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- Title
Reliability and validity of the medial standing overhead arm reach (SOAR) test as a measure of functional hip adduction motion.
- Authors
Grimes, Jason; Wager, Justin; DiZinno, Casey; Fogarty, Thomas; Hund, Eric; Rooney, Brendan; Roy, Taylor; Goldfarb, Jon; Bauer, Paul
- Abstract
Objective: The Posterior Standing Overhead Arm Reach (SOAR) test has been previously reported as a reliable clinical measure of closed chain hip extension motion. The proposed Medial SOAR test expands on that testing approach to provide a similar measure of functional hip adduction motion. This was a preliminary intrarater and interrater reliability and validity study of the Medial SOAR test as a measure of functional hip adduction. Design: Cross-sectional. Setting: University motion analysis laboratory. Participants: Fifty hips were assessed in 25 (22 female) asymptomatic participants (mean age = 23.4 years, SD = 0.8). Main measures: Maximum hip adduction during the Medial SOAR test was measured with a standard goniometer independently by two examiners. The test was also performed using three-dimensional motion capture. The intrarater and interrater reliability of the goniometric measure was determined using intraclass correlation coefficients, and the relationship between measures obtained via goniometry and three-dimensional motion capture was assessed with Pearson correlations and Bland–Altman analysis. Results: Intrarater reliability (ICC2,3) was 0.88 (95% CI = 0.80–0.92) for Examiner 1 and 0.87 (95% CI = 0.79–0.92) for Examiner 2. The standard error of measurement and minimal detectable change were less than 3.0°. Interrater reliability demonstrated an intraclass correlation coefficient = 0.62 (95% CI = 0.28–0.79). Pearson correlations were significant with low-to-moderate associations (r = 0.49, P < 0.001; r = 0.24, P = 0.045). Conclusions: Similar to the previously reported Posterior SOAR test, the Medial SOAR test demonstrated acceptable intrarater and interrater reliability, along with low-to-moderate associations with three-dimensional motion capture. The Medial SOAR test has the potential to provide a reliable and accurate assessment of closed chain hip adduction.
- Subjects
HIP joint physiology; CROSS-sectional method; PEARSON correlation (Statistics); ARM; ADDUCTION; MEASUREMENT of angles (Geometry); LEG; FUNCTIONAL assessment; RESEARCH evaluation; MUSCLE strength testing; DESCRIPTIVE statistics; INTRACLASS correlation; DIGITAL video; BODY movement; CONFIDENCE intervals; RANGE of motion of joints; MOTION capture (Human mechanics)
- Publication
Clinical Rehabilitation, 2024, Vol 38, Issue 7, p955
- ISSN
0269-2155
- Publication type
Article
- DOI
10.1177/02692155241236600