Trapezoid ligament

Trapezoid Ligament

The Trapezoid Ligament is a key anatomical structure in the human body, specifically within the shoulder joint. It is one of the two ligaments that make up the coracoclavicular ligament, the other being the conoid ligament.

Etymology

The term "trapezoid" is derived from the Greek words "trapecoeides", meaning "table-like", and "eidos", meaning "form" or "shape". This is likely due to the ligament's table-like shape.

Anatomy

The Trapezoid Ligament is located in the shoulder joint, extending from the coracoid process of the scapula to the clavicle. It is broader and shorter than the conoid ligament, and its fibers are oriented obliquely downwards and laterally.

Function

The primary function of the Trapezoid Ligament is to stabilize the shoulder joint. It helps to prevent the clavicle from moving upwards, which is crucial for maintaining the integrity of the shoulder joint during movement.

Clinical Significance

Injuries to the Trapezoid Ligament can occur due to trauma or overuse, and can result in pain, instability, and decreased range of motion in the shoulder joint. Treatment typically involves rest, physical therapy, and in severe cases, surgery.

Related Terms

• Coracoclavicular ligament
• Conoid ligament
• Shoulder joint
• Coracoid process
• Scapula
• Clavicle

Trapezoid ligament Resources
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