Picture 1: Peroneal groove deepening.
Picture 2: View from posteromedial portal after opening of the peroneal tendons sheat: Peroneal (1), Posterior talofibular ligament (2), Subtalar joint (3), Ankle joint (4).
Picture 3: Endoscopic view of the fibular groove. Two probes lift the tendons out of the groove. The probes are placed over the lateral edge of the fibula thus providing an excellent view on the groove.
Picture 4: Endoscopic view after groove deepening with the shaver.
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