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Muscles of Head, Neck, Trunk, Abdomen, Back > Muscles of Head, Neck, Trunk, Abdomen & Back > Flashcards

Muscles of Head, Neck, Trunk, Abdomen & Back Flashcards

Study for Practical Exam on Thursday

1
Q

occipitofrontalis

A

Epicranial aponerosis
Skin Eyebrow and forehead
wrinkle forehead

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2
Q

orbicularis oculi

A

Orbital Origin
lateral palpebral raphe
Elevate eyebrows, wrinkle forehead and retract scalp with the occipital part

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3
Q

Risorius

A

cheek fascia
angle of mouth
moves mouth corner laterally for grimace

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4
Q

Frontalis (occipitofrontalis)

A

Frontal belly (frontalis): Skin of eyebrow, muscles of forehead / Occipital belly (occipitalis): (Lateral 2/3 of) superior nuchal line
Epicranial aponeurosis
Raises eyebrows

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5
Q

Orbicularis oris

A

the anteromedial surface of maxilla and mandible
lip
lip protrusion

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6
Q

Zygomaticus major

A

The lateral surface of the zygomatic bone
the angle of the mouth
Retracts and elevates corners of the mouth (smiling)

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7
Q

Levator labii superioris

A

Zygomatic process of maxilla, maxillary process of zygomatic bone
Blends with muscles of upper lip
elevates upper lip

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8
Q

Depressor labii inferioris

A

Oblique line of the mandible
integument of the lower lip
depresses lower lip

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9
Q

Buccinator

A

Alveolar processes, thick parts of mandible, maxilla, and sockets of teeth, pterygo-mandibular raphe
In fibers of the orbicularis
Compresses cheeks (whistling, blowing, sucking)

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10
Q

Platysma

A

fascia covering the superior portions of the pectoralis major and deltoid muscles below the clavicle
Lower border of mandible, skin, subcutaneous tissue, muscles around the mouth
tenses skin and neck and depress the mandible

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11
Q

Mentalis

A

Lateral 2/3 of superior nuchal lines and mastoid of the temporal bone
galea aponeurotic
tenses and retracts scalp

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12
Q

Levator palpebrae superioris

A

the sphenoid bone above optic foramen
superior tarsal plate
elevates upper eyelid, opens eyes

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13
Q

Superior rectus

A

common tendinous ring/optic canal
sclera
moves eyeball superiorly and medially

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14
Q

Lateral rectus

A

common tendinous ring and orbital fissure
Anterior to the equator of eyeball
moves eyeball laterally

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15
Q

Medial rectus

A

Common tendinous ring
Anterior half of eyeball
moves eyeball medially

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16
Q

Inferior oblique

A

maxillary bone
surface of eye
moves eyeball

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17
Q

Temporalis

A

Temporal and frontal bones
Coronoid process and ramus of the mandible
Elevates and retracts mandible

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18
Q

Lateral pterygoid

A

bottom of the sphenoid bone
temporomandibular joint and the condyloid process
Protracts mandible depresses mandible as in the opening mouth and moves mandible from side to side

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19
Q

Styloglossus

A

Styloid process of the temporal bone
tip and sides of the tongue
Elevates tongue and draws it posteriorly (retraction)

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20
Q

Digastric (Anterior & Posterior)

A

mandible
mastoid process of the temporal bone
opens the mouth

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21
Q

Sternocleidomastoid

A

Sternum and clavicle
mastoid process of the temporal bone
flex neck, rotating head side to side

22
Q

Scalenes (anterior, middle, posterior)

A

cervical vertebrae
the first and second rib
elevate and tilt neck

23
Q

Sternohyoid

A

Manubrium and clavicle
hyoid
depression of hyoid bone

24
Q

Diaphragm

A

Sternum, costal cartilages, and lumbar vertebrae
central tendon
expands thoracic cavity

25
Q

External intercostals

A

the inferior border of rib above
the superior border of rib below
elevates rubs during respiration

