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Running specific prostheses and orthoses

When people run their body behaves like a simple spring-mass system. For people with lower limb impairments their running ability can be restored or enhanced using assistive technology that supports this behavior in the leg. For amputees this application is well known as their conventional prosthetic feet are replaced by carbon blades. Also for people with weakness of the ankle muscles carbon blades could be supplied to take over the spring like action of the ankle muscles. Running performance with these devices depens much on finding the right stiffness characteristics of these blades and on the interaction of the user with these blades, that can be considered as a spring in series with the apparent spring in the biological residual leg. In a series of projects the properties of running prosthetic and orthotic blades are investigated with specific attention on the question how the interaction between user and blade affects the running performance.

Project Parameters

Launch Date: 2010

Related Research Themes & Projects

Kinetic gait data to quantify socket fit and prosthetic alignment in amputees

Kinetic gait data to quantify socket fit and prosthetic alignment in amputees

To improve clinical practice it is important to quantify prosthetic alignment. Recently studies have shown that kinetic alignment criteria are feasible for alignment purposes. Therefore, it is this study's goal to investigate the possible use of kinetic alignment criteria to optimize prosthetic functioning.

Prosthetic and Orthotic Dynamic Alignment for Rehabilitation

Prosthetic and Orthotic Dynamic Alignment for Rehabilitation

The efficacy of prosthetic feet and ankle foot orthoses depends on a proper tuning (alignment) of these components to the user. Tuning involves selecting the right mechanical properties (e.g stiffness and length) and selecting the proper orientation of the device relative to biological leg of the user. In a series of projects we aim to find clinically applicable outcome measures to quantify the effect of tuning on body progression and propulsion (e.g shank-to-vertical-angle and roll-over shape). In addition, we investigate the effect of changes in these outcomes on gait stability and economy.

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