Medical Benefits of the ERGYS and REGYS FES Leg-Cycle
A Survey of Published Clinical Studies
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Janssen T. W. J., Glaser R. M., Shuster D. B.:
Clinical Efficacy of Electrical Stimulation Exercise Training: Effects on Health, Fitness,
and Function. Topics in Spinal Cord Injury Rehabilitation (Stephen Figoni, issue editor; David Apple, editor):
Winter 1998, An Aspen Publication.
Conclusion: The collection of research strongly suggests that lower
limb FES-induced exercise training can offer multiple therapeutic benefits for individuals
Mohr T., Andersen J., Biering-Sorensen F., Henrik
G., Bangsbo J., Wagner A., Kjaer M.: Long term
adaptation to electrically induced cycle training in severe spinal cord injured
individuals. Spinal Cord: Vol. 35: 1-16, 1997.
Conclusion: One year of electrically induced cycle training can reverse
several of the inactivity associated changes seen after SCI. Among the changes noted were
a 12% growth in the stimulated muscle and a six-fold work performance increase accompanied
by a 23% increase in maximal oxygen uptake. [REGYS]
Nash M. S., Montalvo B. M., Applegate B.: Lower extremity blood flow and responses to
occlusion ischemia differ in exercise-trained and sedentary tetraplegic persons. Archives
of Physical Medicine and Rehabilitation: Vol. 77: 1260-1265, 1996.
Conclusion: Tetraplegic persons conditioned by electrically stimulated
cycling have greater lower extremity blood flow and hyperemic responses to occlusion than
do their sedentary counterparts. [ERGYS]
Hooker S. P., Scremin E., Mutton D. L., Kunkel C. F., Cagle G: Peak and submaximal
physiologic responses following electrical stimulation leg cycle ergometer training. Journal
of Rehabilitation Research and Development: Vol. 32, No. 4: 361-366, 1995.
Conclusion: Two-time per week NMES leg cycle training program will also
result in significant increases in exercise tolerance and cardiorespiratory capacity in
persons with SCI (compared with three times per week). [REGYS]
Twist, D. J., Culpepper-Morgan J. A., Ragnarsson K. T., Petrillo C. R., Kreck M. J.
Neuroendocrine changes during functional electrical stimulation. American Journal of
Physical Medicine and Rehabilitation: 71: 156-163, 1992.
Conclusion: 30 weeks of FNS exercise training led to significant increases
in beta endorphin-like immunoreactivity, improved regulation of cortisol, and improved
scores on a depression index. [REGYS, ERGYS]
Nash M. S., Bilsker S., Marcillo A. E., Isaac B. S., Botelho L. A., Klose K. J., Green
B. A., Rountree M. T., Shea J. D. Reversal of left ventricular atrophy following
electrically-stimulated exercise training in human tetraplegics. Paraplegia 29:
Conclusion: Six months of exercise led to significant increases in left
ventricular internal dimension and intraventricular septal and posterior wall thicknesses
in quadriplegics. [ERGYS]
Kristjan T. Ragnarsson, Susan Pollack Feldman, Donna Twist. Lower limb endurance
exercise after spinal cord injury: implications for health and functional ambulation. J
Neuro Rehab 1991;5:37-48.
Conclusion: When the lower motor neuron system is intact, paraplegics and
quadriplegics can perform substatial exercise through the use of computerized functional
electrical stimulation. Many of the effects of physical inactivity experienced after SCI
may be reversed by FES intervention. [REGYS, ERGYS]
Steven P. Hooker, Stephen F. Figoni, Roger M.
Glaser, Mary M. Rodgers, Bertram N. Ezenwa, Pouran
D. Faghri. Physiologic responses to prolonged electrically stimulated leg-cycle
exercise in the spinal cord injured. Archives of Physical Medicine and Rehabilitation:
Vol. 71: 863-869, 1990.
Conclusion: Despite the existence of sympathetic impairment, 30 minutes of FES
leg-cycle exercise in a controlled environment does not result in inappropriate
physiologic responses in SCI individuals. [ERGYS]
Sipski M. L., Delisa J. A., Schweer S. Functional electrical stimulation bicycle
ergometry: patient perceptions. American Journal of Physical Medicine and
Rehabilitation: 68: 147-149, 1989.
Conclusion: A majority of SCI subjects indicated improved self-image and
perceived their appearance to be better following training. [ERGYS]