Appendix 1. MEDLINE search strategy

1. Osteoarthritis, Hip/
2. Hip/
3. Hip Joint/
4. (hip adj4 (osteoarthr$ or arthritis or arthrosis)).tw.
5. (coxarth?r$ or cox arthrosis).tw.
6. malum coxae senilis.tw.
7. or/1‐6
8. Traction/
9. Musculoskeletal Manipulations/
10. Muscle Stretching Exercises/
11. (traction or mobili?ation or articulation or distraction or stretching).tw.
12. manipulation therap$.tw.
13. manipulative therap$.tw.
14. manual therap$.tw.
15. manual medicine.tw.
16. manual flexion.tw.
17. or/8‐16
18. 7 and 17
19. ((traction or mobili?ation or articulation or distraction or stretching) adj6 (hip? or cox??)).tw.
20. 18 or 19