1. Scapho-astragaloid dislocations usually take place when the foot is supinated and plantar-flexed.
2. A palpable caput tali and a prominent scaphoid with a depression proximal to it is the most important physical sign of dislocation in the scapho-astragaloid joint.
3. Open operation is usually indicated in order to hold a satisfactory reduction.
4. Resection of the head of the astragalus is often necessary in cases of more than two weeks standing.
(C) 1920 All Rights Reserved.The Journal of Bone and Joint Surgery, Inc.