Pelvis Flashcards

1
Q

What does the pelvic girdle consist of?

A

Consists of the left & right hip bone

  • Ilium
  • Ischium
  • Pubis
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2
Q

What does the pelvic diaphragm/ pelvic floor consist of?

A
  • Levator ani
  • Coccygeus
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3
Q

What do the superficial transverse perineal muscles support?

A

Central tendon of the perineum

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4
Q

What do the bulbospongiosus & ischiocavernosus maintain?

A

Erection in the penis or clitoris

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5
Q

What does the deep transverse perineal support?

A

1) central tendon of the perineum
2) external anal sphincter

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6
Q

What forms the pelvic wall?

A
  • obturator internus
  • piriformis
  • sacrotuberous ligament
  • sacrospinous ligament
  • tendinous arch
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7
Q

What does the greater sciatic notch hold?

A

The piriformis muscle

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8
Q

What is the posterior-most muscle of the pelvic floor?

A

Coccygeus

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9
Q

Mention the 4 parts of the levator ani muscle

A
  • Levator prostatae/ vaginalis
  • puborectalis
  • pubococcygeus
  • iliococcygeus
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10
Q

Obturator internus and piriformis are both?

A

Lateral rotators of the hip joint

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11
Q

The head of the femur joint meets with the pelvis at the ………., forming the hip joint

A

Acetabulum

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12
Q

Boundaries of the perineum

A
  • symphysis pubis
  • coccyx
  • ischial tuberosity
  • sacrotuberous ligament
  • ischiopubic ramus
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13
Q

Urogenital triangle muscles

A
  • ischiocavernosus M
  • bulbospongiosus M
  • superior transverse perineal M
  • urogenital diaphragm
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14
Q

What forms the anal triangle?

A
  • Levator ani
  • external sphincter ani
  • anococcygeal ligament
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15
Q

What is the perineal body composed of?

A

Fibromuacular tissue

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16
Q

What happens when there is tear or disruption of the perineal body?

A

Can lead to prolapse of the bladder or uterus through the vagina or urethra