Respiratory System: Muscles of Exhalation Flashcards

1
Q

Abdominal Muscles

A

Rectus Abdominis
External Oblique
Internal Oblique
Transversus Abdominis

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2
Q

Rectus Abdominis

A

Superficial
Enveloped in Abdominal aponeurosis

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3
Q

Rectus Abdominis Attachments

A

Pubic bone
Sternum
Costal Cartilage 1-7

(HTR: abs-> pubis; abs -> stern; abs -> six pack +1 +1)

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4
Q

Rectus Abdominis Function

A

Pull down Sternum and ribs (T& AP)
Compress abdominal viscera (pushes diaphragm up)

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5
Q

External Oblique

A

Superficial, Fibers run hand in vest pocket

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6
Q

External Oblique Attachments

A

Ilium
Lower ribs
Abdominal Aponeurosis

HTR: next to pubis (rectus); next to aponeurosis

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7
Q

External Oblique Functions

A

Compress viscera (pushes up dia)
Lowers ribs

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8
Q

Internal Oblique

A

Deep to external oblique
Fibers run hand groping chest

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9
Q

Internal Oblique Attachments

A

Ilium
lower ribs
Abdominal Aponeurosis
Inguinal ligament

HTR: SAME AS EXTERNAL + inguinal ligament

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10
Q

Internal Oblique Functions

A

Compress Viscera
Lowers ribs

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11
Q

Transversus Abdominis

A

Side to side fibers
deepest muscle

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12
Q

Transversus Abdominis Attachments

A

Ilium
Lower ribs
Abdominal Aponeurosis
Inguinal Ligament
Lumbar fascia

HTR: Internal Oblique + Lumbar Fascia from Lats (backest)

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13
Q

Transversus Abdominis Function

A

Compress Viscera
Lower ribs

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14
Q

Rib cage Muscles

A

Internal Intercostals
Subcostals
Transversus Thoracis
Serratus Posterior Inferior
Quadratus Lumborum

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15
Q

Internal Intercostals

A

Deep to external intercostals
may activate all together or individually
Fibers run hand groping chest formation

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16
Q

Internal Intercostals Attachments

A

Upper border of lower rib to lower border of upper rib
fills space between rib except posterior

17
Q

Internal Intercostals Function

A

Lowers ribcage
EFFECTIVE
Contacts 75% of lungs surface area

18
Q

Subcostals Attachments

A

Ribs near vertebral column
Attaches to ribs 1+ higher
highly variable placements across people

HTR: underneath costals back -> vertebrae

19
Q

Subcostals Function

A

Pulls down ribs

20
Q

Transversus Thoracis

A

Inside front wall of chest/ribs

21
Q

Transversus Thoracis Attachments

A

Lower sternum
Ribs 2-6

HTR: underneath ribs right behind sternum, TT-> 2-6

22
Q

Serratus Posterior Inferior Attachments

A

Lower Thoracic to upper lumbar vertebrae
Lower ribs

HTR: ALL the lower regions of ribcage

23
Q

Serratus Posterior Inferior Functions

A

Pulls ribcage down

EFFECTIVE

24
Q

Quadratus Lumborum Attachments

A

Ilium
Rib 12 (LAST ONE)

25
Q

Quadratus Lumborum Function

A

Pulls ribcage down