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Enhancing Motor Function in Individuals with Lower Limb Amputation

Enhancing Motor Function in Individuals with Lower Limb Amputation Through Peer-Based Balance and Fall Recovery Skill Training

Who can join

Ages 18 and older · All sexes

Inclusion Criteria:

* 1\) have unilateral lower limb amputation,
* 2\) age \>18 years,
* 3\) are properly fitted with a walking prosthesis and use it regularly with at least moderate proficiency (K-2 level or above, further defined as scoring greater than 50 percentile on the Prosthetic Limb Users Survey of Mobility),
* 4\) able to stand for at least 5 minutes without using an assistive device or experiencing excessive fatigue,
* 5\) willing to travel to UNLV 6 times for training and testing.

Exclusion Criteria:

* 1\) have other concurrent central nervous system diseases that influence motor function and balance,
* 2\) have leg/foot ulcer or other conditions that cause pain during weight-bearing,
* 3\) have cardiovascular, respiratory or other critical health conditions that preclude moderate physical activity.

About the study

The overall goal of this research project is to investigate the effectiveness and the science of peer-based prosthetic skill training in individuals with leg amputation. Our belief is that amputee learners will show improved skill learning when observing demonstrations from other amputees, as opposed to observing nonamputee models. The investigators will accomplish the objective by answering the following two questions:

Question 1: Does peer-based observation training works better for learning motor tasks for individuals with lower limb amputation (LLA)?

Question 2: Are there differences in visual focus, behavior, and brain activation patterns when observing motor task demonstrations from amputee peers vs. non-amputees?

Participants of this study will be asked to learn a balance and a fall recovery task by observing video demonstrations by amputee peers vs. non-amputees. The investigators will compare which setting produce better learning.

What is being tested

• Balance and fall recovery training (behavioral)

Sponsor: University of Nevada, Las Vegas · Participants: 20 · Started: Jun 30, 2023

Contact the study team

• Szu-Ping Lee, PhD · Phone: 702-895-3086
• Joel Snyder, PhD · Phone: 7028954692

Official record on ClinicalTrials.gov — NCT06638723

Locations in the U.S.

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.