Lower limb amputees exhibit increased foot placement variability during gait [1–3] in part due to the lack of ankle musculature that reduces their ability to shift the prosthetic limb center of pressure (COP) . In spite of compensating with a wider step width compared to non-amputees [2,3], amputees are still 20% more likely to fall compared to age-matched norms . Since mediolateral (ML) balance is critical for successful ambulation and contingent on accurate ML foot placement [6,7], we chose to study how an error in ML foot placement affects amputee balance to gain a better understanding of the biomechanic strategies amputees employ to compensate for their lack of ankle musculature.
- Bioengineering Division
Lower Limb Amputee Recovery Response to an Imposed Mediolateral Error in Foot Placement
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Segal, AD, & Klute, GK. "Lower Limb Amputee Recovery Response to an Imposed Mediolateral Error in Foot Placement." Proceedings of the ASME 2013 Summer Bioengineering Conference. Volume 1B: Extremity; Fluid Mechanics; Gait; Growth, Remodeling, and Repair; Heart Valves; Injury Biomechanics; Mechanotransduction and Sub-Cellular Biophysics; MultiScale Biotransport; Muscle, Tendon and Ligament; Musculoskeletal Devices; Multiscale Mechanics; Thermal Medicine; Ocular Biomechanics; Pediatric Hemodynamics; Pericellular Phenomena; Tissue Mechanics; Biotransport Design and Devices; Spine; Stent Device Hemodynamics; Vascular Solid Mechanics; Student Paper and Design Competitions. Sunriver, Oregon, USA. June 26–29, 2013. V01BT31A006. ASME. https://doi.org/10.1115/SBC2013-14755
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