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Functional electrical stimulation for upper limb strengthening in traumatic quadriplegia
B R Seeger1, D Law, J E Creswell
1Regency Park Centre for Young Disabled, Kilkenny, SA.
Archives of Physical Medicine and Rehabilitation
|September 1, 1989
Summary
Functional electrical stimulation (FES)-assisted exercise did not significantly improve arm muscle strength in spinal cord injured individuals compared to conventional exercise. Results suggest realistic expectations for FES therapy in quadriplegics.
Area of Science:
- Rehabilitation Medicine
- Neuroscience
- Biomedical Engineering
Background:
- Spinal cord injury (SCI) often results in paralysis and muscle atrophy.
- Restoring arm function is crucial for independence in individuals with SCI.
- Functional electrical stimulation (FES) is a potential therapeutic modality for muscle re-education.
Purpose of the Study:
- To compare the efficacy of FES-assisted exercise versus conventional isotonic exercise.
- To determine if FES-assisted exercise enhances muscle strength in SCI quadriplegics.
- To evaluate improvements in maximum voluntary force.
Main Methods:
- A crossover design study involving seven spinal cord injured quadriplegic subjects.
- Comparison of FES-assisted exercise with conventional isotonic exercise over equal periods.
- Measurement of single muscle strength and maximum voluntary force.
Main Results:
- Neither FES-assisted exercise nor conventional exercise led to statistically significant improvements in muscle strength.
- Functional improvements in maximum voluntary force were not observed.
- The exercise regimes did not yield significant therapeutic benefits for the participants.
Conclusions:
- The study's hypothesis was not supported by the findings.
- Current FES-assisted exercise protocols may not be sufficient for significant strength gains in this population.
- Results encourage realistic expectations regarding the therapeutic potential of FES for SCI.