Background: Peritalar subluxation (PTS) contributes to progressive collapsing foot deformity (PCFD), yet its pathophysiology remains unclear. This study analyzed subtalar joint (SJ) dynamics throughout deformity progression.Methods: A retrospective review of 153 WBCT scans classified PCFD into four stages: (1) no PTS, (2) PTS without impingement, (3) PTS with sinus tarsi impingement (STI), and (4) PTS… Continue reading Subtalar joint dynamics in progressive collapsing foot deformity: A cross-sectional progression model
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