26
Q

Rectus abdominis

A

inferior 8 ribs
iliac crest and linear alba
compresses the abdomen, flexion of the trunk

27
Q

External oblique

A

inferior 8 ribs
iliac crest and linear alba
compresses and flexes abdomen

28
Q

Internal oblique

A

iliac crest, inguinal ligament, and thoracolumbar fascia
the cartilage of last 3 and 4 ribs and linear alba
compresses and flexes abdomen

29
Q

Quadratus lumborum

A

iliac crest
rib cage and lumbar vertebrae
laterally flex the trunk, raise hip

30
Q

spinalis capitis

A

the spinous process of cervical vertebra and thoracic vertebrae
mastoid process of the temporal bone
the prime mover for head extension

31
Q

spinalis thoracis

A

Spinous processes
Spinous processes
extend the head at the neck

32
Q

Longissimus -thoracic

A

Thoracic part - spinous and transverse processes of vertebrae
The lumbar part of thoracic
Extension and flexion of the spine

33
Q

Longissimus cervicis

A

Transverse Processes or thoracic vertebra
Transverse processes of cervical vertebrae
Extension and flexion of the spine

34
Q

Longissimus thoracis

A

Lumbar spine
ribs and transverse process of vertebrae
extensions and flexion of the spine

35
Q

Iliocostalis lateral, cervices, throacis, lumborum

A

ribs, sacrum, medial end of the iliac crest, thoracolumbar fascia
vertebrae
extension and flexion of the spine

36
Q

Coccygeus

A

Ischial Spine
Inferior sacrum, Coccyx
Tenses and supports pelvic floor

37
Q

Ischiocavernosus

A

Ischial tuberosity and ramus
Crus of clitoris or penis
maintains erection

38
Q

External anal sphincter

A

Skin fascia surrounding anal canal/anus
perineal body
closes anal opening

39
Q

corrugator supercilii

A

orbital margin, which is the rim of the eye socket
the outer part of each eye socket
wrinkles brow (frowning)

40
Q

inferior rectus

A

the inferior part of the common tendinous ring
sclera
moves eyeball

41
Q

superior oblique

A

sphenoid bone
the surface of the eyeball
moves eyeball

42
Q

Masseter

A

Maxilla and Zygomatic arch
angle and ramus of the mandible
closes the mouth and retracts back the mandible

43
Q

Medial pterygoid

A

pterygoid plate
ramus, mandible
moves mandible from side to side elevates and protracts

44
Q

Lateral Pterygoid

A

bottom of the sphenoid bone
temporomandibular joint and the condyloid process
opens mouth and moves mandible side to side

45
Q

Genioglossus

A

Mandible
under the surface of the tongue and hyoid bone
depresses tongue and thrusts it anteriorly

46
Q

Styloid process on temporal bone

A

Body of hyoid bone
Hyoid bone
Hyoglossus depresses and retracts tongue

47
Q

Splenius capitis

A

styloid process near its apex
stylomandibular ligament
tip and sides of the tongue
Extend neck, rotate the neck

48
Q

Internal intercostals

A

The superior border of rib below
The inferior border of rib above
depresses ribs during forced expiration

49
Q

Transversus abdominis

A

lliac crest
inguinal ligament, lumbar fasci
Compresses Abdomen

50
Q

Erector Spinae Muscles

A

Spinous processes of thoracic vertebrae
The spinous process of the thorax
Bilateral extension of the spine / unilaterally flexion of the spine

51
Q

Spinalis cervicis

A

lower ligament nuchae, the spinous process of C6 or C7
spinous processes of the axis (sometimes C3 and C4)
extend the head at the neck

52
Q

Levator ani

A

Pubic Bones, Fascia, Ischial Spine
rectum, coccyx, perineal body
supports pelvic floor

Muscles of Head, Neck, Trunk, Abdomen, Back (2 decks)

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