External calcaneo-astragaloid ligamen

External calcaneo-astragaloid ligament
Details
Identifiers
Latin	Ligamentum calcaneoastragaloexternum
TA98
TH	{{#property:P1694}}
TE	{{#property:P1693}}
FMA	{{#property:P1402}}
Anatomical terminology

The external calcaneo-astragaloid ligament is a ligament located in the foot that plays a crucial role in maintaining stability and proper alignment of the calcaneus (heel bone) and the astragalus (ankle bone). It is also known as the ligamentum calcaneoastragaloexternum in Latin.

Anatomy

The external calcaneo-astragaloid ligament is a strong fibrous band that originates from the lateral side of the calcaneus and inserts onto the lateral side of the astragalus. It is situated on the outer aspect of the foot, providing lateral support to the ankle joint.

Function

The primary function of the external calcaneo-astragaloid ligament is to stabilize the calcaneus and astragalus, preventing excessive inversion (inward rolling) of the foot. It works in conjunction with other ligaments and tendons to maintain the integrity of the ankle joint and ensure proper alignment during weight-bearing activities.

Clinical Significance

Injuries to the external calcaneo-astragaloid ligament can occur due to trauma, repetitive strain, or excessive stress on the ligament. These injuries are commonly seen in sports that involve sudden changes in direction or jumping, such as basketball or soccer. Symptoms of a ligamentous injury may include pain, swelling, instability, and difficulty walking.

Treatment for external calcaneo-astragaloid ligament injuries typically involves rest, ice, compression, and elevation (RICE), along with physical therapy to strengthen the surrounding muscles and improve stability. In severe cases, surgical intervention may be necessary to repair or reconstruct the damaged ligament.

See Also

• Ankle ligaments
• Calcaneus
• Astragalus

References

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