Table 1.

Inclusion and exclusion criteria

Inclusion criteria	Exclusion criteria
• SC present at rest or elicited by movement	• Prior fractures and/or surgery of the shoulder
• SC episode lasting no longer than 3 months	• (Suspected) referred pain from internal organs
• First episode of SC for 12 months	• SCs with a confirmed extrinsic cause
• Newly presented episode (no prior consultations or treatments for this episode in the previous three months)	• Inability to complete a questionnaire independently
• Older than 18 years	• Presence of dementia or other severe psychiatric abnormalities
• Living in the south of the Netherlands