{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,3,13]],"date-time":"2025-03-13T01:10:26Z","timestamp":1741828226980,"version":"3.38.0"},"reference-count":34,"publisher":"University of Toronto Press Inc. (UTPress)","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Physiotherapy Canada"],"published-print":{"date-parts":[[2013,1]]},"abstract":"<jats:p> Purpose: To assess the immediate effect of hamstring and abdominal activation on pain levels as measured by the Numeric Pain Scale (NPS) and hip range of motion as measured by Ober's Test in people with lumbopelvic pain. Methods: Thirteen participants with lumbopelvic pain and positive Ober's Tests completed an exercise developed by the Postural Restoration Institute\u2122 to recruit hamstrings and abdominal muscles. Results: There was a significant increase in passive hip-adduction angles (p&lt;0.01) and decrease in pain (p&lt;0.01) immediately after the intervention. Conclusion: Specific exercises that activate hamstrings and abdominal muscles appear to immediately improve Ober's Test measurements and reduce pain as measured by the NPS in people with lumbo-pelvic pain. Hamstring\/abdominal activation, rather than iliotibial band stretching, may be an effective intervention for addressing lumbopelvic pain and a positive Ober's Test. <\/jats:p>","DOI":"10.3138\/ptc.2011-33","type":"journal-article","created":{"date-parts":[[2012,9,15]],"date-time":"2012-09-15T01:32:43Z","timestamp":1347672763000},"page":"4-11","source":"Crossref","is-referenced-by-count":3,"title":["Influence of Hamstring and Abdominal Muscle Activation on a Positive Ober's Test in People with Lumbopelvic Pain"],"prefix":"10.3138","volume":"65","author":[{"given":"H. 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