Table 1 Content and time schedule of the Shoulder-Café and the Shoulder-Guidance

1st café meeting (T₀):

• Distribution of home-based exercise pamphlet, BandCizer©, Axivity accelerometers^a, diaries, andelastic bands

• Presentation of participants and networking with the group

• Supervised exercises with individual tailoring according to the exercise pamphlet

• Clinical evaluation of the participants’ shoulders

• Education about shoulder anatomy

1st intervention contact – individual appointment (T₀):

• Distribution of home-based exercise pamphlet, BandCizer©, Axivity accelerometers^a, diaries, and elastic bands

At home:

• Home-based exercises and exercise diary

At work:

• Shoulder exposure assessment and work diary

At home:

• Home-based exercises and exercise diary

At work:

• Shoulder exposure assessment and work diary

2nd café meeting (~ 1.5 month after T₀):

• Written feedback on the 1st exposure assessment

• Written general advice on reduction of occupational shoulder exposures

• Supervised exercises with individual tailoring according to the pamphlet

• Education about shoulder exposures

• Advice on work modifications and possibility to ask questions about the 1st exposure assessment

• Offer of a workplace visit to find ways to reduce the exposures

• Networking with the group

2nd intervention contact – postal letter or email (~ 1.5 months after T₀):

• Written feedback on the 1st exposure assessment

• Written general advice on reduction of occupational shoulder exposures

At home:

• Home-based exercises and exercise diary

At home:

• Home-based exercises and exercise diary

3rd café meeting (end of intervention ~ 3 months after T₀):

• Distribution^a of Axivity accelerometers and work diaries

• Supervised exercises with individual tailoring according to the pamphlet

• Networking with the group

3rd intervention contact – postal letter (end of intervention ~ 3 months after T₀):

• Distribution of Axivity accelerometers and work diaries

At work:

• Shoulder exposure assessment and work diary

At work:

• Shoulder exposure assessment and work diary

Postal letter or email:

• Written feedback on the exposure assessment

shortly after end of intervention

Postal letter or email:

• Written feedback on the exposure assessment shortly after end of intervention

6-month follow-up (~ 6 months after T₀):

• Electronic or postal questionnaire

6-month follow-up (~ 6 months after T₀):

• Electronic or postal questionnaire

12-month follow-up (~ 12 months after T₀):

• Electronic or postal questionnaire

12-month follow-up (~ 12 months after T₀):

• Electronic or postal questionnaire