Lecture title - Muscles of the perineum

5 important questions on Lecture title - Muscles of the perineum

What does the pelvic diaphragm consist of?

1. Coccygeus muscle
2. Levator ani muscle

Why is the pelvic diaphragm important?

The pelvic diaphragm forms the caudal wall of the pelvic cavity and supports pelvic organs while controlling defecation.

What does the coccygeus muscle do?

It depresses the tail, seen best laterally
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What does the levator ani do?

It squeezes the anus and is involved in defecation, best seen medially. It is present right next to pelvic symphysis

What is the ischiorectal fossa?

It is an adipose tissue filled space in the perineum, lateral to the anus

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