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Human anatomy > Axial Musculature > Flashcards

Axial Musculature Flashcards

1
Q

Frontalis

A

Origin- Epicranial aponeurosis
Insertion- Skin of forehead
Action:Furrow Brow

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2
Q

Occipitalis

A

Origin- Superior Nuchal line of occipital
Insertion- Epicranial aponeurosis
Action- Unfurrow brow

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3
Q

Orbicularis oculi

A

Origin-Medial orbital margin
Insertion-Eyelids
Action-Close eyelids

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4
Q

Orbicularis oris

A

Origin-Surrounding lips
Insertion-lips at corner of the mouth
Action-Close lips

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5
Q

Depressor anguli oris

A

Origin-Body of mandible
Insertion-Lips at the corner of the mouth
Action-Frowning

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6
Q

Depressor labii inferioris

A

Origin-Body of mandible
Insertion-Lower lip
Action-Depress lip

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7
Q

Levator labii superioris

A

Origin-Maxilla (infraorbital margin)
Insertion- Upper lip
Action-elevates upper lip

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8
Q

Zygomaticus major

A

Origin-Temporal process of the zygomatic bone
Insertion-Lips at corner of mouth
Action-Smiling

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9
Q

Zygomaticus minor

A

Origin-Zygomatic bone (medial to major)
Insertion- Lips at corner of mouth
Action-Smiling

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10
Q

Buccinator

A

Origin-Maxilla and Mandible
Insertion-Orbicularis oris
Action-compress cheeks

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11
Q

Inferior rectus

A

Origin-Sphenoid bone around optic canal
Insertion-Inferior, medial surface of the eyeball
Action-Eye looks down

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12
Q

Medial rectus

A

Origin-sphenoid bone around optic canal
Insertion-Medial surface of eyeball
Action- eye rotates medially

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13
Q

Superior rectus

A

Origin-sphenoid bone around optic canal
Insertion-Superior surface of eyeball
Action-Eye looks up

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14
Q

Lateral rectus

A

Origin-sphenoid bone around optic canal
Insertion-lateral surface of eyeball
Action-Eye rotates laterally

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15
Q

Inferior oblique

A

Origin-maxillary bone at anterior portion of orbit
Insertion-Inferior, lateral surface of eyeball
Action-Eye rolls, looks up and to the side

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16
Q

Superior oblique

A

Origin-Sphenoid bone around optic canal
Insertion-Superior, lateral surface of eyeball
Action-Eye rolls, looks down and to the side

17
Q

Masseter

A

Origin-Zygomatic arch
Insertion-Ramus of mandible
Action-Elevate mandible, close jaw, chew

18
Q

Temporalis

A

Origin-Temporal line
Insertion-Coronoid process of mandible
Action-Elevate mandible

19
Q

Lateral pterygoid

A

Origin-pterygoid process of sphenoid bone
Insertion-Mandible
Action-Depress mandible

20
Q

Medial pterygoid

A

Origin-pterygoid process of sphenoid bone
Insertion-Mandible
Action-Elevate mandible

21
Q

Genioglossus

A

Origin-Body of mandible
Insertion-Tongue
Action- Protract tongue

22
Q

Hyoglossus

A

Origin-Hyoid
Insertion-Tongue
Action- Depress tongue

23
Q

Styloglossus

A

Origin-Styloid process of temporal
Insertion-Tongue
Action-Retract tongue

24
Q

Sternocleidomastoid

A

Origin-Calvicular head:Sternal end of clavicle/Sternal head:Manubrium
Insertion-Mastoid process
Action Rotate or flex head and neck

25
Q

Omohyoid

A

Origin-Superior of scapula and clavicle
Insertion-Hyoid
Action-Depress hyoid and larynx

26
Q

Digastric

A

Origin-Inferior belly:Body of mandible/Superior belly:Mastoid process
Insertion-Hyoid
Action-Depress mandible, elevate hyoid

27
Q

Sternohyoid

A

Origin-Manubrium
Insertion-Hyoid
Action-Depress hyoid and larynx

28
Q

Sternothyroid

A

Origin-Manubrium
Insertion-Thyroid cartilage of larynx
Action-Depress hyoid and larynx

29
Q

Stylohyoid

A

Origin-Styloid process of temporal
Insertion-Hyoid
Action-Elevate hyoid and larynx

30
Q

Splenius capitis

A

Origin-cervical and thoracic spinous process
Insertion-Mastoid process of temporal, nuchal lines of occipital
Action-Extend neck

31
Q

Scalenes

A

Origin-Cervical transverse process
Insertion-Ribs 1 & 2
Action- elevate ribs

32
Q

Diaphragm

A

Origin-Xyphoid, ribs, and lumbar vertebrae
Insertion-Central tendon at the inferior boundary of the thoracic cavity
Action- Expand thoracic cavity

33
Q

External intercostals

A

Origin-Inferior border of ribs
Insertion-Superior border of ribs
Action-Elevate ribs

34
Q

Internal intercostals

A

Origin-Superior border of ribs
Insertion-Inferior border of ribs
Action-Depress ribs

35
Q

Rectus abdominus

A

Origin-pubic symphysis
Insertion-Xiphoid and costal cartilages
Action-Flex vertebral column (sit up)

36
Q

External abdominal oblique

A

Origin-Ribs 5-12
Insertion-Iliac crest and linea alba
Action-Flex, rotate vertebral column

37
Q

Internal abdominal oblique

A

Origin-Iliac crest and thoracolumbar fascia
Insertion-Costal cartilages and linea alba
Action-Flex, rotate vertebral column

38
Q

Transversus abdominis

A

Origin-Ribs 7-12, iliac crest, thoracic and lumbar spinous process
Insertion-Linea alba and pubis
Action-compress abdomen

Human anatomy (27 decks)

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