In the Talar Tilt Test, laxity in ADD indicates involvement of which ligament?

The Talar Tilt Test is a clinical assessment used to evaluate the integrity of the lateral ankle ligaments, particularly in cases of suspected ankle sprains. When the foot is tilted into adduction (ADD), it primarily stresses the lateral stabilizers of the ankle.

Laxity found during the Talar Tilt Test in the adduction position indicates potential damage to the lateral ankle ligaments, particularly the calcaneofibular ligament. This ligament is specifically responsible for stabilizing the ankle against inversion stresses, which occur when the foot is tilted inward.

While other ligaments may be implicated in ankle injuries, the calcaneofibular ligament is the primary ligament evaluated when assessing for laxity in adduction during this test. The deltoid ligament is a medial stabilizer and would not be relevant when testing for lateral ankle laxity. The anterior talofibular ligament, while involved in lateral stability, is typically assessed more during inversion rather than adduction. The plantar ligament does not play a significant role in the assessment of lateral ankle stability. Thus, the involvement of the calcaneofibular ligament is the correct interpretation of laxity noted in the Talar Tilt Test when the foot is positioned in adduction.