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Anatomy Exam 4 > Muscles > Flashcards

Muscles Flashcards

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1
Q

Occipitofrontalis–frontal belly

A

–epicranial aponeurosis to skin and subcutaneous tissue of eyebrows and forehead

–elevates eyebrows and wrinkles skin of forehead

–facial nerve

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2
Q

Occipitofrontalis–occipital belly

A

–superior nuchal line to epicranial aponeurosis

–retracts scalp

–facial nerve

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3
Q

Buccinator

A

–mandibular and maxillary alveolar processes and pterygomandibular raphe to angle of mouth

–presses cheek against teeth, resists distension of cheek when blowing

–facial nerve

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4
Q

Orbicularis oris

A

–anterior mandible and maxilla and angle of mouth to mucus membrane of lips

–closes mouth, compresses and protrudes lips, resists distension of lips when blowing

–facial nerve

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5
Q

Orbicularis oculi

A

–medial orbit margin and medial palpebral ligament to skin around margin of orbit and superior and inferior tarsal plates within eyelids

–closes eyelids

–facial nerve

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6
Q

Masseter

A

–inferior border of zygomatic bone and zygomatic arch to angle of mandible and lateral surface of ramus of mandible

–elevate and protrude mandible

–anterior division of mandibular nerve

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7
Q

Temporalis

A

–temporal fossa to coronoid process of mandible

–elevate and retrude mandible

–anterior division of mandibular nerve

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8
Q

Lateral pterygoid

A

–greater wing of sphenoid and lateral pterygoid plate to condyloid process of mandible and joint capsule and articular disc of TMJ

–Uni: laterally deviates jaw to contralateral side (chewing)
Bi: protrudes and depresses mandible

–Anterior division of mandibular nerve

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9
Q

Medial pterygoid

A

–lateral pterygoid plate to medial surface of ramus and angle of mandible

–Uni: laterally deviates jaw to contralateral side (chewing)
Bi: protrudes and elevates mandible

–Anterior divison of mandibular nerve

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10
Q

Levator palpebrae superioris

A

–lesser wing of sphenoid to superior tarsus and skin of superior eyelid

–elevates superior eyelid

–oculomotor nerve

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11
Q

Superior rectus

A

–common tendinous ring to superior sclera

–elevates, adducts, and medially rotates eye

–oculomotor nerve

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12
Q

Inferior rectus

A

–common tendinous ring to inferior sclera

–depresses, adducts, and laterallyl rotates eye

–oculomotor nerve

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13
Q

Lateral rectus

A

–common tendinous ring to lateral sclera

–abducts eye

–abducens nerve

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14
Q

Medial rectus

A

–common tendinous ring to medial sclera

–adducts eye

–oculomotor nerve

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15
Q

Inferior oblique

A

–anterior floor of orbit to sclera deep to lateral rectus m.

–abducts, elevates, and laterally rotates eye

–oculomotor nerve

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16
Q

Superior oblique

A

–body of sphenoid to tendon through trochlea to sclera deep to superior rectus muscle

–abducts, depresses, and medially rotates eye

–trochlear nerve

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17
Q

Rectus capitis lateralis

A

–occipital bone to transverse process of atlas

–flex and stabilize head

–anterior rami of C1-C2

18
Q

Rectus capitis anterior

A

–occipital bone to lateral mass of atlas

–flex and stabilize head

–anterior rami of C1-C2

19
Q

Longus capitis

A

–occipital bone to transverse processes of cervical vertebrae

–flex head and neck

–anterior rami of cervical spinal nerves

20
Q

Longus colli

A

–anterior tubercle of C1 and bodies of cervical and upper thoracic vertebrae to transverse processes of cervical vertebrae

–flex and rotate neck

–anterior rami of C2-C6

21
Q

Superior pharyngeal constrictor

A

–pterygoid hamulus of sphenoid, pterygomandibular raphe, and greater and lesser horns of hyoid to occipital bone and pharyngeal raphe

–constrict walls of pharynx when swallowing

–pharyngeal branch of vagus

22
Q

Middle pharyngeal constrictor

A

–greater and lesser horn of hyoid to pharyngeal raphe

–constrict walls of pharynx when swallowing

–pharyngeal branch of vagus

23
Q

Inferior pharyngeal constrictor

A

–thyroid and cricoid cartilages to pharyngeal raphe

–constrict walls of pharynx when swallowing

–pharyngeal branch of vagus

24
Q

Stylopharyngeus

A

–styloid process to lateral wall of pharynx

–elevates pharynx during swallowing and speaking

–glossopharyngeal nerve

25
Q

Salpingopharyngeus

A

–cartilage of eustachian tube to lateral wall of pharynx

–elevates pharynx during swallowing and speaking

–pharyngeal branch of vagus

26
Q

Palatopharyngeus

A

–palatine aponeurosis of soft palate to lateral wall of pharynx

–elevates pharynx during swallowing and speaking

–pharyngeal branch of vagus

27
Q

Posterior crico-arytenoid (no attachments)

A

–contract for forced respiration

–inferior laryngeal off of recurrent laryngeal

28
Q

Lateral crico-arytenoid

A

–cricoid to arytenoid cartilage

–contract for phonation

–inferior laryngeal off of recurrent laryngeal

29
Q

Arytenoid

A

–arytenoid to arytenoid

–contract for phonation

–inferior laryngeal off of recurrent laryngeal

30
Q

Thyro-arytenoid

A

–thyroid to arytenoid cartilage

–shorten the length of vocal folds by pulling arytenoid cartilage anteriorly; lowers pitch of voice

–inferior laryngeal off of recurrent laryngeal

31
Q

Vocalis

A

–medial portion of T-A m. from the thyroid cartilage to arytenoid cartilages and portions of vocal ligament

–alters tension of segments of vocal folds to vary tone and pitch of voice

–inferior laryngeal off of recurrent laryngeal

32
Q

Cricothyroid (just innervation)

A

external laryngeal

33
Q

Tensor veli palantini

A

–medial pterygoid plate and cartilage of auditory tube to palantine aponeurosis

–elevates soft palate and opens auditory tube

–mandibular nerve off trigeminal

34
Q

Levator veli palantini

A

–petrous part of temporal bone and cartilage of auditory tube to palantine aponeurosis

–elevates soft palate and opens auditory tube

–pharyngeal branch of vagus

35
Q

Palatoglossus

A

–palantine aponeurosis to lateral surface of tongue

–elevates posterior tongue and draws soft palate onto tongue

–pharyngeal branch of vagus

36
Q

Palatopharyngeus

A

–palatine aponeurosis to lateral wall of pharynx

–elevate pharynx during swallowing and speaking

–pharyngeal branch of vagus

37
Q

Musculus uvulae

A

–posterior nasal spine and palatine aponeurosis to mucosa of uvula

–pulls uvula superiorly

–pharyngeal branch of vagus

38
Q

Genioglossus

A

–mental spine of mandible to dorsum of tongue and body of hyoid

  • -uni: lateral deviation of tongue
    bi: protrudes, depresses tongue and retracts apex of protruded tongue

–hypoglossal

39
Q

Hyoglossus

A

–body and greater horn of hyoid to lateral surface of tongue

–depresses and retrudes tongue

–hypoglossal

40
Q

Styloglossus

A

–styloid process to lateral surface of tongue

–retrudes and curls tongue

–hypoglossal

41
Q

Intrinsic tongue muscles

A

–within dorsum of tongue

–change shape of tongue

–hypoglossal

Anatomy Exam 4 (6 decks)

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