Exercise in patients with acetabular retroversion and excessive anterior pelvic tilt: A feasibility and intervention study

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Background: Acetabular retroversion is associated with femoroacetabular impingement syndrome (FAIS). Anterior pelvic tilt enhances risk of FAIS. Objectives: To investigate feasibility and change in patient-reported symptoms of a home-based exercise intervention in patients with acetabular retroversion and excessive anterior pelvic tilt, in comparison with a prior control period. Design: Prospective intervention study. Methods: Patients (18–40 years) not eligible for surgery, with radiographic signs of acetabular retroversion and excessive anterior pelvic tilt were recruited. An 8-week control period was followed by an 8-week training period. The home-based intervention consisted of education and exercises for core stability, muscle strengthening and stretching for reducing anterior pelvic tilt. Feasibility assessments were dropout (≤10%), adherence (≥75% of sessions), exercise-related pain, and adverse events. Primary outcome was change in the Copenhagen Hip and Groin Outcome Score (HAGOS) pain-subscale. Pelvic tilt was measured by EOS scanning. Results: Forty-two patients (93% female, mean age 22.2 ± 4.2 years) were included. Dropout rate was 7% and satisfactory adherence was demonstrated by 85%. Exercise-related pain and adverse events were acceptable. Between-period mean change score for HAGOS-PAIN was 5.2 points (95% CI: −0.3–10.6) and −1.6° (95% CI: −3.9–0.7) of anterior pelvic tilt. Patients responding positively (≥10 points) (n = 10, 26%), had pre-exercise moderate pain (HAGOS-PAIN 47.5–70 points). Conclusions: Current exercise intervention was feasible. However, we found no clinically relevant changes in self-reported hip-related pain or anterior pelvic tilt. Post hoc responder analysis revealed that patients with moderate pain at baseline might benefit from this exercise.

OriginalsprogEngelsk
Artikelnummer102613
TidsskriftMusculoskeletal Science and Practice
Vol/bind61
ISSN2468-8630
DOI
StatusUdgivet - 2022
Eksternt udgivetJa

Bibliografisk note

Funding Information:
The authors wish to thank project nurse Annie Gam-Pedersen for coordinating the management of the study, and research assistant Peter Bo Jensen for helping with reentering all patient-reported outcomes.

Publisher Copyright:
© 2022 The Authors

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