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Gait Analysis of a Subject with tarsometatarsal Prosthesis

Journal of Biosciences and Medicines 2023年第10期11卷 284-297页

作者： Carlos Diaz Novo Walter Mar Haller Emiliano Alvarez Ruiz Micaela González Castillo Manuel Bárbaro Cuadra Mateo Olivera García Department of Biomedical Engineering Universidad Tecnológica del Uruguay Fray Bentos Rio Negro Uruguay Department of Mechatronics Engineering Universidad Tecnológica del Uruguay Fray Bentos Rio Negro Uruguay

Introduction: Gait analysis of an adult man after trans-metatarsal unilateral amputation is described. Objective: Instrumental gait analysis of a subject 15 years after trans-metatarsal unilateral amputation in two footwear conditions: while walking barefoot and with prosthesis. Materials and Methods: In a movement analysis laboratory, locomotion studies were carried out at freely chosen walking speed by a 65-year-old subject, obtaining kinematic, kinetic and surface electromyographic data in time and space. Gait analysis was performed using instrumental technologies from a digital eco-system applying walking protocols. Results: When the patient wore the prosthesis, several positive improvements were observed in various aspects of gait. These included enhancements in the base of support, gait speed, and joint range of movements. Additionally, there was a slight improvement in the vertical ground reaction forces pattern, indicating a positive effect of the assistive technology. Furthermore, the use of the prosthesis led to a more organized pattern of muscle activity, which further supports its beneficial impact. However, it is worth noting that some challenges still persisted, particularly regarding stabilizing the body during the double support phase. Despite this difficulty, the overall findings suggest that the use of the prosthesis offers valuable improvements to the patient’s gait dynamics. Conclusions: After conducting a thorough analysis of the parameters related to the gait of a subject who underwent a trans-metatarsal unilateral amputation fifteen years ago, it was found that the use of prosthesis had a positive impact. This study demonstrated important improvements in some kinematic and kinetic parameters, including muscle activation patterns, indicating an increase in comfort and confidence while utilizing the prosthetic device.

关键词： tarsometatarsal amputation Prosthesis Gait Motion Analysis Laboratory

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