Eleven medial subtalar dislocations, two of them open, were treated
during the decade from 1969 to 1978 in four metropolitan Detroit hospitals.
There was one open lateral dislocation. Eight patients were available for
follow-up study. None of the dislocations was associated with a major
fracture of the talus. The average time between injury and our follow-up
was twenty-eight months. A simple qualitative method of measuring range of
motion of the subtalar joint was devised. All of the patients had some loss
of subtalar motion, but the lateral dislocation was the only one causing