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gross > Muscles Of Thorax And Abdomen > Flashcards

Muscles Of Thorax And Abdomen Flashcards

0
Q

Insertion of external intercostal

A

Superior border of ribs below

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1
Q

What is the origin of the external intercostal

A

Inferior border of the ribs

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2
Q

Innervation of external intercostal

A

Intercostal nerve

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3
Q

Action of external intercostal

A

Elevates ribs during forced inspiration

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4
Q

Origin of internal intercostal

A

Inferior border of ribs

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5
Q

Insertion of internal intercostal

A

Superior border of ribs below

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6
Q

Innervation of internal intercostal

A

Intercostal nerve

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7
Q

Action of internal intercostal

A

Inerosseous part depresses ribs , interchondral part elevates ribs during forced inspiration

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8
Q

Origin of innermost intercostal

A

Inferior border of ribs

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9
Q

Insertion of innermost intercostal

A

Superior border of ribs below

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10
Q

Innervation of innermost intercostal

A

Intercostal nerve

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11
Q

Action of innermost intercostal

A

Inerosseous part depresses ribs , interchondral part elevates ribs during forced inspiration

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12
Q

Origin of transversus thoacis

A

Posterior surface of lower sternum

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13
Q

Insertion of transversus thoracis

A

Internal surface of costal cartilages 2-6

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14
Q

Innervation of transversus thoracis

A

Intercostal nerve

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15
Q

Action of transversus thoracis

A

Weekly depresses ribs

16
Q

Origin of external oblique

A

External surfaces 5-12 ribs

17
Q

Insertion of external oblique

A

Linea alba, pubic tubercle, anterior half of iliac crest

18
Q

Innervation of external oblique

A

Thoraco-abdominal nerves ( anterior rami of t7-t11) and subcostal nerve

19
Q

Action of external oblique

A

Compresses and support abdominal viscera, flex and rotate trunk

20
Q

Origin of internal oblique

A

Thoracolumbar fascia, anterior 2/3 of iliac crest, connective tissue deep to inguinal ligament

21
Q

Insertion of internal oblique

A

Inferior borders of 10-12 ribs, linea alba, and pubis

22
Q

Innervation of internal oblique

A

Thoraco-abdominal nerves, subcostal and first lumbar nerve

23
Q

Action of internal oblique

A

Compresses and support abdominal viscera, flex and rotate trunk

24
Q

Origin of transversus abdominis

A

Internal surface of 7-12 costal cartilages, thoracolumbar fascia, iliac crest, connective tissue deep to inguinal ligament

25
Q

Insertion of transversus abdominis

A

Linea alba with aponeurosis of internal oblique, pubic crest, and pubis

26
Q

Innervation of transversus abdominis

A

Thoraco-abdominal nerves, subcostal, and first lumbar nerve

27
Q

Action of transversus abdominis

A

Compresses and supports abdominal viscera

28
Q

Origin of rectus abdominis

A

Pubic symphysis and pubic crest

29
Q

Insertion of rectus abdominis

A

Xiohoid press of 5-7 costal cartilages

30
Q

Innervation of rectus abdominis

A

Thoraco-abdominal and subcostal nerves

31
Q

Action of rectus abdominis

A

Flexes trunk and compresses andominal vsicera, stablizes and controls tilt of pelvis

gross (13 decks)

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