Superficial Perineal Muscles

Question 1

Superficial perineal muscles

Answer 1

1. Two superficial transversus perinei muscles
2. Two bulbospongiosus muscles
3. Two ischiocavernosus muscles

Question 2

Two superficial transversus perinei muscles

Answer 2

Arise from ischial ramus inner surface and inserted in perineal body

Question 3

Two bulbospongiosus muscles

Answer 3

1. Arise from perineal body
2. Surround bulb of penis or vestibule muscles of both sides meet each other in median raphe
3. Contract to evacuate urine or semen last drops in male and supports vagina in female

Question 4

2 ischiocavernous muscles

Answer 4

1. Arise from ischial ramus inserted in crus of penis (in male) or clitoris (in female)
2. Compress penis crus to maintain erection

Question 5

Nerve supply

Answer 5

All superficial perineal muscles are supplied by perineal branch of pudendal nerve