Podcast
Questions and Answers
Which of the following is a muscle of the pelvic wall?
Which of the following is a muscle of the pelvic wall?
Which muscle listed below is part of the pelvic floor?
Which muscle listed below is part of the pelvic floor?
Which of the following muscles is NOT part of the pelvic wall or floor?
Which of the following muscles is NOT part of the pelvic wall or floor?
What is the name of the muscle that helps form the posterior part of the pelvic wall?
What is the name of the muscle that helps form the posterior part of the pelvic wall?
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Which of these muscles is correctly paired with its location in the pelvic region?
Which of these muscles is correctly paired with its location in the pelvic region?
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Which muscle is part of the Levator ani?
Which muscle is part of the Levator ani?
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The pelvic diaphragm includes which of the following muscles?
The pelvic diaphragm includes which of the following muscles?
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Which muscle is NOT part of the pelvic diaphragm?
Which muscle is NOT part of the pelvic diaphragm?
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Which of the following muscles is synonymous with Coccygeus?
Which of the following muscles is synonymous with Coccygeus?
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Which muscle of the Levator ani lifts the anal canal during defecation?
Which muscle of the Levator ani lifts the anal canal during defecation?
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Which structure is a part of the pelvic brim?
Which structure is a part of the pelvic brim?
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Which of the following structures is located at the pubis?
Which of the following structures is located at the pubis?
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Which structure connects to the sacroiliac joint?
Which structure connects to the sacroiliac joint?
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Which structure is at the anterior aspect of the pelvic brim?
Which structure is at the anterior aspect of the pelvic brim?
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Which of the following is found in the ilium?
Which of the following is found in the ilium?
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Study Notes
Pelvic Diaphragm
- The floor of the pelvis is composed of the pelvic diaphragm.
- The pelvic diaphragm consists of two main muscle groups:
- Levator ani, which includes:
- Iliococcygeus
- Pubococcygeus
- Puborectalis
- Coccygeus (also known as Ischiococcygeus)
- Levator ani, which includes:
Muscles of the Pelvic Wall and Floor
- The pelvic wall and floor contain additional muscles, including:
- Piriformis
- Coccygeus
- Levator ani
- Obturator internus
Structures of the Pelvic Brim
- The pelvic brim is characterized by several notable structures, including:
- Sacral promontory
- Alar of sacrum
- Sacroiliac joint
- Arcuate line
- Iliopubic eminence
- Pectineal line
- Pubic tubercle
- Pubic symphysis
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Description
Learn about the muscles that make up the pelvic diaphragm, including the levator ani and coccygeus. Test your knowledge of the floor of the pelvis!