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Anatomy Lab > Lab 4 pt 2 > Flashcards

Lab 4 pt 2 Flashcards

1
Q

what is the orbicularis oculi function and innervation?

A
  • closes the eye

- facial nerve (CN VII)

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2
Q

what is the function and innervation of orbiularis oris?

A
  • purses the lips

- facial nerve (CN VII)

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3
Q

what is the function and innervation of the buccinator?

A
  • compresses the cheeks

- facial nerve (CN VII)

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4
Q

what is the function and innervation of the temporalis?

A
  • elevates mandible

- trigeminal nerve (CN V)

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5
Q

what is the function and innervation of the masseter?

A
  • elevates mandible

- trigeminal nerve (CN V)

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6
Q

what is the function and innervation of the sternocleidomastoid?

A
  • both: flexion of neck
  • alone: lateral flexion, contralateral rotation of neck
  • spinal accessory nerve (CN XI)
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7
Q

what is the function of the scalene muscles?

A
  • both: flex neck and elevates ribcage

- alone: lateral flexion of neck

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8
Q

what is the function and innervation of the levator palpebrae superioris?

A
  • raises eyelid

- occulomotor nerve (CN III)

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9
Q

what is the function and innervation of the superior rectus?

A
  • eye looks up

- occulomotor nerve (CN III)

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10
Q

what is the function and innervation of the inferior rectus?

A
  • eye looks down

- occulomotor nerve (CN III)

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11
Q

what is the function and innervation of the lateral rectus?

A
  • eye looks laterally

- abducens nerve (CN VI)

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12
Q

what is the function and innervation of the medial rectus?

A
  • eye looks medially

- occulomotor nerve (CNIII)

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13
Q

what is the function and innervation of the superior oblique?

A
  • eye looks down and laterally

- trochlear nerve (CN IV)

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14
Q

what is the function and innervation of the inferior oblique?

A
  • eye looks up and laterally

- occulomotor nerve (CN III)

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15
Q

what is the function, insertion, and innervation of the trapezius?

A
  • retracts, elevates, and depresses the scapula
  • inserts on the spine of the scapula
  • spinal accessory nerve (CN XI)
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16
Q

what is the function and insertion of the levator scapulae?

A
  • elevate scapula

- inserts on the superior angle of the scapula

17
Q

what is the function and insertion of the rhomboid majors and minors?

A
  • retract scapula

- inserts on medial border of scapula

18
Q

what is the function and insertion of the supraspinatus?

A
  • abduction of arm

- inserts on greater tubercle of humerus

19
Q

what is the function and insertion of the infraspinatus?

A
  • laterally rotate the arm

- inserts on greater tubercle of humerus

20
Q

what is the function, insertion, and innervation of the teres minor?

A
  • laterally rotate arm
  • inserts on greater tubercle of humerus
  • axillary nerve
21
Q

what is the function and insertion of the subscapularis?

A
  • medially rotate arm

- inserts on lesser tubercle of the arm

22
Q

what is the function and insertion of the teres major?

A
  • extends, adducts, and medially rotates the arm

- inserts on lesser tubercle of the arm

23
Q

what is the function, insertion, and innervation of the latissimus dorsi?

A
  • extends, adducts, and medially rotates the arm
  • lesser tubercle of humerus
  • thoracodorsal nerve
24
Q

what is the function of the splenius (capitis and cervicis)?

A
  • both: extension of head and neck

- alone: lateral flexion

25
Q

what is the function of the semispinalis (capitis)?

A
  • both: extension of head and neck

- alone: extension and lateral flexion of head and neck

26
Q

what is the function of the iliocostalis?

A

extension of vertebral column

27
Q

what is the function of the longissimus?

A
  • both: extension of vertebral column

- alone: lateral flexion

28
Q

what is the function of the spinalis?

A

extension of vertebral column

29
Q

what is the function and insertion of the pectoralis major?

A
  • adduction and medial rotation of the arm

- insertion on the intertubercular groove

30
Q

what is the function and insertion of the pectoralis minor?

A
  • protraction and depression of scapula

- inserts on coracoid process of scapula

31
Q

what is the function and innervation of the serratus anterior?

A
  • protraction of scapula

- long thoracic nerve

32
Q

what is the function of the external intercostals?

A

elevates ribcage

33
Q

what is the function of the internal intercostals?

A

depress ribcage

34
Q

what is the function of the rectus abdominis?

A
  • flexion of vertebral column

- compresses abdomen

35
Q

what is the function of the external obliques?

A
  • flexion of vertebral column

- contralateral rotation

36
Q

what is the function of the internal obliques?

A
  • flexion of vertebral column

- ipsilateral rotation

37
Q

what is the function of the transversus abdominis?

A

compresses abdomen

Anatomy Lab (13 decks)

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