Document Detail


Effect of lower extremity functional electrical stimulation pulsed isometric contractions on arm cycling peak oxygen uptake in spinal cord injured individuals.
MedLine Citation:
PMID:  23307336     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To compare peak oxygen uptake (VO2peak) between: (i) functional electrical stimulation lower extremity pulsed isometric muscle contractions combined with arm cycling (FES iso hybrid), (ii) functional electrical stimulation cycling combined with arm cycling (FES hybrid cycling), and (iii) arm cycling exercise (ACE) in individuals with spinal cord injury with level of injury above and below T6.
DESIGN: Cross-over repeated measures design. METHODS/PARTICIPANTS: Individuals with spinal cord injury (n = 15) with level of injury between C4 and T12, were divided into groups; above (spinal cord injury - high, n = 8) and below (spinal cord injury - low, n = 7) T6 level. On separate days, VO2peak was compared between: (i) ACE, (ii) FES iso hybrid, and (iii) FES hybrid cycling.
RESULTS: In the SCI-high group, FES iso hybrid increased VO2peak (17.6 (standard deviation (SD) 5.0) to 23.6 (SD 3.6) ml/kg/min; p = 0.001) and ventilation (50.4 (SD 20.8) to 58.2 (SD 20.7) l/min; p = 0.034) more than ACE. Furthermore, FES hybrid cycling resulted in a 6.8 ml/kg/min higher VO2peak (p = 0.001) and an 11.0 litres/minute (p = 0.001) higher ventilation. ACE peak workload was 10.5 W (p = 0.001) higher during FES hybrid cycling compared with ACE. In the spinal cord injury - low group, no significant differences were found between the modalities.
CONCLUSION: VO2peak increased when ACE was combined with FES iso hybrid or FES hybrid cycling in persons with spinal cord injury above the T6 level. Portable FES may serve as a less resource-demanding alternative to stationary FES cycling, and may have important implications for exercise prescription for spinal cord injury.
Authors:
Berit Brurok; Tom Tørhaug; Trine Karlsen; Gunnar Leivseth; Jan Helgerud; Jan Hoff
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Publication Detail:
Type:  Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of rehabilitation medicine     Volume:  45     ISSN:  1651-2081     ISO Abbreviation:  J Rehabil Med     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-03-06     Completed Date:  2013-07-09     Revised Date:  2014-05-30    
Medline Journal Info:
Nlm Unique ID:  101088169     Medline TA:  J Rehabil Med     Country:  Sweden    
Other Details:
Languages:  eng     Pagination:  254-9     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Adult
Cross-Over Studies
Electric Stimulation Therapy*
Exercise Test*
Female
Humans
Isometric Contraction / physiology
Lower Extremity / physiopathology
Male
Middle Aged
Oxygen / metabolism*
Oxygen Consumption
Spinal Cord Injuries / metabolism,  physiopathology*,  rehabilitation*
Chemical
Reg. No./Substance:
S88TT14065/Oxygen

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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