Effects of and Exploring the Processes of Free Movement Dance as a Physical Therapy Intervention for Female Patients Diagnosed With Chronic Widespread Pain (Including Fibromyalgia).

Part 1. Effects of Free Movement Dance as a Physiotherapy Intervention for Female Patients Diagnosed With Chronic Widespread Pain Including (Fibromyalgia) - Prospective Randomised Controlled Trial. Part 2. Exploring the Processes of Free Movement Dance as a Physiotherapy Intervention for Female Patients Diagnosed With Chronic Widespread Pain (Including Fibromyalgia) Over Time - a Qualitative Study. Part 3. Exploring Withdrawal From Study Participation - a Qualitative Study

The study has three parts:

Part 1: To evaluate, for adult female patients diagnosed with chronic widespread pain (including fibromyalgia), the effects of Free Movement Dance as an add-on intervention after interdisciplinary pain management/rehabilitation at a specialist pain clinic versus modified person-centered progressive resistance exercise. The cognitive-behavioural conceptualization of pain, effects on pain intensity, physical function, self-efficacy, pain catastrophizing, health related quality of life, anxiety and depression symptoms and quality of sleep will be evaluated.

Part 2: To explore, for adult female patients diagnosed with chronic widespread pain (including fibromyalgia), the processes of Free Movement Dance, as an add-on intervention after interdisciplinary pain management/rehabilitation at a specialist pain clinic, to generate a substantive theory useful for clinical praxis.

Part 3: To explore and describe why participants who agreed and signed consent choose to withdraw from participating in the interventions of the study's part 1.

Inclusion Criteria:

• Female Patients Diagnosed With Chronic Widespread Pain (Including Fibromyalgia) participating in an interdisciplinary pain management and rehabilitation for three months on a specialist pain clinic in south-west of Sweden.
• Age over 18 years and to be able to read and write Swedish. -

Exclusion Criteria:

• Red flag disorders such as malignancy/cancer, acute traumas such as fracture (less than six months ago) or infection.
• Pregnancy, severe mental illness, and ongoing substance abuse.
• Yellow flags as issues with compensation system or unsolved insurance issues with insurance company or the Swedish Social Insurance Agency. -