Intraarticular sternocostal ligament
| General Information | |
|---|---|
| Latin | ligamentum sternocostale intraarticulare |
| Greek | |
| TA98 | |
| TA2 | |
| FMA | |
| Details | |
| System | Skeletal system |
| Artery | |
| Vein | |
| Nerve | |
| Lymphatic drainage | |
| Precursor | |
| Function | Stabilizes the sternocostal joint |
| Identifiers | |
| Clinical significance | |
| Notes | |
The intraarticular sternocostal ligament is a ligament located within the sternocostal joint, which is the articulation between the sternum and the costal cartilage of the ribs. This ligament plays a crucial role in stabilizing the joint, ensuring that the rib cage maintains its structural integrity during respiration.
Structure[edit | edit source]
The intraarticular sternocostal ligament is found specifically in the second sternocostal joint. It is a small band of fibrous tissue that connects the costal cartilage to the sternum, dividing the joint cavity into two separate compartments. This division helps in the distribution of mechanical stress across the joint during movements such as inhalation and exhalation.
Function[edit | edit source]
The primary function of the intraarticular sternocostal ligament is to provide stability to the sternocostal joint. By anchoring the costal cartilage to the sternum, it prevents excessive movement that could lead to joint dislocation or damage. This stability is essential for the proper functioning of the thoracic cage, which protects vital organs such as the heart and lungs.
Clinical significance[edit | edit source]
Injuries or disorders affecting the intraarticular sternocostal ligament can lead to pain and dysfunction in the thoracic region. Conditions such as costochondritis or sternocostal joint dislocation may involve this ligament, resulting in symptoms that require medical attention. Treatment may involve physical therapy, pain management, or in severe cases, surgical intervention.
See also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD
