RESUMO
The study was conducted to determine the lateral tibio-articular angle of ankle joint in 100 korean adults(160 cases) ranging from second to eight decades of age. The authors have defined as the lateral tibio-articular angle of ankle joint, that is the sharp angle between the lateral tibial axis which is the lateral longitudinal line through each midpoints of the upper and lower one third of the tibia, and the line to connect the anterior and posterior tips of the tibial articular surface of ankle joint. 1. It was 79.3°±3.4°in all cases. 2. It was 79.2°±3.6°in male and 79.6°±2.7°in female. It was reduced in male approximately 0.4°compared with female. 3. It was 79.1°±3.1°in the left side and 79.5°±3.6°in the right side. It was reduced approximately 0.4°in the left side compared with the right side. 4. It was reduced approximately 0.9°in the left side compared with both sides of the same person.