Effect of Biofeedback on Gait Asymmetry After Stroke
Author Information
Author(s): Kettlety Sarah A., Finley James M., Leech Kristan A.
Primary Institution: University of Southern California
Hypothesis
Decreasing propulsion asymmetry would reduce overall gait asymmetry.
Conclusion
Reducing propulsive asymmetry using biofeedback is unlikely to produce substantial reductions in overall gait asymmetry.
Supporting Evidence
- Participants used biofeedback to increase paretic propulsion and reduce propulsion asymmetry.
- Changes in propulsion asymmetry were associated with small changes in overall gait asymmetry.
- On average, a reduction in propulsion asymmetry resulted in a minimal change in overall gait symmetry.
Takeaway
The study looked at how helping people walk better after a stroke by changing how they push off with their legs didn't really help them walk more evenly overall.
Methodology
Participants completed biofeedback training to increase paretic propulsion, and changes in propulsion asymmetry and overall gait asymmetry were measured.
Potential Biases
Participants may have varied in their ability to use biofeedback effectively, leading to inconsistent results.
Limitations
The study only included a single session of biofeedback training, which may not reflect long-term effects.
Participant Demographics
Participants were individuals at least six months post-stroke, aged 18-80, with unilateral paresis.
Statistical Information
P-Value
0.002
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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