Browsing by Subject "reliability"
Now showing 1 - 2 of 2
- Results Per Page
- Sort Options
Item Glenohumeral joint capsular tissue tension loading correlates moderately with shear wave elastography: a cadaveric investigation(Korean Society of Ultrasound in Medicine, 2019-08-01) Nichols, Charles W.; Brismee, Jean-Michel; Hooper, Troy L.; Bertrand-Grenier, Antony; Gilbert, Kerry K.; St-Pierre, Marc-Olivier; Kapila, Jeegisha; Sobczak, StephanePURPOSE: The purpose of this study was to investigate changes in the mechanical properties of capsular tissue using shear wave elastography (SWE) and a durometer under various tensile loads, and to explore the reliability and correlation of SWE and durometer measurements to evaluate whether SWE technology could be used to assess tissue changes during capsule tensile loading. METHODS: The inferior glenohumeral joint capsule was harvested from 10 fresh human cadaveric specimens. Tensile loading was applied to the capsular tissue using 1-, 3-, 5-, and 8-kg weights. Blinded investigators measured tissue stiffness and hardness during loading using SWE and a durometer, respectively. Intraobserver reliability was established for SWE and durometer measurements using intraclass correlation coefficients (ICCs). The Pearson product-moment correlation was used to assess the associations between SWE and durometer measurements. RESULTS: The ICC3,5 for durometer measurements was 0.90 (95% confidence interval [CI], 0.79 to 0.96; P<0.001) and 0.95 (95% CI, 0.88 to 0.98; P<0.001) for SWE measurements. The Pearson correlation coefficient values for 1-, 3-, and 5-kg weights were 0.56 (P=0.095), 0.36 (P=0.313), and -0.56 (P=0.089), respectively. When the 1- and 3-kg weights were combined, the ICC3,5 was 0.72 (P<0.001), and it was 0.62 (P<0.001) when the 1-, 3-, and 5-kg weights were combined. The 8-kg measurements were severely limited due to SWE measurement saturation of the tissue samples. CONCLUSION: This study suggests that SWE is reliable for measuring capsular tissue stiffness changes in vitro at lower loads (1 and 3 kg) and provides a baseline for the non-invasive evaluation of effects of joint loading and mobilization on capsular tissues in vivo.Item Interexaminer Reliability of Somatic Palpatory Findings Associated with Chronic Low Back Pain(2002-05-01) Russo, David P.; Scott Stoll; John C. Licciardone; Russell GamberRusso, David P., Interexaminer Reliability of Somatic Palpatory Findings Associated with Chronic Low Back Pain. Master of Science, May 2002, 15 pp., 1 table, 1 figure, bibliography, 26 titles. Osteopathic physicians rely on specific clinical palpatory tests to diagnose somatic dysfunction of the neuromusculoskeletal system. The purpose of this study is to compare the interexaminer reliability of six common osteopathic clinical tests to severity ratings of somatic dysfunction in six body regions. Ten trained and clinically supervised predoctoral osteopathic manipulative medicine fellows collected palpatory data using the Standardized Outpatient Osteopathic Soap Note Form (SNF) and recorded findings for six pre-selected osteopathic clinical diagnostic tests as part of a randomized controlled trial of osteopathic manipulative treatment for chronic low back pain. Kappa coefficients were used to assess overall examiner agreement for the osteopathic clinical tests. Intraclass correlational coefficients (ICC) and Chronbach’s alpha were used to assess examiner agreement for the severity ratings. Kappa values for the six clinical tests ranged from 0 to 0.32. The single item ICC was 0.32, average item ICC was .74, and the coefficient alpha for internal consistency of the six body region scores was 0.80. These results indicate that diagnostic impressions of somatic dysfunction severity may be more reliable than outcomes from isolated osteopathic clinical tests.