Appendix Table 1.

Search Strategies for Databases

Source	Search Terms
MEDLINE (589 results)	((((((((frozen shoulder) OR (Adhesive Capsulitis of the Shoulder)) OR (Bursitis[MeSH Terms])) OR (Capsulit∗)) OR (Shoulder Adhesive Capsulitis)) OR (Stiff shoulder)) OR (adhesive capsulitis)) OR (Frozen shoulder contracture syndrome)) OR (Frozen Shoulder[MeSH Terms]) AND ((((((((((((((((((((((psychosocial) OR (psychosocial factors)) OR (psychological)) OR (psychology[MeSH Terms])) OR (fear[MeSH Terms])) OR (avoid∗)) OR (avoidance behaviour)) OR (avoidance learning[MeSH Terms])) OR (Avoidance Behavior)) OR (Avoidance Behaviors)) OR (catastrophization[MeSH Terms])) OR (catastroph∗)) OR (Catastrophizing)) OR (Pain Catastrophizing)) OR (anxiety[MeSH Terms])) OR (hypervigilance)) OR (depression[MeSH Terms])) OR (depressive disorder[MeSH Terms])) OR (expectation[MeSH Terms])) OR (motivation[MeSH Terms])) OR (Expectations)) OR (Kinesiophobia)) OR (optimism)
Cochrane Library (CENTRAL database) (92 results)	(“Frozen shoulder” OR “Adhesive Capsulitis of the shoulder" OR "stiff shoulder" OR "frozen shoulder contracture syndrome" OR bursitis OR capsulitis OR “shoulder adhesive capsulitis” OR “adhesive capsulitis”) AND (psychosocial OR “psychosocial factors” OR psychological OR psychology OR fear OR avoiding OR avoid OR avoided OR “avoidance behaviour” OR “Avoidance Behavior” OR catastrophization OR Catastrophizing PR “Pain Catastrophizing” OR Anxiety OR hypervigilance depression OR “depressive disorder” OR expectation OR motivation OR Expectations OR Kinesiophobia OR optimism)
PEDro Database (90 results)	Title and abstract: “Frozen Shoulder”
PubPSYCH (4 results)	Title and abstract: “Frozen Shoulder”
PsychNET.APA (1 result)	Title and abstract: “Frozen Shoulder”