Hip Anatomy
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Description[edit | edit source]
The hip articulation is true diarthroidal balland-socket style joint, formed from the head of the femur as it articulates with the acetabulum of the pelvis. This joint serves as the main connection between the lower extremity and the trunk, and typically works in a closed kinematic chain.
Motions Available[edit | edit source]
- Flexion: forward and upward movement of the femur at the hip occurs in the sagittal plane about an medial-lateral axis.
- Extension: upward movement toward the rear of the body of the femur at the hip occuring in the sagittal plane.
- Abduction: movement of the femur on the hip in a direction away from the midline of the body in the frontal plane.
- Adduction: movement of the femur on the hip in a direction toward the midline of the body in the frontal plane.
- Internal Rotation: rotation of the femur toward the midline of the body in the transverse plane.
- External Rotation: rotation of the femur away from the midline of the body in the transverse plane.
Ligaments & Joint Capsule
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Notable Ligaments:
- Ligamentum Teres:
- Ischiofemoral Ligament:
- Iliofemoral Ligament:
- Pubofemoral Ligament:
Joint Capsule:
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