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Effects of cycling and/or electrical stimulation on bone mineral density in children with spinal cord injury.
MedLine Citation:
PMID:  21423253     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Study design:Randomized clinical trial.Objectives:To determine the effect of cycling and/or electrical stimulation on hip and knee bone mineral density (BMD) in children with spinal cord injury (SCI).Setting:Children's hospital specializing in pediatric SCI.Methods:A total of 30 children, aged 5-13 years, with chronic SCI were randomized to one of three interventions: functional electrical stimulation cycling (FESC), passive cycling (PC), and non-cycling, electrically stimulated exercise (ES). Each group exercised for 1 h, three times per week for 6 months at home. The hip, distal femur and proximal tibia BMD were examined via dual-energy X-ray absorptiometry (DXA) pre- and post-intervention.Results:In all, 28 children completed data collection. The FESC group exhibited increases in hip, distal femur and proximal tibia BMD of 32.4, 6.62 and 10.3%, respectively. The PC group exhibited increases at the hip (29.2%), but no change at the distal femur (1.5%) or proximal tibia (-1.0%). The ES group had no change at the hip (-0.24%) and distal femur (3.3%), but a loss at the proximal tibia (-7.06%). There were no differences between groups or within groups over time. Significant negative correlations were found between baseline BMD and the amount of BMD change.Conclusion:Although not achieving statistical significance, hip BMD changes observed were greater than the reported 0.9-10% gains after exercise for children with and without disability. Thus, cycling with and without electrical stimulation may be beneficial for skeletal health in pediatric SCI, but further research is needed with a larger sample size.Spinal Cord advance online publication, 22 March 2011; doi:10.1038/sc.2011.19.
Authors:
R T Lauer; B T Smith; M J Mulcahey; R R Betz; T E Johnston
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-3-22
Journal Detail:
Title:  Spinal cord : the official journal of the International Medical Society of Paraplegia     Volume:  -     ISSN:  1476-5624     ISO Abbreviation:  -     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-3-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9609749     Medline TA:  Spinal Cord     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
1] Department of Physical Therapy, Temple University, Philadelphia, PA, USA [2] Shriners Hospital for Children, Philadelphia, PA, USA.
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