The lateral ligament complex of the ankle is a frequently injured structure in sports and recreational activities, which often results in chronic ankle instability (CAI). Balance exercise training has become a common component of clinical rehabilitation for CAI to address postural deficits. To determine the effect of balance training on postural stability, this critically appraised topic presents a summary and analysis of 4 relevant studies that address the effectiveness of balance training in subjects with CAI. Information about the methods and sources used in the article is provided. The findings imply that there is moderate evidence that 4-6 wk of balance training can enhance static and dynamic postural stability in subjects with CAI.