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Living Anatomy I > Final Exam > Flashcards

Final Exam Flashcards

0
Q

Name the muscles in the transversospinalis group, in order of superficial to deep

A

Semispinalis
Multifidi
Rotatores

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1
Q

Name the muscles in the Erector Spinae group

A

Spinalis
Longissimus
Iliocostalis

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2
Q

What is the origin of the Quadratus Lumborum?

A

Iliolumbar ligament, iliac crest

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3
Q

What is the origin of the Serratus Posterior Superior?

A

SP’s of C7-T3

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4
Q

Which muscle inserts on the mastoid process (of the temporal bone) and the lateral part of the superior nuchal line?

A

Splenius Capitis

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5
Q

Which muscle has an origin on the temporal fossa?

A

Temporalis

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6
Q

What is/are the origin(s) of the SCM?

A

Sternal head: Manubrium of the sternum

Clavicular head: Medial clavicle

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7
Q

What is the origin of the Rotatores?

A

TP of L1-C3

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8
Q

Which muscle has its origin on the sacrum and the TP of L1-C4?

A

Multifidi

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9
Q

What is the insertion of the Serratus Posterior Inferior muscle?

A

Posterior surface of ribs 9-12

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10
Q

What is the origin of the Splenius Capitis?

A 
Nuchal ligament (inferior aspect)
SP of C7-T4
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11
Q

What is the origin of the Splenius Cervicis?

A

SP of T3-T6

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12
Q

What is the origin of the Serratus Posterior Inferior?

A

SP of T12-L3

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13
Q

What is the origin of Longissimus?

A
  1. Common tendon (TCA)

2. TP of T5-T1

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14
Q

What is the origin of Iliocostalis?

A
  1. Common tendon (TCA)

2. posterior ribs 1-12

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15
Q

What is the origin of Spinalis?

A
  1. SP of L2-lower thoracic

2. nuchal ligament and SP of C7

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16
Q

What is the origin of the Semispinalis?

A

TP of T10-C4

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17
Q

What is the origin of the Masseter?

A

Zygomatic arch (includes maxilla, zygoma, temporal bones)

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18
Q

What is the origin of the Scalenes?

A

TP of C2-C7

(Anterior= C3-C6
Medial= C2-C7
Posterior= C4-6)
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19
Q

What is the insertion of Quadratus Lumborum?

A

12th rib

TP of L1-L4

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20
Q

What is the insertion of Splenius Cervicis?

A

TP of C1-C3

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21
Q

What is the insertion of the Multifidi?

A

SP of L1-C2

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22
Q

What is the origin of Multifidi?

A

Sacrum

TP of L1-C4

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23
Q

What is the insertion of Rotatores?

A

SP of L1-C2

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24
Q

What is the insertion of Serratus Posterior Superior?

A

Posterior surface of 2nd-5th ribs

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25
Q

What is the insertion of Temporalis?

A

Coronoid process of the mandible

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26
Q

What is the insertion of the SCM?

A

Mastoid process of the temporal bone

Lateral superior nuchal line of the occiput

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27
Q

What is the origin of the Temporalis?

A

Temporal fossa (includes frontal, parietal, temporal, and sphenoid greater wing)

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28
Q

What is the insertion of the Scalenes?

A 
1st rib (anterior and middle)
2nd rib (posterior)
29
Q

What are the insertions of Spinalis?

A
  1. SP of the upper thoracic
  2. SP of C7-C2

(*Note: Has fibers that blend with the semispinalis (capitis) to extend muscle all the way to the occiput)

30
Q

What are the insertions of Longissimus?

A
  1. Ribs 3-12 & TPs of T1-T12
  2. TPs of C1-C7
  3. Mastoid process
31
Q

What are the insertions of Iliocostalis?

A
  1. TPs of L1-L3 and posterior ribs 6-12
  2. posterior ribs 1-6
  3. TPs of lower cervical
32
Q

What is the insertion of the Masseter?

A

Angle & ramus of the mandible

33
Q

What are the insertions of Semispinalis?

A
  1. SP of T7-C2

2. nuchal lines on the skull

34
Q

Which muscle inserts on the 12th rib and the TPs of L1-L4?

A

Quadratus Lumborum

35
Q

Which muscle has an insertion on the posterior surface of the 2nd-5th ribs?

A

Serratus Posterior Superior

36
Q

What is the insertion of Splenius Capitis?

