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Walker inlet-closure strap for unsteady patients with lower-extremity amputations
R L Kirby1, C E Little, D A MacLeod
1Division of Physical Medicine and Rehabilitation, Dalhousie University, Halifax, Nova Scotia, Canada.
Archives of Physical Medicine and Rehabilitation
|June 23, 1999
Summary
A simple elastic strap can prevent falls in patients with lower-extremity amputations using walkers. This intervention helps users avoid stepping too far forward, improving walker safety and stability.
Area of Science:
- Rehabilitation Medicine
- Biomechanics
- Prosthetics and Orthotics
Background:
- Patients with lower-extremity amputations using walkers are at risk of backward falls.
- Falls often occur when the user steps too far forward into the walker's base of support.
Purpose of the Study:
- To evaluate the effectiveness of a knee-high elastic strap in correcting a dangerous gait pattern in amputee walker users.
- To determine if the strap can prevent users from over-advancing into the walker's base of support.
Main Methods:
- A pilot study involving 14 patients with unilateral lower-extremity amputations.
- Assessed ankle position relative to the walker's base of support with and without an elastic strap closing the walker's posterior inlet.
Main Results:
- Without the strap, most subjects (8/14) placed their leading ankle in the forward third of the walker base.
- With the strap, significantly more subjects (13/14) positioned their ankle in the posterior third or at/behind the walker inlet (p < .0002).
Conclusions:
- A simple knee-high elastic strap effectively corrects the tendency for lower-extremity amputee walker users to step too far into the walker.
- This intervention offers a low-cost, practical solution to improve walker safety and reduce fall risk.