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PTRS 710 Exam 1 > Associated Lung Muscles > Flashcards

Associated Lung Muscles Flashcards

1
Q

Iliocostalis Thoracis Origin

A

Upper border of ribs 6-12

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2
Q

Iliocostalis Thoracis Insertion

A

Lower border of angles of 1-6

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3
Q

Iliocostalis Thoracis Innervation

A

Dorsal rami of spinal nerves

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4
Q

Iliocostalis Thoracis Action

A

Extension of vertebral column, erect posture, and stabilize vertebral column bilaterally
Lateral bend/rotation to same side unilaterally

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5
Q

Anterior Scalene Origin

A

Transverse processes of C3-C6

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6
Q

Anterior Scalene Insertion

A

Scalene tubercle of 1st rib

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7
Q

Anterior Scalene Innervation

A

Anterior rami of C5, C6

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8
Q

Anterior Scalene Action

A

Elevate ribs during heavy inspiration or laterally bend neck/head to one side

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9
Q

Middle Scalene Origin

A

Transverse processes of C2-7

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10
Q

Middle Scalene Insertion

A

1st rib posterior to subclavian artery groove

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11
Q

Middle Scalene Innervation

A

Anterior rami of C3-C8

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12
Q

Middle Scalene Action

A

Elevate ribs during heavy inspiration or laterally bend neck/head to one side

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13
Q

Posterior Scalene Origin

A

Transverse process of C5-C7

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14
Q

Posterior Scalene Insertion

A

Upper surface of 2nd rib

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15
Q

Posterior Scalene Innervation

A

Anterior rami of C6-C8

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16
Q

Posterior Scalene Action

A

Elevate ribs during heavy inspiration or laterally bend neck/head to one side

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17
Q

Internal/External Intercostals Origin

A

Inferior border of ribs

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18
Q

Internal/External Intercostals Insertion

A

Superior border of ribs

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19
Q

Internal/External Intercostals Innervation

A

Intercostal nerves (T1-T11)

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20
Q

Internal/External Intercostals Action

A

Fix intercostal spaces during respiration. Elevates ribs during forced expiration (External)
Fix intercostal spaces during expiration. Elevates ribs during forced inspiration. (Internal)

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21
Q

Transverse Thoracic Origin

A

Lower third of inner aspect of sternum

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22
Q

Transverse Thoracic Insertion

A

2nd-6th costal cartilages

23
Q

Transverse Thoracic Innervation

A

Intercostal nerves (T2-T6)

24
Q

Transverse Thoracic Action

A

Depress upper limbs

25
Q

Innermost Intercostals Origin/Insertion

A

Internal aspect of ribs

26
Q

Innermost Intercostals Innervation

A

Intercostal nerves (T1-T11)

27
Q

Innermost Intercostals Action

A

Fix intercostal spaces

28
Q

Subcostal Origin

A

Internal posterior aspect of lower 6 ribs

29
Q

Subcostal Insertion

A

Internal aspects of ribs 2-3 levels below

30
Q

Subcostal Innervation

A

Intercostal nerves

31
Q

Subcostal Action

A

Depress lower ribs

32
Q

Serratus Posterior Superior Origin

A

Nuchal ligament & spinous process of C7-T3

33
Q

Serratus Posterior Superior Insertion

A

Superior posterior border of 3-6 ribs

34
Q

Serratus Posterior Superior Innervation

A

2nd-5th intercostal nerves

35
Q

Serratus Posterior Superior Action

A

Raise ribs during inspiration

36
Q

Serratus Posterior Inferior Origin

A

Spinous process of T11-L2

37
Q

Serratus Posterior Inferior Insertion

A

Inferior posterior border of 8-12 ribs

38
Q

Serratus Posterior Inferior Innervation

A

T9-12 intercostal nerves

39
Q

Serratus Posterior Inferior Action

A

Depress ribs during expiration

40
Q

Levator Costarum Origin

A

Transverse processes of C7-T11

41
Q

Levator Costarum Insertion

A

Upper posterior edge of rib

42
Q

Levator Costarum Innervation

A

Dorsal rami of C7-T11

43
Q

Levator Costarum Action

A

Elevate ribs during inspiration

44
Q

Pec Major Origin

A

Costal margin
Sternum
Medial Clavicle

45
Q

Pec Major Insertion

A

Crest of greater tubercle of humerus

46
Q

Pec Major Innervation

A

Lateral & Medial pectoral nerves

47
Q

Pec Minor Origin

A

Outer surface of ribs 3-5

48
Q

Pec Minor Insertion

A

Coracoid process of scapula

49
Q

Pec Minor Innervation

A

Medial pectoral nerve

50
Q

Pec Minor Action

A

Pull scapula down and anterior

Elevate ribs if scapula fixed

51
Q

Serratus Anterior Origin

A

Upper outer surface of ribs 1-8

52
Q

Serratus Anterior Insertion

A

Medial angle
Vertebral border
Inferior angle of scapula

53
Q

Serratus Anterior Innervation

A

Long thoracic nerve

54
Q

Serratus Anterior Action

A

Pull scapula forward

Prevent winged scapula

PTRS 710 Exam 1 (7 decks)

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