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Aim

Influence of physical capacities of males with transtibial amputation on gait adjustments on sloped surfaces. Karine Langlois, MSc; Coralie Villa, MSc; Xavier Bonnet, PhD; François Lavaste, PhD; Pascale Fodé, MD, MSc; Noel Martinet, MD; Hélène Pillet, PhD. Aim

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Aim

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  1. Influence of physical capacities of males with transtibial amputation on gait adjustments on sloped surfaces Karine Langlois, MSc; Coralie Villa, MSc; Xavier Bonnet, PhD; François Lavaste, PhD; Pascale Fodé, MD, MSc; Noel Martinet, MD; Hélène Pillet, PhD

  2. Aim • Investigate how kinematic and kinetic adjustments between level and slope locomotion of persons with transtibial amputation relate to muscular and functional capacities. • Relevance • Gait is challenging for people with transtibial amputation because of loss of ankle muscles. • Slope walking, a daily situation, must be addressed during rehabilitation.

  3. Method • Conducted quantified gait analysis on flat and slope surfaces to obtain biomechanical parameters. • 7 patients with transtibial amputation. • Control group of 8. • Measured maximal isometric muscular strength (knee and hip extensors) and functional scores.

  4. Results • Most persons with transtibial amputation adapted to ramp ascent by: • Increasing residual-limb ankle, knee, and hip flexion angles and/or • Recruiting hip extensors to guarantee enough hip extension power during early stance. • 6-minute walk test score was good predictor of adaptation capacities to slope ascent. • In ramp descent: • Increased knee flexion moment correlated with knee extensor strength and residual-limb length. • No correlation with functional parameters.

  5. Conclusion • Walking strategy adopted by persons with transtibial amputation to negotiate ramp locomotion mainly depends on their muscular capacities. • Therefore, muscular strengthening should be prioritized during rehabilitation.

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