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The feasibility of Whole Body Vibration in institutionalised elderly persons and its influence on muscle performance, balance and mobility: a randomised controlled trial
ISRCTN ISRCTN62535013
DOI 10.1186/ISRCTN62535013
ClinicalTrials.gov identifier
EudraCT number
Public title The feasibility of Whole Body Vibration in institutionalised elderly persons and its influence on muscle performance, balance and mobility: a randomised controlled trial
Scientific title
Acronym N/A
Serial number at source N/A
Study hypothesis Whole Body Vibration is feasible in institutionalised elderly persons and improves the mobility and muscle performance compared to control.
Lay summary
Ethics approval Not provided at time of registration
Study design Randomised controlled trial
Countries of recruitment Belgium
Disease/condition/study domain Institutionalised elderly persons
Participants - inclusion criteria All residents of a nursing home (Van Zanden, Brussels, Belgium; capacity of 102 beds) within dependence categories O, A and B according to the scale of Katz et al. (1963) for basic activities of daily living.
Participants - exclusion criteria Mainly based on contra-indications for Whole Body Vibration: presence of infectious disease, insulin-dependent diabetes mellitus, endogenous osteosynthethical material, knee or hip prosthesis, pacemaker, epilepsy, musculo-skeletal disorders and cognitive or physical dysfunction interfering with test and training procedures.
Anticipated start date 01/12/2003
Anticipated end date 15/12/2003
Status of trial Completed
Patient information material
Target number of participants 24
Interventions Intervention: A 6-week exercise program on a vertical vibration platform (Power-Plate, Badhoevedorp, The Netherlands), three times per week (with a minimum of 1-day rest in between) and consisting in 6 static exercises targeting lower limb muscles. The exercise volume and intensity being progressively increased according to the overload-principle.

Control: Exactly the same exercise program on the vibration platform as the intervention group, but without vertical vibration (the sound of the motor of the vibration platform being reproduced by a tape recorder during each bout of exercise).
Primary outcome measure(s) Feasibility: taking into account continuation of the exercise program and/or occurence of complications related to the Whole Body Vibration exercises.

Improvement due to the intervention: taking into account balance and gait (using the timed up-and-go test and Tinetti-test), upper limb and lower body flexibility (using the back scratch and chair sit-and-reach test), maximal grip strength (using a Martin vigorimeter device, Elmed, Addison, USA), closed chain bilateral leg extension (using a linear isokinetic multi-joint dynamometer, Aristokin®, Lode, Groningen, The Netherlands).
Secondary outcome measure(s) No secondary outcome measures
Sources of funding Free University of Brussels (VUB) - Gerontology
Trial website
Publications Results: http://www.ncbi.nlm.nih.gov/pubmed/16372905
Contact name Prof  Tony  Mets
  Address Geriatric & Gerontology Department
Academic Hospital of the Free University of Brussels (AZ-VUB)
Laarbeeklaan 101
  City/town Brussels
  Zip/Postcode B-1090
  Country Belgium
Sponsor Free University of Brussels (VUB) - Gerontology (Belgium)
  Address Laarbeeklaan 103
  City/town Brussels
  Zip/Postcode B-1090
  Country Belgium
Date applied 30/06/2005
Last edited 15/04/2008
Date ISRCTN assigned 06/07/2005
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