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Anatomy 711 PT > torso muscles > Flashcards

torso muscles Flashcards

1
Q

diaphragm origin

A

xiphoid process, lower six costal cartilages, bodies of L1-L3

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2
Q

diaphragm insertion

A

Converge into central tendon

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3
Q

diaphragm action

A

draws tendon down and forward during inspiration

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4
Q

diaphragm nerve innervation

A

Phrenic

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5
Q

External Intercostals origin

A

Lower Border of Ribs

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6
Q

External Intercostals insertion

A

Upper border of rib inferior to rib of origin

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7
Q

External Intercostals action

A

supports intercostal space and elevates ribs in inspiration

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8
Q

External Intercostals nerve innervation

A

Intercostals

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9
Q

internal intercostals origin

A

upper border of ribs

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10
Q

internal intercostals insertion

A

costal cartilages and edge of costal groove of rib superior rib of origin

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11
Q

internal intercostals action

A

supports intercostal spaces and lowers ribs

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12
Q

internal intercostals nerve innervation

A

Intercostals

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13
Q

innermost intercostals origin

A

lower border of ribs

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14
Q

innermost intercostals insertion

A

Upper border of rib inferior to rib of origin

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15
Q

innermost intercostals action

A

elevates ribs

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16
Q

innermost intercostals nerve innervation

A

Intercostals

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17
Q

subcostal origin

A

internal surface of lower ribs near their angles

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18
Q

subcostal insertion

A

superior border of 2nd or 3rd rib inferior

19
Q

subcostal action

A

depresses ribs

20
Q

subcostal nerve innervation

A

Intercostals

21
Q

transverse thoracis origin

A

internal surfaces of costal cartilages 2-6

22
Q

transverse thoracis insertion

A

posterior surface of lower sternum

23
Q

transverse thoracis action

A

depresses ribs and costal cartilages

24
Q

transverse thoracis nerve innervation

A

Intercostals

25
Q

External obligue origin

A

external surfaces of ribs 5-12

26
Q

External obligue insertion

A

linea alba, pubic tubercle, anteriro half of iliac crest

27
Q

External obligue action

A

compresses and supports abdomial viscera, flexes and rotates trunk

28
Q

External obligue nerve innervation

A

Ventral Rami of 6 inferior thoracic nerves

29
Q

internal oblique origin

A

thoracolumbar fasica, anterior 2/3 of iliac crest, lateral half of inguinal ligament

30
Q

internal oblique insertion

A

inferior border of ribs 10-12, linae alba, pubis via conjoint tendon

31
Q

internal oblique action

A

compresses and supports abdominal viscera, flexes and rotates the trunk

32
Q

internal oblique nerve innervation

A

Ventral Rami of 6 inferior thoracic nerves and first lumbar nerves

33
Q

pyramidals origin

A

body of pubis, anterior to rectus abdominus

34
Q

pyramidals insertion

A

linae alba

35
Q

pyramidals action

A

tenses linae alba

36
Q

pyramidals nerve innervation

A

iliohypogastric nerve

37
Q

rectus abdominus origin

A

pubic symphysis, pubic crest

38
Q

rectus abdominus insertion

A

xiphoid process, costal cartilages

39
Q

rectus abdominus action

A

flexes trunk, compresses abdominal viscera

40
Q

rectus abdominus nerve innervation

A

ventral rami of 6 inferior thoracic nerves

41
Q

transversus abdominus origin

A

costal cartilages 7-12, thoracolumbar fascia, iliac crest, lateral third of inguinal ligament

42
Q

transversus abdominus insertion

A

linae alba with aponeurosis of internal oblique, pubis crest, and pecten pubis via conjoint tendon

43
Q

transversus abdominus action

A

compresses and supports abdominal viscera

44
Q

transversus abdominus nerve innervation

A

ventral rami of 6 inferior thoracic and first lumbar nerves

Anatomy 711 PT (22 decks)

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