Delayed onset muscle soreness: lack of effect of therapeutic ultrasound in humans
Deutscher übersetzter Titel: | Muskelkater: das Fehlen der Wirksamkeit von therapeutischer Ultraschallanwendung beim Menschen |
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Autor: | Craig, J.A.; Bradley, J.; Walsh, D.M.; Baxter, G.D.; Allen, J.M. |
Erschienen in: | Archives of physical medicine and rehabilitation |
Veröffentlicht: | 80 (1999), 3, S. 318-323, Lit. |
Format: | Literatur (SPOLIT) |
Publikationstyp: | Zeitschriftenartikel |
Medienart: | Gedruckte Ressource |
Sprache: | Englisch |
ISSN: | 0003-9993, 1532-821X |
Schlagworte: | |
Online Zugang: | |
Erfassungsnummer: | PU199908401047 |
Quelle: | BISp |
Abstract des Autors
Objective: To investigate the effects of two dosages of pulsed ultrasound therapy (1 MHz, spatial averaged peak intensity 0.8 W/cm**2, mark space ratio of 1:4) on acute-stage delayed onset muscle soreness (DOMS). Design: Double-blind, placebo-controlled, randomized trial. Setting: Laboratory of a university physiotherapy department. Participants: Forty-eight healthy volunteers (24 men, 24 women) with no arm pathology or pain at the time of the study. Interventions: Subjects were randomly allocated to one of four treatment groups: control, placebo (sham insonation), low-dosage pulsed ultrasound (mean dosage 172.8 J), or high-dosage pulsed ultrasound (mean dosage 345.6 J). DOMS was induced in the nondominant elbow flexors in a standardized fashion through repeated eccentric exercise until exhaustion. Main Outcome Measures: Elbow extension, flexion, and resting angles (universal goniometer), pain (visual analogue scale), mechanical pain threshold/tenderness (pressure algometer), and a McGill pain questionnaire. Measurements were taken before and after treatment each day except for the McGill pain questionnaire, which was completed at the end of the trial. Results: Significant differences were seen between groups in relation to range of flexion (p=.0032), with the control group losing least range of flexion. There were no other significant differences between the groups. Conclusion: No convincing evidence was found to support the use of pulsed ultrasound therapy in the management of DOMS at the parameters discussed here. Verf.-Referat