Characterizing Ankle Function During Sloped Locomotion for Prosthesis Development



Status:Recruiting
Healthy:No
Age Range:18 - 45
Updated:10/20/2018
Start Date:June 2012
End Date:June 2019
Contact:Alena Grabowski, PhD
Email:alena.grabowski@colorado.edu
Phone:303-492-5208

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Trial Summary
Trial Overview
Inclusion Criteria
The proposed study aims to characterize biological ankle joint function during walking and
running on slopes in order to further develop advanced powered ankle-foot prostheses. Ankle
joint torque and angle data will be collected from non-amputees while walking and running at
multiple speeds and slopes. This data will be used to develop control parameters for a
powered ankle-foot prosthesis. Then, these parameters will be implemented and tested in a
powered prosthesis worn by people with below the knee amputations.


Inclusion Criteria:

Study 1:

- Between 18-60 years old.

Study 2 and 3:

- Between 18-60 years old.

- At least 1 year post-amputation

- no current problems with prosthesis or residual limb

- At least a K3 level of ambulation

Study 4:

- Between 18-45 years old

Study 5:

- Between 18-45 years old

- At least 1 year post-amputation

- no current problems with prosthesis or residual limb

- Experience running with a passive prosthesis

- At least a K4 level of ambulation

Exclusion Criteria:

Studies 1-5

- Cardiovascular, pulmonary, or neurological disease or disorder

- Musculoskeletal injury
We found this trial at
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University of Colorado, Boulder
Boulder, Colorado 80309
(303) 492-1411
Principal Investigator: Alena Grabowski, PhD
Phone: 303-492-5208
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