{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,17]],"date-time":"2026-10-17T06:11:12Z","timestamp":1792217472324,"version":"4.4.0"},"reference-count":29,"publisher":"Journal of Orthopaedic & Sports Physical Therapy (JOSPT)","issue":"7","content-domain":{"domain":["www.jospt.org"],"crossmark-restriction":true},"short-container-title":["Journal of Orthopaedic &amp; Sports Physical Therapy"],"published-print":{"date-parts":[[2026,7]]},"abstract":"<jats:p>OBJECTIVE: To evaluate a 3-month post\u2013hip arthroscopy rehabilitation program within a randomized controlled trial comparing hip arthroscopy to sham surgery for femoroacetabular impingement syndrome (HIP ARThroscopy International [HIPARTI] trial) by describing exercise adherence, type, and pain; 6-month changes in International Hip Outcome Tool-33 (iHOT-33); and physical impairments and functional performance.<\/jats:p>\n                  <jats:p>DESIGN: Exploratory cohort study nested in a pilot randomized controlled trial.<\/jats:p>\n                  <jats:p>METHODS: Participants aged 18 to 50 years with femoroacetabular impingement syndrome completed a 3-month, physical therapist\u2013led, postsurgical rehabilitation program, self-reporting rehabilitation adherence and pain levels on the visual analog scale using weekly training diaries. Baseline to 6-month changes in quality of life (iHOT-33), physical impairment (hip strength, range of motion [ROM]), and functional performance (single-leg hop, side bridge endurance) were reported as mean (standard deviation).<\/jats:p>\n                  <jats:p>RESULTS: Twenty-nine people (37% female, 29.9 \u00b1 7.9 years) participated. Hip extension, abduction, and functional exercises were performed most often. Exercise adherence analysis was limited by underreporting. Training diary data adequate to assess adherence were available for 20 participants (69%). Among those with available data, 16 (80%) met the predefined adherence target of \u22652 sessions per week, and average pain remained acceptable (&lt;2 visual analog scale); iHOT-33 (+18.6 \u00b1 22.5; 95% confidence interval: 10.2, 27.0) and hip flexion ROM (+6\u00b0; 95% confidence interval: 2.14, 9.60) improved significantly. Hip extension, adduction, external and internal rotation strength improvements exceeded the minimal detectable change, although they were not significant.<\/jats:p>\n                  <jats:p>CONCLUSION: Adherence was generally high among participants with available data, though limited by underreporting. Hip-related quality of life (iHOT-33) improved despite limited changes in physical impairments, and no improvement in functional performance. J Orthop Sports Phys Ther 2026;56(7):456-464. 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