Document Detail

Effects of burst-type transcutaneous electrical nerve stimulation on cervical range of motion and latent myofascial trigger point pain sensitivity.
MedLine Citation:
PMID:  21878204     Owner:  NLM     Status:  In-Data-Review    
OBJECTIVE: To assess the effects of a burst application of transcutaneous electrical nerve stimulation (TENS) on cervical range of motion and pressure point sensitivity of latent myofascial trigger points (MTrPs).
DESIGN: A single-session, single-blind randomized trial.
SETTING: General community rehabilitation clinic.
PARTICIPANTS: Individuals (N=76; 45 men, 31 women) aged 18 to 41 years (mean ± SD, 23±4y) with latent MTrPs in 1 upper trapezius muscle.
INTERVENTIONS: Subjects were randomly divided into 2 groups: a TENS group that received a burst-type TENS (pulse width, 200μs; frequency, 100Hz; burst frequency, 2Hz) stimulation over the upper trapezius for 10 minutes, and a placebo group that received a sham-TENS application over the upper trapezius also for 10 minutes.
MAIN OUTCOME MEASURES: Referred pressure pain threshold (RPPT) over the MTrP and cervical range of motion in rotation were assessed before, and 1 and 5 minutes after the intervention by an assessor blinded to subjects' treatment.
RESULTS: The analysis of covariance revealed a significant group × time interaction (P<.001) for RPPT: the TENS group exhibited a greater increase compared with the control group; however, between-group differences were small at 1 minute (0.3kg/cm(2); 95% confidence interval [CI], 0.1-0.4) and at 5 minutes (0.6kg/cm(2); 95% CI, 0.3-0.8) after treatment. A significant group × time interaction (P=.01) was also found for cervical rotation in favor of the TENS group. Between-group differences were also small at 1 minute (2.0°; 95% CI, 1.0-2.8) and at 5 minutes (2.7°; 95% CI, 1.7-3.8) after treatment.
CONCLUSIONS: A 10-minute application of burst-type TENS increases in a small but statistically significant manner the RPPT over upper trapezius latent MTrPs and the ipsilateral cervical range of motion.
Angel L Rodríguez-Fernández; Víctor Garrido-Santofimia; Javier Güeita-Rodríguez; César Fernández-de-Las-Peñas
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Archives of physical medicine and rehabilitation     Volume:  92     ISSN:  1532-821X     ISO Abbreviation:  Arch Phys Med Rehabil     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-08-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2985158R     Medline TA:  Arch Phys Med Rehabil     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1353-8     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2011 American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.
Department of Physical Therapy, Faculty of Medicine, CEU-San Pablo University, Madrid, Spain.
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