A randomized controlled trial to assess the efficacy of shoulder manipulation vs. placebo in the treatment of shoulder pain due to rotator cuff tendinopathy.

Autor: Atkinson M, Mathews R, Brantingham JW, Globe G, Cassa T, Bonnefin D, Korporaal C
Zdroj: Journal of the American Chiropractic Association; Dec2008, Vol. 45 Issue 9, p11-26, 16p
Abstrakt: Introduction: Shoulder pain is common, but the best treatment for it is yet to be determined. This randomized, placebo-controlled trial of manipulation (high-velocity, lowamplitude shoulder adjustment) vs. placebo (sham laser) was designed to assess the efficacy of manipulation in the treatment of rotator cuff tendinopathy. Materials and Methods: Eighty-six patientswere screened, and 60 volunteers, 30 per group (average age 42, range 18 to 76 years) with a diagnosis of rotator cuff tendinopathy (supraspinatus tendinopathy) were randomized into two groups. Outcome measures included the Numerical Pain Rating Scale- 101 (NRS-101), algometry, and goniometry. Full power was calculated at 95%, requiring a sample size of N=144 with a set at p=0.05.Results: The unpaired t-test demonstrated a significant difference in favor of adjusting (Group 1) for algometry and goniometry (p[
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