A 
Mastoid process (of temporal bone)
and lateral part of superior nuchal line
37
Q

Which muscle inserts on ribs 3-12 and the TPs of T1-T12, the TPs of C1-C7, and the mastoid process?

A

Longissimus

38
Q

Which muscle has an origin on the zygomatic arch?

A

Masseter

39
Q

Which muscle has an insertion on the coronoid process of the mandible?

A

Temporalis

40
Q

Which muscle has an insertion on the angle and ramus of the mandible?

A

Masseter

41
Q

Which muscle has an insertion on the mastoid process of the temporal bone and the lateral superior nuchal line of the occiput?

A

SCM

42
Q

Which muscle inserts on the 1st and 2nd ribs?

A

The Scalenes

43
Q

Which muscle inserts on the posterior surface of ribs 9-12?

A

Serratus Posterior Inferior

44
Q

Which muscle inserts on the SP of the upper thoracic and the SP of C7-C2?

A

Spinalis

45
Q

Which muscle originates on the iliolumbar ligament and the iliac crest?

A

Quadratus Lumborum

46
Q

Which muscle has its origin on the SP of L2 through the lower thoracic AND on the nuchal ligament plus SP C7?

A

Spinalis

47
Q

Which muscle has an origin on 1) the TCA and 2) the TPs of T5-T1?

A

Longissimus

48
Q

Which muscle has an origin on 1) the TCA and 2) posterior ribs 1-12?

A

Iliocostalis

49
Q

Which muscle inserts on 1) the TPs of L1-L3, 2) posterior ribs 1-6, and 3) TPs of the lower cervical?

A

Iliocostalis

50
Q

Which muscle has its origin on the TP of L1-C3 and inserts on the SP of L1-C2?

A

Rotatores

51
Q

Which muscle has an origin on the sacrum and on the TP of L1-C4 and inserts on the SP of L1-C2?

A

Multifidi

52
Q

Which muscle has an origin on the TP of T10-C4 and inserts on the SP of T7-C2 and the nuchal lines on the skull?

A

Semispinalis

53
Q

Which muscle has an origin on the SP of T3-T6 and inserts on the TP of C1-C3?

A

Splenius Cervicis

54
Q

Which muscle has an origin on the nuchal ligament (inferior aspect) and the SP of C7-T4 and inserts on the mastoid process and the lateral part of the superior nuchal line?

A

Splenius capitis

55
Q

What are the actions of Splenius Capitis?

A

Extension of head/neck
Rotates head and neck (ipsilateral)
Lateral flexion of the neck (ipsilateral)

56
Q

What are the actions of Splenius Cervicis?

A

Extension of head/neck
Rotation of neck & neck (ipsilateral)
Lateral flexion of the neck (ipsilateral)

57
Q

What is the action of Serratus Posterior Superior?

A

Elevates ribs during inhalation

58
Q

What is the action of Serratus Posterior Inferior?

A

depress ribs during exhalation

59
Q

What is the action of Spinalis?

A

Extension of the spine

60
Q

What is the action of Longissimus?

A

Extend
Laterally flex
rotate the vertebral column (ipsilateral)

61
Q

What are the actions of Iliocostalis?

A

Ipsilateral extension
rotation
lateral flexion of the spine (strongest!)

62
Q

What is the action of the Semispinalis?

A

extension of the spine, especially neck

63
Q

What are the actions of the Multifidi?

A

Unilaterally: contralateral rotation of the spine
Bilaterally: extend the spine

64
Q

What is the action of the rotatores?

A

Contralateral rotation of the vertebrae above

65
Q

Which muscle in the transversospinalis group spans 2-4 vertebrae?

A

Multifidi

66
Q

What are the actions of Quadratus Lumborum?

A

Laterally flex the spine (ipsilateral)
Assists in extension of the spine
Lifts the posterior iliac crest superiorly (hip-hiker)
Fixes the ribs in inhalation and forced exhalation

67
Q

What are the actions of Temporalis?

A

Elevation of the mandible

Retraction of the mandible

68
Q

What are the actions of the Masseter?

A

Elevation of the mandible
Protrustion of the mandible
side to side movements of chewing

69
Q

What are the actions of the SCM?

A

Unilaterally: lateral flexion to same side, rotation to opposite side
Bilaterally: flexes neck

Also:
draws head ventrally and elevates chin, assists in inhalation

70
Q

What are the actions of the Scalenes?

A

Unilaterally: lateral flexion to the same side
Bilaterally: neck flexion

Also- assists inspiration by raising ribs 1 & 2

Living Anatomy I (5 decks)

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