EP1.2 Beighton Score Does Not Correlate to Intra-operative Hip Distraction Distance in Patients Undergoing Arthroscopy for Femoroacetabular Impingement

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ID: 331244
2026
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Abstract
Abstract Background Hip stability influences outcomes following arthroscopic treatment of femoroacetabular impingement syndrome (FAIS). Intraoperative hip distraction provides an objective measure of joint laxity. The Beighton score (BS) is widely used to assess generalized joint hypermobility; however, its correlation to hip-specific laxity remains unclear. Purpose/Hypothesis To evaluate the association between BS and intraoperative hip distraction in patients undergoing hip arthroscopy for FAIS. Secondary aims were to assess relationships between BS, preoperative pain, self-reported hypermobility, and individual Beighton components. We hypothesized that higher BS would be associated with greater distraction, increased pain, and greater self-reported hypermobility. Methods A retrospective review of a single-surgeon database was performed of patients undergoing primary hip arthroscopy for FAIS. Beighton scores, individual Beighton components, patient-reported hypermobility, pain scores (VAS), and patient-reported outcomes (PROMIS-PF, SANE) were collected. Radiographic measurements were collected including lateral center-edge angle (LCEA), Tönnis angle, and alpha angle. Interaoperative distraction was measured fluoroscopically at 25, 50, 75, and 100 pounds of force (lbF) as change in joint space relative to 0 lbF. Associations were evaluated using correlation and subgroup analyses. Results A total of 201 patients were included (72% female; age 31.4 ± 11.6 years; BMI 26.3 ± 5.3 kg/m2). Mean BS was 2.28 ± 2.30 and was not associated with distraction at 25, 75, or 100 lbF (ρ = −0.039 to 0.048; all p > 0.25), with a weak correlation at 50 lbF (ρ = 0.144, p = 0.046). Individual Beighton components were not associated with maximum distraction. Although each component correlated with total BS (ρ = 0.496–0.652, p < 0.001), none demonstrated predictive value for distraction. High distractors were more often female (90% vs 66%, p = 0.002) and had lower LCEA (p = 0.005), higher Tönnis angle (p = 0.027), and greater baseline joint space width (p < 0.001), with no difference in BS (p = 0.396). Increased distractibility was associated with greater pain with activity (p = 0.018) and worse function as measured by PROMIS-PF (p = 0.003) and SANE (p = 0.012). Self-reported hypermobility was not associated with distraction. Conclusion Beighton score was not associated with intraoperative hip distractibility. In contrast, increased distractibility was associated with structural hip morphology and worse preoperative symptoms, suggesting that hip-specific biomechanical factors better characterize native laxity in FAIS.
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Authors Ashley L Matter, Elisabeth Reinisch, Anish Singh, Randall Arroyo, Leah Henry, Marc Raymond Safran, Steve Aoki
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Journal Journal of hip preservation surgery
Year 2026
DOI
10.1093/jhps/hnag043.186
URL
https://doi.org/10.1093/jhps/hnag043.186
Keywords Keywords not found

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