ArticleActa orthopaedica et traumatologica turcica2025
Reduced ankle strength and dorsiflexion joint motion after surgical treatment of Myerson type b Lisfranc injuries: A controlled study.
Article in Acta orthopaedica et traumatologica turcica, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveThis study aimed to evaluate whether sagittal plane range of motion (ROM) and isokinetic muscle strength of the ankle are affected following surgical treatment of patients with Myerson type B Lisfranc injuries.
methodsThis retrospective controlled study included 14 patients who underwent open reduction and internal fixation for Myersontype B Lisfranc injuries and 14 age- and sex-matched healthy controls. Ankle dorsiflexion and plantarflexion ROM were measured, and isokinetic strength was assessed bilaterally at 30°/s and 120°/s. Clinical outcomes were evaluated using the American Orthopaedic Foot and Ankle Society (AOFAS) Midfoot Score and the Foot and Ankle Outcome Score (FAOS). Radiographic assessments were performed at final follow-up.
resultsAt a mean follow-up of 77 months, the mean FAOS was 83.5 ± 15.6. According to the AOFAS classification, 21% of patients were rated as excellent, 43% good, 14% fair, and 21% unsatisfactory. Dorsiflexion ROM was significantly lower on the affected side compared to both the contralateral limb (5.57° ± 3.94 vs. 18.36° ± 3.08, P = .003) and the control group (22.57° ± 4.22, P < .001). While plantarflexion ROM did not significantly differ, isokinetic strength was significantly reduced in most parameters, particularly in dorsiflexion.
conclusionPatients with surgically treated Myerson type B Lisfranc injuries exhibit persistent deficits in ankle dorsiflexion ROM and in isokinetic strength and endurance of both dorsiflexion and plantarflexion, despite favorable clinical scores and radiographic outcomes. These findings highlight the importance of incorporating objective functional assessments in the long-term follow-up of these patients. Cite this article as: Demirel M, Karaçam Mİ, Ayan MO, Şahinkaya T, Utlu DK, Polat G. Reduced ankle strength and dorsiflexion joint motion after surgical treatment of Myerson type B Lisfranc injuries: A controlled study. Acta Orthop Traumatol Turc., 2025;59(6):405-414.
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