Pubofemoral Ligament Flashcards

Review the pubofemoral ligament, its pubic attachments, capsular fibers, anatomical relationships, and role in limiting hip movements.

Card 1 of 22Question

Which joint is reinforced by the pubofemoral ligament?

The hip joint.

In This Section

1. Which joint is reinforced by the pubofemoral ligament?

The hip joint.

2. What type of ligament is the pubofemoral ligament?

An intrinsic capsular ligament formed by a thickening of the fibrous hip joint capsule.

3. On which aspect of the hip joint is the pubofemoral ligament located?

The anterior and inferior aspects of the hip joint capsule.

4. Which pelvic bone provides the proximal attachment of the pubofemoral ligament?

The pubis.

5. Where does the pubofemoral ligament originate?

The obturator crest, superior pubic ramus, and adjacent pubic portion of the acetabular rim.

6. Where do the distal fibers of the pubofemoral ligament attach?

They blend with the inferior hip capsule and the medial band of the iliofemoral ligament near the femoral neck.

7. In which direction do the pubofemoral ligament fibers extend from their pubic origin?

Inferolaterally toward the inferior aspect of the femoral neck.

8. What is the general shape of the pubofemoral ligament?

A triangular, fan-shaped band of fibrous tissue.

9. What is the primary mechanical function of the pubofemoral ligament?

To limit excessive abduction of the hip joint.

10. How does the pubofemoral ligament affect hip extension?

It becomes taut during extension and helps prevent excessive hip extension.

11. What happens to the pubofemoral ligament during hip flexion?

Its fibers become relatively relaxed, allowing greater hip mobility.

12. How does the pubofemoral ligament contribute to hip stability?

It provides passive restraint against excessive movement and reinforces the anteroinferior joint capsule.

13. Which two other major capsular ligaments reinforce the hip joint?

The iliofemoral and ischiofemoral ligaments.

14. Which band of the iliofemoral ligament blends with the pubofemoral ligament?

The inferior, or medial, band of the iliofemoral ligament.

15. How does the pubofemoral ligament differ functionally from the iliofemoral ligament?

The pubofemoral ligament particularly limits abduction, while the iliofemoral ligament strongly resists extension.

16. What is the relationship between the pubofemoral ligament and the hip joint capsule?

Its fibers are continuous with and strengthen the fibrous capsule.

17. Which muscle tendon passes anterior to the hip capsule near the pubofemoral ligament?

The iliopsoas tendon.

18. Which bursa lies between the iliopsoas tendon and the anterior hip joint capsule?

The iliopsoas bursa.

19. How does the pubofemoral ligament contribute to upright standing posture?

It helps resist hip hyperextension through passive capsular tension.

20. What is the relationship of the pubofemoral ligament to the synovial membrane?

It lies within the fibrous capsule, external to the synovial membrane.

21. What may result from injury or excessive laxity of the pubofemoral ligament?

Reduced anteroinferior capsular stability and increased passive hip abduction.

22. Which imaging modality can help evaluate the pubofemoral ligament and surrounding hip capsule?

Magnetic resonance imaging (MRI).