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.
Etymology[edit | edit source]
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[edit | edit source]
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.
Function[edit | edit source]
The primary function of the Costoclavicular Ligament is to provide stability to the sternoclavicular joint, preventing excessive movement. It also serves as a physical barrier, protecting the underlying structures such as the subclavian artery and subclavian vein.
Clinical Significance[edit | edit source]
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 are associated with compression of the neurovascular structures due to narrowing of the space between the clavicle and the first rib.
See Also[edit | edit source]
- Clavicle
- First Rib
- Sternoclavicular joint
- Subclavian artery
- Subclavian vein
- Costoclavicular Syndrome
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Credits:Most images are courtesy of Wikimedia commons, and templates Wikipedia, licensed under CC BY SA or similar.Contributors: Prab R. Tumpati, MD