Table 2 Interview guide

Can you please describe your experiences with the group exercise?

Can you please describe your negative experiences as well as your positive experiences?

Can you please describe what group exercise means to your everyday life?

Can you please describe a typical 1-h group exercise?

Can you please describe how do you experience yourself and others during the group exercises?

Can you please describe your motivation for participation in the group exercises?

Is there anything else you want to tell me, something you find important?

Follow-up questions: Could you please explain…? Could you tell me more about…?