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	~~{{short description\|Cartilaginous structure in the hip joint}}~~		== Acetabular Labrum ==
	~~{{Anatomy}}~~

	~~The '''acetabular labrum''' is a ring of cartilage that surrounds the acetabulum of the~~ [[~~hip joint]]~~. ~~It plays a crucial role in maintaining the stability and function~~ of the hip joint ~~by deepening~~ the ~~socket and providing a seal for the femoral head~~.		[[File:Gray342.png\|thumb\|right\|Diagram of the hip joint, showing the acetabular labrum.]]

	~~==Anatomy==~~		The '''acetabular labrum''' is a ring of cartilage that surrounds the [[acetabulum]] of the [[hip joint]]. It is a fibrocartilaginous structure that plays a crucial role in maintaining the stability and function of the hip joint.
	The acetabular labrum is a ~~fibrocartilaginous structure~~ that ~~attaches to the rim of the acetabulum. It is triangular in cross-section and is continuous with~~ the [[~~transverse acetabular ligament~~]] ~~at the inferior aspect of the acetabulum. The labrum increases the depth of the acetabulum, enhancing the stability~~ of the [[hip joint]] ~~by providing~~ a ~~larger surface area for~~ the ~~articulation with~~ the ~~[[femoral head]]~~.

	==~~Function~~==		== Anatomy ==
	The primary function of the acetabular labrum is to stabilize the hip joint. It acts as a seal, maintaining the negative intra-articular pressure and distributing the load across the joint. This helps to protect the articular cartilage and reduce the risk of [[osteoarthritis]]. The labrum also plays a role in proprioception, providing sensory feedback about the position of the joint.

	~~==Clinical significance==~~		The acetabular labrum is attached to the rim of the acetabulum, which is the cup-shaped socket of the [[pelvis]] that accommodates the head of the [[femur]]. The labrum is triangular in cross-section and is composed of dense fibrous tissue. It extends the depth of the acetabulum, increasing the surface area of the joint and providing a seal that helps to maintain the negative intra-articular pressure within the joint.
	~~Injuries~~ to the ~~acetabular labrum~~, ~~such as tears, can lead to hip pain and dysfunction. Labral tears are often associated with~~ [[~~femoroacetabular impingement~~]] ~~and can result from trauma, repetitive motion, or degenerative changes. Diagnosis is typically made using~~ [[~~magnetic resonance imaging~~]] ~~(MRI)~~, and ~~treatment may involve conservative management or surgical intervention, such as arthroscopic repair~~.

	==~~Surgical considerations~~==		== Function ==
	~~Surgical repair~~ of the acetabular labrum ~~aims~~ to ~~restore~~ the ~~normal anatomy~~ and ~~function~~ of the hip joint. ~~Techniques include~~ labral ~~debridement~~, ~~repair, or reconstruction~~, depending on the ~~extent~~ of the ~~injury. Postoperative rehabilitation is crucial for optimal recovery~~ and ~~return to activity~~.
			The primary functions of the acetabular labrum include:

			* '''Joint Stability''': The labrum deepens the acetabulum, enhancing the stability of the hip joint by providing a larger surface area for the femoral head to articulate with.
			* '''Shock Absorption''': It acts as a cushion, absorbing forces transmitted through the hip joint during activities such as walking, running, and jumping.
			* '''Joint Lubrication''': The labrum helps to maintain the synovial fluid within the joint, which is essential for lubrication and nutrition of the articular cartilage.
			* '''Pressure Distribution''': It aids in the even distribution of pressure across the joint surfaces, reducing wear and tear on the articular cartilage.

			== Clinical Significance ==

			Injuries to the acetabular labrum, such as tears, can lead to hip pain and dysfunction. Labral tears are often associated with [[femoroacetabular impingement]] (FAI), a condition where abnormal contact between the femur and acetabulum leads to damage. Symptoms of a labral tear may include pain in the hip or groin, clicking or locking of the joint, and decreased range of motion.

			Diagnosis of labral tears typically involves a combination of physical examination, imaging studies such as [[MRI]], and sometimes diagnostic arthroscopy. Treatment options vary depending on the severity of the tear and may include physical therapy, anti-inflammatory medications, or surgical intervention such as arthroscopic labral repair.

			== Related Pages ==

	~~==Related pages==~~
	* [[Hip joint]]		* [[Hip joint]]
	* [[Femoral head]]
	* [[Transverse acetabular ligament]]
	* [[Femoroacetabular impingement]]		* [[Femoroacetabular impingement]]
			* [[Cartilage]]
			* [[Pelvis]]

	~~==Gallery==~~		[[Category:Anatomy]]
	~~<gallery>~~		[[Category:Musculoskeletal system]]
	~~File:Gray342.png\|Illustration of the acetabular labrum~~
	~~</gallery>~~

	[[Category:Anatomy ~~of the lower limb~~]]
	[[Category:~~Cartilage~~]]

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2025-02-11T21:19:06Z

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{{short description|Cartilaginous structure in the hip joint}}
{{Anatomy}}

The '''acetabular labrum''' is a ring of cartilage that surrounds the acetabulum of the [[hip joint]]. It plays a crucial role in maintaining the stability and function of the hip joint by deepening the socket and providing a seal for the femoral head.

==Anatomy==
The acetabular labrum is a fibrocartilaginous structure that attaches to the rim of the acetabulum. It is triangular in cross-section and is continuous with the [[transverse acetabular ligament]] at the inferior aspect of the acetabulum. The labrum increases the depth of the acetabulum, enhancing the stability of the [[hip joint]] by providing a larger surface area for the articulation with the [[femoral head]].

==Function==
The primary function of the acetabular labrum is to stabilize the hip joint. It acts as a seal, maintaining the negative intra-articular pressure and distributing the load across the joint. This helps to protect the articular cartilage and reduce the risk of [[osteoarthritis]]. The labrum also plays a role in proprioception, providing sensory feedback about the position of the joint.

==Clinical significance==
Injuries to the acetabular labrum, such as tears, can lead to hip pain and dysfunction. Labral tears are often associated with [[femoroacetabular impingement]] and can result from trauma, repetitive motion, or degenerative changes. Diagnosis is typically made using [[magnetic resonance imaging]] (MRI), and treatment may involve conservative management or surgical intervention, such as arthroscopic repair.

==Surgical considerations==
Surgical repair of the acetabular labrum aims to restore the normal anatomy and function of the hip joint. Techniques include labral debridement, repair, or reconstruction, depending on the extent of the injury. Postoperative rehabilitation is crucial for optimal recovery and return to activity.

==Related pages==
* [[Hip joint]]
* [[Femoral head]]
* [[Transverse acetabular ligament]]
* [[Femoroacetabular impingement]]

==Gallery==
<gallery>
File:Gray342.png|Illustration of the acetabular labrum
</gallery>

[[Category:Anatomy of the lower limb]]
[[Category:Cartilage]]

Acetabular labrum - Revision history

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