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DPT 7015 Clinical Anatomy > Quiz 3: Abdomen & Pelvis > Flashcards

Quiz 3: Abdomen & Pelvis Flashcards

1
Q

External Oblique Origin

A

5th-12th ribs

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2
Q

External oblique Insertion

A

Linea alba
pubic tubercle
anterior iliac crest

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3
Q

External Oblique Action

A

Unilateral: Bends trunk SAME side, rotates trunk to OPPOSITE side

Bilateral: Flexes trunk, compresses abdomen, stabilizes pelvis

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4
Q

Internal Oblique Origin

A

Thoracolumbar fascia
iliac crest
anterior superior iliac spine
iliopsoas fascia

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5
Q

Internal Oblique Insertion

A

10th-12th ribs

Linea alba

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6
Q

Internal Oblique Action

A

Unilateral: Bends trunk to SAME side, rotates trunk to OPPOSITE side

Bilateral: Flexes trunk, compresses abdomen, stabilizes pelvis

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7
Q

Transversus Abdominis Origin

A 
7th-12th costal cartilages
thoracolumbar fascia
iliac crest
anterior iliac spine
iliopsoas fascia
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8
Q

Transversus Abdominis Insertion

A

Linea alba

Pubic Crest

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9
Q

Transversus Abdominis Action

A

Unilateral: Rotates trunk to SAME side

Bilateral: compresses abdomen

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10
Q

Rectus Abdominis Origin

A

Lateral Head: Crest of pubis to pubic tubercle

Medial Head: Pubic symphysis

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11
Q

Rectus Abdominis Insertion

A

Cartilages of 5th-7th ribs

xiphoid process of sternum

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12
Q

Rectus Abdominis Action

A

Flexes trunk
Compresses abdomen
stabilizes pelvis

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13
Q

Pyramidalis origin

A

Pubis

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14
Q

Pyramidalis insertion

A

Linea alba

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15
Q

Pyramidalis Action

A

Tenses Linea Alba

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16
Q

Psoas Minor Origin

A

T12
L1 Vertebrae
Intervertebral disk (lateral surface)

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17
Q

Psaos Minor Insertion

A

Pectineal Line
Iliopubic ramus
iliac fascia

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18
Q

Psaos Minor Action

A

Weak Flexor of Trunk

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19
Q

Psaos Major Origin

superficial layer

A

T12-L4 vertebral bodies & disks

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20
Q

Psaos Major Insertion

superficial layer

A

Femur

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21
Q

Psaos Major Action

superficial layer

A

Hip Joint: flexion and external rotation L-spine

Unilateral: Contraction bends trunk laterally

Bilaterally: Contraction raises trunk from supine position

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22
Q

Psoas Major Origin

deep layer

A

L1-L5

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23
Q

Psoas Major Insertion

deep layer

A

Femur

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24
Q

Psaos Major Action

deep layer

A

Hip Joint: flexion and external rotation L-spine

Unilateral: Contraction bends trunk laterally

Bilaterally: Contraction raises trunk from supine position

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25
Q

Iliacus Origin

A

Iliac Fossa

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26
Q

Iliacus Insertion

A

Femur

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27
Q

Iliacus Action

A

Hip Joint: flexion and external rotation L-spine

Unilateral: Contraction bends trunk laterally

Bilaterally: Contraction raises trunk from supine position

28
Q

Quadratus Lumborum Origin

A

Iliac Crest

Iliolumbar ligament

29
Q

Quadratus Lumborum insertion

A

12th rib

L1-L4 vertebrae (costal process)

30
Q

Quadratus Lumborum Action

A

Unilateral: Bends trunk to SAME side

Bilateral: bearing down and expiration, stabilizes 12th rib

31
Q

Levator ani. origin

Puborectalis

A

Superior pubic ramus (both sides of pubic synthesis)

32
Q

Levator ani. origin

Puboacoccygenus

A

Pubis

33
Q

Levator ani. origin

Iliococcygeneus

A

Internal obturator fascia of levator ani

tendinous arch

34
Q

Levator ani Insertion

Puborectalis

A

Anococcygeal lig.

35
Q

Levator ani Action

Puborectalis

A

Pelvic diaphragm: Supports pelvic viscera

36
Q

Levator ani insertion

Pubococcygeus

A

Anococcygeal Lig.

coccyx

37
Q

Levator ani Action

Pubococcygeus

A

Pelvic diaphragm: Supports pelvic viscera

38
Q

Levator ani insertion

iliococcygeus

A

Anococcygeal LIg.

Coccyx

39
Q

Levator ani Action

iliococcygeus

A

Pelvic diaphragm: Supports Pelvic Viscera

40
Q

Coccygeus origin

A

Lateral surface of coccyx and S5 segment

40
Q

Coccygeus origin

A

Lateral surface of coccyx and S5 segment

41
Q

Coccygeus Insertion

A

Ischial Spine

42
Q

Coccygeus Action

A

Supports pelvic viscera

flexes coccyx

43
Q

Piriformis origin

A

Sacrum (pelvic surface)

44
Q

Piriformis Insertion

A

Femur

45
Q

Piriformis Action

A

Hip Joint: External Rotation, Stabilization, and abduction of flexed hip

46
Q

Obturator internus origin

A

Obturator membrane and bony boundaries (inner surface)

47
Q

Obturator internus insertion

A

Femur

48
Q

Obturator Internus Action

A

Hip Joint: External Rotation and abduction of flexed hip

49
Q

Ischiocavernosus Origin

A

ischial ramus

50
Q

Ischiocavernosus insertion

A

Crus of clitoris or penis

51
Q

Ischiocavernosus Action

A

Maintains erection by squeezing blood into corpus cavernosum of clitoris or penis

52
Q

Bulbospongiosus Origin

A

Runs anteriorly from perineal body to clitoris or penile raphe

53
Q

Bulbospongiosus insertion

A

Runs anteriorly from perineal body to clitoris or penile raphe

54
Q

Bulbospongiosus Action

A

Females: Compresses greater vestibular gland

Males: assists in erection

55
Q

Superficial Transverse Perineal origin

A

Ischiopubic ramus

56
Q

Superficial Transverse Perineal insertion

A

Perineal Body

57
Q

Superficial Transverse Perineal action

A

Helps hold perineal body in median plane
Holds the pelvic organs in place
supports visceral canals through the muscles of the perineum

58
Q

Deep Transverse Perineal Origin

A

Ishiopubic Ramus

59
Q

Deep Transverse Perineal Origin

A

Ishiopubic Ramus

60
Q

Deep Transverse Perineal Insertion

A

Perineal Body

External and Sphincter

61
Q

Deep Transverse Perineal Action

A

Helps hold perineal body in median plane
Holds the pelvic organs in place
supports visceral canals through the muscles of the perineum

62
Q

External Urethral Sphincter Origin and Insertion

A

Encircles Urethra (division of deep transverse perineal muscles)
Males: ascends anteriorly to neck of bladder
Females: some fibers surround vagina as Urethrovaginal sphincter, others extend laterally as the compressor urethrae

63
Q

External Urethral Sphincter Action

A

Closes Urethra

64
Q

External anal Sphincter origin and insertion

A

Encircles anus (runs posteriorly from perineal body to anococcygeal lig)

65
Q

External Anal Sphincter Action

A

Close Anus

DPT 7015 Clinical Anatomy (9 decks)

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