Participants in soccer (elite and nonelite), elite-level long-distance running, competitive weight lifting, and wrestling had an increased prevalence of knee OA and should be targeted for risk-reduction strategies.
To assess the inter-rater reliability, validity, and inter-instrument agreement of the three quality rating instruments for observational studies. Inter-rater reliability, criterion validity, and inter-instrument reliability were assessed for three quality rating scales, the Downs and Black (D&B), Newcastle-Ottawa (NOS), and Scottish Intercollegiate Guidelines Network (SIGN), using a sample of 23 observational studies of musculoskeletal health outcomes. Inter-rater reliability for the D&B (Intraclass correlations [ICC] = 0.73; CI = 0.47-0.88) and NOS (ICC = 0.52; CI = 0.14-0.76) were moderate to good and was poor for the SIGN (κ = 0.09; CI = -0.22-0.40). The NOS was not statistically valid (p = 0.35), although the SIGN was statistically valid (p < 0.05) with medium to large effect sizes (f(2) = 0.29-0.47). Inter-instrument agreement estimates were κ = 0.34, CI = 0.05-0.62 (D&B versus SIGN), κ = 0.26, CI = 0.00-0.52 (SIGN versus NOS), and κ = 0.43, CI = 0.09-0.78 (D&B versus NOS). Reliability and validity are quite variable across quality rating scales used in assessing observational studies in systematic reviews. Copyright © 2011 John Wiley & Sons, Ltd.
Although OA prevalence was higher in the surgical treatment group at a mean follow-up of 11.8 years, no definitive evidence supports surgical or nonsurgical treatment after anterior cruciate ligament injury to prevent posttraumatic OA. Current studies have been limited by small sample sizes, low methodologic quality, and a lack of data regarding confounding factors.
Objective To determine the overall effectiveness of instrument-assisted soft tissue mobilization (IASTM) in improving range of motion (ROM), pain, strength, and patient-reported function in order to provide recommendations for use. We also sought to examine the influence of IASTM on injured and healthy participants, body part treated, and product used. Data Sources We searched the Academic Search Premier, Alt Healthwatch, CINAHL Complete, Cochrane Library, MEDLINE with full text, NLM PubMed, Physical Education Index, Physiotherapy Evidence Database (PEDro), SPORTDiscus with full text, and Web of Science databases for articles published from 1997 through 2016. The Boolean string advantEDGE OR astym OR graston OR iastm OR “instrument assist* soft tissue mobil*” OR “augment* soft tissue mobil*” OR “myofascial release” OR “instrument assist* massage” OR “augment* massage” OR “instrument assist* cross fiber massage” was used. Study Selection Included articles were randomized controlled trials that measured ROM, pain, strength, or patient-reported function and compared IASTM treatment with at least 1 other group. Data Extraction Thirteen articles met the inclusion criteria. Four independent reviewers assessed study quality using the PEDro and Centre for Evidence-Based Medicine scales. Twelve articles were included in the effect-size analysis. Data Synthesis The average PEDro score for studies of uninjured participants was 5.83 (range = 5 to 7) and that for studies of injured participants was 5.86 (range = 3 to 7). Large effect sizes were found in outcomes for ROM (uninjured participants), pain (injured participants), and patient-reported function (injured participants). The different IASTM tools used in these studies revealed similar effect sizes in the various outcomes. Conclusions The current literature provides support for IASTM in improving ROM in uninjured individuals as well as pain and patient-reported function (or both) in injured patients. More high-quality research involving a larger variety of patients and products is needed to further substantiate and allow for generalization of these findings.
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