Pelvic Floor Muscles

Question 1

Female Urogenital Triangle

Superficial 1st Layer

Answer 1

• Superficial transverse perineal (helps stabilize perineal body)
• Bulbocavernosus (helps with vaginal sphincter and assists in erection of clitoris in women and penis in men - bulbospongiosus)
• Ischiocavernosus (in women maintains clitoral erection and in men maintains penal erection

Question 2

Female Urogenital Triangle

Deep Layer (2nd Layer)

Answer 2

• Deep Transverse Perineal (compresses ventral wall and assists with continence
• Compressor Urethrae (compresses urethra and assists with continence)
• Sphincter Urethrae (closes urethra lumen and helps support bladder)

Question 3

Pelvic Diaphragm

Deepest Layer (3rd Layer)

Answer 3

• levator ani
  
  • Pubococcygeus
  • Iliococcygeus (elevates pelvic floor)
  • Puborectalis (Sphincter vagina & urethra)
  • Pubovaginalis
• -obturator internus
• -coccygeous

Question 4

Superficial transverse perineal

Answer 4

helps stabilize perineal body

Question 5

Bulbocavernosus

Answer 5

helps with vaginal sphincter and assists in erection of clitoris in women and penis in men - bulbospongiosus

Question 6

Ischiocavernosus

Answer 6

in women maintains clitoral erection and in men maintains penal erection

Question 7

Deep Transverse Perineal

Answer 7

compresses ventral wall and assists with continence

Question 8

Compressor Urethrae

Answer 8

compresses urethra and assists with continence

Question 9

Sphincter Urethrae

Answer 9

closes urethra lumen and helps support bladder

Question 10

Puborectalis

Answer 10

Sphincter vagina & urethra)

Question 11

Iliococcygeus

Answer 11

elevates pelvic floor