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Sponsor: University of Salford

Conditions: Transtibial Amputation, Lower Limb Amputation, Prosthesis Users

Interventions: Own Footwear, Oxford Shoe, Walking/Running Shoe, Rocker Shoe

Countries: United Kingdom

The goal of this interventional study is to learn how different types of footwear affect gait, stability, comfort, and walking performance in adults with a unilateral transtibial amputation who use a lower limb prosthesis. The main questions it aims to answer are: * Does footwear type affect gait characteristics such as gait speed, stride length, cadence, prosthetic foot clearance, and stance phase duration? * Does footwear type affect kinetic measures such as ground reaction forces and ankle power variables during walking? * Does footwear type affect in-shoe plantar pressure distribution? * Do participants perceive differences in comfort and stability between footwear conditions? Participants will: * Attend a laboratory-based gait analysis session at the University of Salford. * Complete walking tasks while wearing four footwear conditions: their own preferred footwear, an Oxford shoe, a running/walking shoe, and a shoe with a forefoot rocker profile. * Perform straight-line walking, incline and decline walking, and S-shaped walking tasks. * Wear reflective markers and in-shoe pressure sensors during testing. * Complete visual analogue scale ratings of comfort and stability for each footwear condition.