-Affect any age group. -Most of them inversion injury (incomplete tear of lateral ligaments. -Complete rupture mean: 1-Fail to heal. 2-Instability of ankle. -Signs and symptoms: 1-Pain. 2-Instability to weight bear in some cases. 3-Swelling. 4-Ecchymosis & bruising. 5-Palpation of ligaments especially ATFL is tender. -Ottowa ankle rule: Institutions to determine on which patients ankle radiographs should be ordered. 1-No weight bearing X4 staps at time of injury. 2-Bony tendernes around medial and lateral malleolus. 3-Positive squeeze test. 4-stress test. -Squeeze test: fibula and tibia pushed together by exminer at about the shin creating pain at ankle. -Stress test: grasp the heel and forcibly put gently invert the foot, feeling for opening up thenlateral side of the ankle between tibia and talus. Treatment: -PRICE -Pain control. -Rest. -Ice. -Compression. -Elevation. --Fractures may require surgical fixation. Orthopaedic examination made easy -Javad parvizi by:Zaid Hjab زيد حجاب