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Spinal Cord. 1999 Apr;37(4):264-8.

Histochemical changes in muscle of individuals with spinal cord injury following functional electrical stimulated exercise training.

Author information

1
The Faculty of Physical Education and Recreation, University of Alberta, Edmonton, Canada.

Abstract

STUDY DESIGN:

Longitudinal training.

OBJECTIVES:

To determine the effects of functional electrical stimulated (FES) leg cycle ergometer training on muscle histochemical characteristics in individuals with motor-complete spinal cord injury (SCI).

SETTING:

University of Alberta, Edmonton, Alberta, Canada.

METHODS:

Six individuals with motor-complete SCI (age 31-50 years; 3-25 years post-injury) trained using FES leg cycle ergometry for 30 min, 3 days per week for 8 weeks. Biopsies of the vastus lateralis muscle were obtained pre- and post-training and analyzed for fibre composition, fibre size and capillarization.

RESULTS:

The majority of muscle fibres were classified as type 2 pre- and post-training. Average fibre area increased 23% (P<0.05) and capillary number increased 39% (P<0.05) with training. As a result of these proportional increases, capillarization expressed relative to fibre area was unchanged with training.

CONCLUSIONS:

FES leg cycle ergometer training results in proportional increases in fibre area and capillary number in individuals with SCI.

PMID:
10338346
DOI:
10.1038/sj.sc.3100785
[Indexed for MEDLINE]

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