Hybrid functional electrical stimulation exercise training alters the relationship between spinal cord injury level and aerobic capacity

J. Andrew Taylor, Glen Picard, Aidan Porter, Leslie R. Morse, Meghan F. Pronovost, Gaelle Deley

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Objective To test the hypothesis that hybrid functional electrical stimulation (FES) row training would improve aerobic capacity but that it would remain strongly linked to level of spinal cord lesion because of limited maximal ventilation.

Design Longitudinal before-after trial of 6 months of FES row training.

Setting Exercise for persons with disabilities program in a hospitaL.

Participantsg Volunteers (N=14; age range, 21-63y) with complete spinal cord injury (SCI) (T3-11) who are >2 years postinjury. Intervention Six months of FES row training preceded by a variable period of FES strength training.

Main Outcome Measures Peak aerobic capacity and peak exercise ventilation before and after 6 months of FES row training.

Results FES row training significantly increased peak aerobic capacity and peak minute ventilation (both P<.05). Prior to FES row training, there was a close relation between level of SCI and peak aerobic capacity (adjusted R2=.40, P=.009) that was markedly reduced after FES row training (adjusted R2=.15, P=.10). In contrast, the relation between level of injury and peak minute ventilation was comparable before and after FES row training (adjusted R2=.38 vs.32, both P<.05).

Conclusions The increased aerobic capacity reflects more than increased ventilation; FES row training effectively circumvents the effect of SCI on peak aerobic capacity by engaging more muscle mass for training, independent of the level of injury.

Original languageEnglish (US)
Pages (from-to)2172-2179
Number of pages8
JournalArchives of Physical Medicine and Rehabilitation
Volume95
Issue number11
DOIs
StatePublished - Nov 1 2014
Externally publishedYes

Bibliographical note

Funding Information:
Supported by the National Institutes of Health (grant no. R01Hl117037 ), Department of Defense (grant no. W81XWH-10-1-1043 ), and Department of Education (grant no. NIDRR H133N110010 ).

Publisher Copyright:
© 2014 American Congress of Rehabilitation Medicin.

Keywords

  • Exercise
  • Rehabilitation

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