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PHTH 511: Anatomy > Abdomen OIIA's > Flashcards

Abdomen OIIA's Flashcards

1
Q

Origin: External oblique

A

Outter surface of ribs 5-12

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2
Q

Insertion: External oblique

A

Linea alba, pubic crest, ASIS & iliac crest

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3
Q

Innervation: External oblique

A

Anterior rami of T7-L1

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4
Q

Action: External oblique

A

Rotates trunk to the opposite side & compress abdominal contents

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5
Q

Origin: Internal oblique

A

Thoracolumbar fascia, iliac crest, inguinal ligament

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6
Q

Insertion: Internal oblique

A

Lower margins of ribs 9-12, pubic crest, inguinal ligament

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7
Q

Innervation: Internal oblique

A

Anterior rami of T7-T12

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8
Q

Action: Internal oblique

A

Rotation to the same side & compresses abdominal contents

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9
Q

Origin: Transverse abdominis

A

Thoracolumbar fascia, iliac crest, inguinal ligament, costal cartilages of lower ribs

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10
Q

Insertion: Transverse abdominis

A

Linea alba, pubic crest, pectineal line

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11
Q

Innervation: Transverse abdominis

A

Anterior rami of T7 to T12 and L1

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12
Q

Action: Transverse abdominis

A

Compress abdominal contents

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13
Q

Origin: Rectus abdominis

A

Pubic crest, tubercle, and symphysis

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14
Q

Insertion: Rectus abdominis

A

Costal cartilages of ribs 5-7 & xiphoid process

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15
Q

Innervation: Rectus abdominis

A

Anterior rami of T7-T12

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16
Q

Action: Rectus abdominis

A

Flex vertebral column and compress abdominal wall

17
Q

Origin: Pyramidalis

A

Front of pubis and pubic symphysis

18
Q

Insertion: Pyramidalis

A

Linea alba

19
Q

Innervation: Pyramidalis

A

Anterior ramus of T12

20
Q

Action: Pyramidalis

A

Tenses linea alba

21
Q

Origin: Psoas major

A

Bodies of T12-L5 vertebrae, and transverse processes of lumbar vertebrae

22
Q

Insertion: Psoas major

A

Lesser trochanter of femur

23
Q

Innervation: Psoas major

A

Anterior rami of L1-L3

24
Q

Action: Psoas major

A

Hip flexion

25
Q

Origin: Psoas minor

A

Bodies of T12-L1 vertebrae

26
Q

Insertion: Psoas minor

A

Pectineal line of the pelvic brim & iliopubic eminence

27
Q

Innervation: Psoas minor

A

Anterior rami of L1

28
Q

Action: Psoas minor

A

-Hip flexion
-Helps w/ posterior pelvic tilt

29
Q

Origin: Iliacus

A

Upper two thirds of iliac fossa

30
Q

Insertion: Iliacus

A

Lesser trochanter of femur

31
Q

Innervation: Iliacus

A

Femoral nerve (L2-L3)

32
Q

Action: Iliacus

A

Hip flexion

33
Q

Origin: Quadratus lumborum

A

Iliac crest and iliolumbar ligament

34
Q

Insertion: Quadratus lumborum

A

Transverse processes of L1-L4 vertebrae and inferior border of rib 12

35
Q

Innervation: Quadratus lumborum

A

Anterior rami of T12-L4

36
Q

Action: Quadratus lumborum

A

Depresses and stabilizes rib 12 during respiration & lateral bending of trunk

PHTH 511: Anatomy (9 decks)

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