Costoclavicular ligament: Difference between revisions

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'''Costoclavicular Ligament'''
== Costoclavicular Ligament ==


The '''Costoclavicular Ligament''' is a significant anatomical structure in the human body, particularly in the context of the shoulder girdle. It is a strong ligament that connects the first rib to the clavicle, providing stability and support to the shoulder joint.
[[File:Gray325.png|thumb|right|Illustration of the costoclavicular ligament]]


==Etymology==
The '''costoclavicular ligament''' is a strong band of connective tissue that plays a crucial role in stabilizing the [[clavicle]] by anchoring it to the [[first rib]]. It is an important structure in the [[shoulder girdle]] and contributes to the overall stability and function of the [[sternoclavicular joint]].
The term "Costoclavicular" is derived from the Latin words 'costa' meaning rib and 'clavicula' meaning little key, which is a reference to the shape of the clavicle bone. The term "ligament" comes from the Latin 'ligamentum' meaning a band or tie, referring to the ligament's role in connecting bones.


==Anatomy==
=== Anatomy ===
The [[Costoclavicular Ligament]] is located in the upper chest region, specifically between the first rib and the clavicle. It is a short and strong ligament that is roughly triangular in shape. The ligament is attached to the costal tuberosity on the inferior surface of the clavicle and the first rib's superior and lateral surfaces.
The costoclavicular ligament is located at the junction where the clavicle meets the first rib. It is a short, flat, and rhomboid-shaped ligament that extends from the superior aspect of the first rib to the inferior surface of the clavicle. The ligament is composed of dense fibrous connective tissue, which provides it with the strength necessary to withstand the forces exerted on the shoulder girdle.


==Function==
=== Function ===
The primary function of the [[Costoclavicular Ligament]] is to provide stability to the [[Sternoclavicular joint|sternoclavicular joint]], preventing excessive movement. It also serves as a physical barrier, protecting the underlying structures such as the [[Subclavian artery|subclavian artery]] and [[Subclavian vein|subclavian vein]].
The primary function of the costoclavicular ligament is to limit the elevation of the clavicle, thereby stabilizing the [[sternoclavicular joint]]. This ligament acts as a check against excessive movement of the clavicle, particularly during activities that involve lifting the arms or carrying heavy loads. By anchoring the clavicle to the first rib, the costoclavicular ligament helps maintain the alignment and integrity of the shoulder girdle.


==Clinical Significance==
=== Clinical Significance ===
Injuries to the [[Costoclavicular Ligament]] can occur due to trauma or overuse, often resulting in pain and limited range of motion in the shoulder. Conditions such as [[Costoclavicular Syndrome|Costoclavicular Syndrome]] are associated with compression of the neurovascular structures due to narrowing of the space between the clavicle and the first rib.
Injuries to the costoclavicular ligament can occur due to trauma or overuse. Such injuries may lead to instability of the sternoclavicular joint, resulting in pain and limited range of motion in the shoulder. Understanding the anatomy and function of the costoclavicular ligament is essential for diagnosing and treating conditions related to the shoulder girdle.


==See Also==
== Related Pages ==
* [[Clavicle]]
* [[Clavicle]]
* [[First Rib]]
* [[First rib]]
* [[Sternoclavicular joint]]
* [[Sternoclavicular joint]]
* [[Subclavian artery]]
* [[Shoulder girdle]]
* [[Subclavian vein]]
* [[Costoclavicular Syndrome]]


[[Category:Anatomy]]
[[Category:Ligaments of the upper limb]]
[[Category:Orthopedics]]
[[Category:Medical Terminology]]
 
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Latest revision as of 11:30, 15 February 2025

Costoclavicular Ligament[edit]

Illustration of the costoclavicular ligament

The costoclavicular ligament is a strong band of connective tissue that plays a crucial role in stabilizing the clavicle by anchoring it to the first rib. It is an important structure in the shoulder girdle and contributes to the overall stability and function of the sternoclavicular joint.

Anatomy[edit]

The costoclavicular ligament is located at the junction where the clavicle meets the first rib. It is a short, flat, and rhomboid-shaped ligament that extends from the superior aspect of the first rib to the inferior surface of the clavicle. The ligament is composed of dense fibrous connective tissue, which provides it with the strength necessary to withstand the forces exerted on the shoulder girdle.

Function[edit]

The primary function of the costoclavicular ligament is to limit the elevation of the clavicle, thereby stabilizing the sternoclavicular joint. This ligament acts as a check against excessive movement of the clavicle, particularly during activities that involve lifting the arms or carrying heavy loads. By anchoring the clavicle to the first rib, the costoclavicular ligament helps maintain the alignment and integrity of the shoulder girdle.

Clinical Significance[edit]

Injuries to the costoclavicular ligament can occur due to trauma or overuse. Such injuries may lead to instability of the sternoclavicular joint, resulting in pain and limited range of motion in the shoulder. Understanding the anatomy and function of the costoclavicular ligament is essential for diagnosing and treating conditions related to the shoulder girdle.

Related Pages[edit]