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Questions and Answers
What is the shape of the articular surface of the acetabulum?
What is the shape of the articular surface of the acetabulum?
Horseshoe shaped
What does the articular cartilage cover?
What does the articular cartilage cover?
The head of the femur and the horseshoe-shaped part of the acetabulum
What other name is given to the ligament of the head of the femur?
What other name is given to the ligament of the head of the femur?
Ligamentum teres, round ligament, or foveal ligament
What does the acetabular labrum attach to?
What does the acetabular labrum attach to?
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What is the function of the acetabular labrum?
What is the function of the acetabular labrum?
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What is located in the center of the acetabulum?
What is located in the center of the acetabulum?
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What is located between the two ends of the horseshoe-shaped acetabulum?
What is located between the two ends of the horseshoe-shaped acetabulum?
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What connects (closes) the acetabular notch?
What connects (closes) the acetabular notch?
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The capsular ligaments of the hip are coiled or twisted as they pass from the pelvis to the femur.
The capsular ligaments of the hip are coiled or twisted as they pass from the pelvis to the femur.
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Extension and hyperextension of the hip joint make it less stable.
Extension and hyperextension of the hip joint make it less stable.
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Full hip flexion with abduction is a stable position.
Full hip flexion with abduction is a stable position.
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Where does the iliofemoral ligament attach?
Where does the iliofemoral ligament attach?
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What movements does the iliofemoral ligament restrict?
What movements does the iliofemoral ligament restrict?
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Study Notes
Hip Joint Structure
- Acetabulum: Horseshoe-shaped articular surface.
- Articular Cartilage: Covers the femur head and acetabulum; part of a synovial joint.
Hip Joint Ligaments
- Ligament of the Head of the Femur (Ligamentum Teres): Connects femur head to acetabulum.
- Acetabular Labrum: Fibrocartilaginous lip; deepens the acetabulum.
- Acetabular Fossa: Located in the center of the acetabulum; contains a fat pad covered with synovium.
- Acetabular Notch: A notch between the two ends of the horseshoe-shaped acetabulum; passage for blood vessels.
- Transverse Ligament of the Acetabulum: Connects the acetabular notch
Hip Joint Ligaments (cont.)
- Iliofemoral Ligament: Also known as the Y ligament; attaches to AIIS, acetabular rim, intertrochanteric line of the femur; checks extension, abduction and lateral rotation.
- Pubofemoral Ligament: Attaches to the superior pubic ramus; checks abduction
- Ischiofemoral Ligament: Attaches to the ischial part of the acetabular rim; checks hyperextension
Hip Joint Stability
- Hip Joint Ligaments: Coiled/twisted as they pass from pelvis to femur.
- Extension/Hyperextension: Tightens ligaments; part of a stable upright posture.
- Flexion with Abduction: Considered an unstable position.
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Description
This quiz covers the intricate anatomy of the hip joint, focusing on its structure, ligaments, and their functions. You'll explore components such as the acetabulum, articular cartilage, and various ligaments that contribute to hip stability and mobility.
