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Peak and submaximal physiologic responses following electrical stimulation leg cycle ergometer training
S P Hooker1, A M Scremin, D L Mutton
1School of Kinesiology and Physical Education, University of Northern Colorado, Greeley 80639, USA.
Journal of Rehabilitation Research and Development
|November 1, 1995
Summary
Neuromuscular electrical stimulation (NMES) leg cycle ergometry improved cardiorespiratory fitness in males with spinal cord injury (SCI). This exercise training enhanced peak oxygen consumption, showing NMES cycling is beneficial for SCI patients.
Area of Science:
- Exercise Physiology
- Rehabilitation Medicine
- Neurology
Background:
- Spinal cord injury (SCI) often leads to reduced cardiorespiratory fitness.
- Neuromuscular electrical stimulation (NMES) offers a potential avenue for exercise in individuals with SCI.
Purpose of the Study:
- To investigate the effects of NMES leg cycle ergometry training on cardiorespiratory fitness in males with SCI.
- To assess changes in physiological responses before and after a structured NMES training program.
Main Methods:
- Eight males with SCI underwent a 19-week NMES leg cycle ergometry program.
- Training involved 24+ sessions, gradually increasing work rate from 0 W.
- Repeated measures ANOVA compared pre- and post-training peak and submaximal physiological responses.
Main Results:
- A significant 10% increase in peak oxygen consumption (VO2) was observed post-training (P < 0.05).
- No significant changes were found in other peak variables like VCO2, VE, WR, HR, or RER.
- Submaximal testing showed a significant decrease in respiratory exchange ratio (RER).
Conclusions:
- NMES leg cycle training, even when performed twice weekly, can significantly enhance cardiorespiratory fitness in individuals with SCI.
- While improvements in peak VO2 were modest, the study supports NMES ergometry as a viable training modality for this population.