Beginner Pubococcygeus Quiz
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This quiz contains 10 questions. Click below to begin.
Q1. Pubococcygeus is a component of which muscle?
- Obturator internus
- Coccygeus
- Piriformis
- Levator ani
Q2. Pubococcygeus contributes to which major anatomical structure?
- Pelvic diaphragm
- Posterior abdominal wall
- Thoracic diaphragm
- Anterior abdominal wall
Q3. From which bone does pubococcygeus primarily arise anteriorly?
- Coccyx
- Pubis
- Sacrum
- Femur
Q4. Which fascial structure contributes to the origin of pubococcygeus?
- Tendinous arch of levator ani
- Sacrotuberous ligament
- Thoracolumbar fascia
- Inguinal ligament
Q5. In which general direction do pubococcygeus fibers pass from their origin?
- Directly laterally
- Anterolaterally
- Directly superiorly
- Posteromedially
Q6. What is a major function of pubococcygeus?
- Abducting the shoulder
- Supporting the pelvic viscera
- Extending the knee
- Plantar flexing the ankle
Q7. Which structure receives some posterior fibers of pubococcygeus?
- Greater trochanter
- Ischial tuberosity
- Anterior superior iliac spine
- Coccyx
Q8. Which sacral levels principally contribute to the nerve to levator ani that supplies pubococcygeus?
- S3 and S4
- L1 and L2
- L3 and L4
- T11 and T12
Q9. Which levator ani component lies generally posterior to pubococcygeus?
- Piriformis
- Iliococcygeus
- Coccygeus
- Obturator internus
Q10. Pubococcygeus helps the pelvic floor resist which force?
- Rotation of the cervical spine
- Compression of the knee
- Downward force from increased intra-abdominal pressure
- Traction from the upper limb