The purpose of this study is to compare functional outcomes and the number of revision surgeries for patients who have had a transtibial amputation. Transtibial amputation is a surgical procedure where the lower part of the leg is removed below the knee. This study investigates two surgical techniques: tibia-fibula synostosis and the standard posterior flap procedure.

Participants will be assigned to one of two study arms. One group will receive the tibia-fibula synostosis technique, where the tibia and fibula bones are connected. The other group will undergo the standard posterior flap procedure, a common method used in amputations. The study will assess how well each technique works in terms of function and the need for further surgeries.

• Who can participate: Participants must be adults aged 18 years or older who require a transtibial amputation. Additional eligibility factors may include overall health status and absence of contraindications for surgery.
• Study details: Participants will be randomly assigned to one of two surgical techniques for transtibial amputation. One technique involves connecting the tibia and fibula bones, while the other uses a standard method. The study will monitor the outcomes to see which technique is more effective.