Table 1 Inclusion and exclusion criteria

• unilateral stabilization of the syndesmosis with SBS or SYS

• anatomical reduction of the fractures

• uninjured ankle without pathologies

• postoperative CT included at least 10 cm proximal to the distal tibial plateau

• age < 18 years

• Bilateral ankle and/or syndesmosis lesion

• Pathologies of the uninjured ankle

• Inadequate fracture reduction with bone steps > 2 mm.

• Missing bilateral CT control

• CT less than 10 cm proximal to the distal tibial plateau