Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/27321
Title: Optimal stimulation frequency of transcutaneous electrical nerve stimulation on people with knee osteoarthritis
Authors: Law, PPW
Cheing, GLY 
Keywords: Osteoarthritis
Pain
Stimulation frequency
TENS
Transcutaneous electrical nerve stimulation
Issue Date: 2004
Publisher: Foundation for Rehabilitation Information
Source: Journal of rehabilitation medicine, 2004, v. 36, no. 5, p. 220-225 How to cite?
Journal: Journal of rehabilitation medicine 
Abstract: Objective: This is a double blind study that examined the optimal stimulation frequency of transcutaneous electrical nerve stimulation in reducing pain due to knee osteoarthritis. Subjects: Thirty-four subjects were randomly allocated into 4 groups receiving transcutaneous electrical nerve stimulation at either: (i) 2 Hz; (ii) 100 Hz; (iii) an alternating frequency of 2 Hz and 100 Hz (2/100 Hz); or (iv) a placebo transcutaneous electrical nerve stimulation. Methods: Treatment was administered 5 days a week for 2 weeks. The outcome measures included: (i) a visual analogue scale; (ii) a timed up-and-go test; and (iii) a range of knee motion. Results: The 3 active transcutaneous electrical nerve stimulation groups (2 Hz, 100 Hz, 2/100 Hz), but not the placebo group, significantly reduced osteoarthritic knee pain across treatment sessions. However, no significant between-group difference was found. Similarly, the 3 active transcutaneous electrical nerve stimulation groups, but not the placebo group, produced significant reductions in the amount of time required to perform the timed up-and-go test, and an increase in the maximum passive knee range of motion. Conclusion: Our findings suggested that 2 weeks of repeated applications of transcutaneous electrical nerve stimulation at 2 Hz, 100 Hz or 2/100 Hz produced similar treatment effects for people suffering from osteoarthritic knee.
URI: http://hdl.handle.net/10397/27321
ISSN: 1650-1977
EISSN: 1651-2081
DOI: 10.1080/16501970410029834
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