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Twenty-one patients (23 feet) treated nonsurgically for severely comminuted intraarticular fractures of the calcaneus were evaluated prospectively with a clinical scoring scale and computerized gait analysis. All patients had Sanders type III and type IV fractures. The treatment protocol consisted of no closed reduction, immobilization in removable splint, physiotherapy after edema subsided, and weightbearing after 8 weeks. All patients had a minimum follow-up of 2 years (mean, 38 months). Clinical results were good in 2 patients, fair in 3 patients, and poor in 16 patients. Gait analysis showed that patients were at high risk of gastrocnemius weakness and ankle and knee instability. These results may be useful for comparison with the results of other methods, such as open reduction and internal fixation, nonsurgical closed reduction, and arthrodesis.