A

O- zygomatic bone
I- corners of mouth
A- lift corners of mouth

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18
Q

Orbicularis oris

A

O- maxilla and zygomatic bones
I- skin of lips
A- open and close mouth, purse lips

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19
Q

Levator labii superioris

A

O- maxilla and zygomatic bones
I- muscle and skin of lips
A- elevates upper lip, flares nostrils

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20
Q

Levator anguli oris

A

O- canine fossa of maxilla
I- angle (corner) of mouth
A- elevates angle of mouth

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21
Q

Risorius

A

O- fascia of masseter (lateral cheek)
I- Skin at angle of mouth
A- abducts corner of mouth (draws edge lateral)

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22
Q

Buccinator

A

O- maxilla and mandible near molar teeth
I- Orbicularis oris
A- compresses cheek

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23
Q

Mentalis (pouting muscle)

A

O- anterior mandible
I- skin of cheek below lower lip
A- protrudes lower lip

24
Q

Platysma

A

O- fascia covering pectoralis major and deltoid
I- mandible and skin of lower region of face
A- depresses lower lip, opens jaw

25
Q

Genioglossus

A

O-Mental protuberance of mandible
I- tongue
A- depresses and protrudes tongue

26
Q

Intrinsic tongue msucles

A

O and I- within tongue

A- change shape of tongue

27
Q

Medial pterygoid

A

O- medial surface of lateral pterygoid
I- medial surface of ramus
A- elevates and protracts mandible

28
Q

Lateral pterygoid

A

O- Superior head; greater wing of sphenoid bone
I- Superior head, capsule and articular dish of temporomandibular join
A- Protracts mandible, opens mouth, grinding of chewing

29
Q

Masseter

A

O- zygomatic arch
I- angle and ramus of mandible
A- closes mandible

30
Q

Mylohyoid

A

O- mylohyoid line of mandible
I- midline raphe and body of hyoid bone
A- elevates hyoid bone and tongue; depresses mandible

31
Q

Digastric

A

O- interior, distal margin of mandible
I- Hyoid
A- elevates, protracts, retracts hyoid; opens mandible

32
Q

Omohyoid

A

O- superior surface of scapula
I- hyoid
A- depresses hyoid

33
Q

Sternohyoid

A

O- manubrium of sternum
I- Hyoid
A- depresses hyoid

34
Q

Sternothyroid

A

O- manubrium of sternum
I- thyroid cartilage of larynx
A- Depressed thyroid cartilage

35
Q

Stylohyoid

A

O- posterior side of styloid process
I- Splits around internal tendon muscle; body of hyoid bone
A- elevates and retracts hyoid bone

36
Q

Sternocleidomastoid

A

O- sternum, clavicle
I- mastoid process of temporal bone
A- Abducts, rotates, flexes head

37
Q

Diaphragm

A

O- xiphoid process, lower ribs, upper lumbar vertibrae
I- central tendon
A- inspiration and expiration

38
Q

External intercostals

A

O- inferior margin of each rib
I- superior border of each rib
A- expands ribs during inhalation

39
Q

Internal intercostals

A

O- superior margin of each rib
I- inferior border of rib above origin
A- forced expiration, depresses ribs

40
Q

Scalenes

A

O- transverse processes of C2-C6
I- first and second ribs
A- elevates respective ribs, inspiration

41
Q

Pectoralis minor

A

O- ribs 3-5
I- caracoid process of scapula
A- depresses glenoid cavity, raises ribs 3-5

42
Q

Rectus abdominus

A

O- crest of pubis, pubic synthysis
I- cartilages of ribs 5-7, xiphoid process
A- flexes vertebral column, compresses abdominal wall

43
Q

External abdominal oblique

A

O- ribs 5-12
I- linea alba, iliac crest, pubis
A- compresses abdominal wall, laterally rotates trunk

44
Q

Internal abdominal oblique

A

O- inguinal ligament, iliac crest
I- linea alba, ribs 10-12
A- compresses abdominal wall, laterally rotates trunk

45
Q

Transverse abdominis

A

O- inguinal ligament, iliac crest, ribs 7-12
I- linea alba, crest of pubis
A- compresses abdominal wall, laterally rotates trunk

46
Q

Splenius capitis

A

O-ligamentum nuchae, C7-T6
I- C2-C4, occipital and temporal bone
A- extends/rotates head

47
Q

Semispinalis capitis

A

O- C7-T12
I- occipital bone, T1-T4
A- extends head and vertebral column, rotates vertebral column

48
Q

Trapezius

A

O- posterior occipital bone, ligamentum nuchae, C7-T12
I- clavicle, acromion process, spine of scapula
A- Extends and abducts head, rotates and adducts scapula, fixes scapula

49
Q

Iliocostalis

A

O-Vertebral column, ilium ribs
I- ribs, vertebral column, occipital and temporal bones
A- extends and rotates vertebral column and head

50
Q

Longissimus

A

O-Vertebral column, ilium ribs
I- ribs, vertebral column, occipital and temporal bones
A- extends and rotates vertebral column and head

51
Q

Spinalis

A

O-Vertebral column, ilium ribs
I- ribs, vertebral column, occipital and temporal bones
A- extends and rotates vertebral column and head

52
Q

Superior rectus

A

O- common tendinous ring at apex of orbit
I- sclera on superior surface of eyeball
A- elevates and adducts eyeball

53
Q

Inferior rectus

A

O- common tendinous ring at apex of orbit
I- sclera on inferior surface of eyeball
A- Depresses and adducts corneal part of eyeball

54
Q

Medial rectus

A

O- common tendinous ring at apex of orbit
I- sclera on medial surface of eyeball
A- adducts corneal part of eyeball

55
Q

Lateral rectus

A

O- common tendinous ring at apex of orbit
I- sclera on lateral surface of eyeball
A- abducts corneal part of eyeball

56
Q

Superior oblique

A

O- apex of the orbit
I- sclera on posterior superior surface of eyeball
A- depresses and abducts eye

57
Q

Inferior oblique

A

O- floor of orbit, lateral to lacrimal groove
I- Sclera on inferior surface of eyeball
A- elevates and abducts corneal part of eyeball

Anatomy (7 decks)

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