Muscles For Respiration Flashcards

1
Q

Diaphragm (origin)

A

Xiphoid process
Lower 6 costal cartilages
L1-L3 vertebrae

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2
Q

Diaphragm (insertion)

A

Central tendon (tip of dome)

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3
Q

Diaphragm (action)

A

Draws central tendon down and forward during inspiration

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4
Q

Diaphragm (nerve)

A

Phrenic nerve

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5
Q

Diaphragm (blood)

A

Pericardiacophrenic
Musculophrenic
Superior and inferior phrenic arteries

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6
Q

Internal intercostals (origin)

A

Lower border of rib (11 pairs)

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7
Q

Internal intercostals (insertion)

A

Upper border of rib below origin

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8
Q

Internal intercostals (action)

A

Breathing out

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9
Q

Internal intercostals (nerve)

A

Intercostal nerves

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10
Q

Internal intercostals (blood)

A

Posterior and anterior intercostal arteries

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11
Q

External intercostals (origin)

A

Lower border of rib (11 pairs)

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12
Q

External intercostals (insertion)

A

Upper border of rib below origin

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13
Q

External intercostals (action)

A

Lift the ribs up when you breathe in

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14
Q

External intercostals (blood)

A

Posterior and anterior intercostal arteries

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15
Q

Serratus posterior superior (origin)

A

Ligamentum nuchae
Spinous processes of C7-T3

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16
Q

Serratus posterior superior (insertion)

A

Superior aspect of ribs 2-4

17
Q

Serratus posterior superior (action)

A

Elevation of ribs

18
Q

Serratus posterior superior (nerve)

A

Ventral rami of upper thoracic nerves

19
Q

Serratus posterior superior (blood)

A

Posterior intercostal arteries

20
Q

Serratus posterior inferior (origin)

A

Spinous processes of T11-L2

21
Q

Serratus posterior inferior (insertion)

A

Inferior aspect of ribs 9-12

22
Q

Serratus posterior inferior (action)

A

Depresses ribs

23
Q

Serratus posterior inferior (nerve)

A

Ventral rami of lower thoracic nerves

24
Q

Serratus posterior inferior (blood)

A

Posterior intercostal arteries

25
Levatores costarum (origin)
Transverse processes C7-T11
26
Levatores costarum (insertion)
Corresponding rib at superior border Between costal angle and tubercle
27
Levatores costarum (action)
Assists with deep inspiration
28
Levatores costarum (nerve)
Dorsal rami
29
Levatores costarum (blood)
Posterior intercostal arteries
30
Pectoralis minor (origin)
Ribs 3-5
31
Pectoralis minor (insertion)
Corocoid process of scapula
32
Pectoralis minor (action)
Depression of shoulders Downward rotation of scapula
33
Pectoralis minor (nerve)
Medial pectoral nerve
34
Pectoralis minor (nerve)
Medial pectoral nerve
35
Pectoralis minor (blood)
Pectoral branch of thoracoacromial and intercostal lateral thoracic arteries