Back Pain - Linking Phenotype to Pain Mechanism and Outcome.

Back Pain - Linking Phenotype to Pain Mechanism and Outcome.

To investigate whether different clinical, psychophysical and neurophysiological phenotypes can be identified among low back pain patients

Low back pain patients will fill in a detailed questionnaire (incl. pain drawing) about their pain. Some of them will undergo a standardized quantitative sensory testing protocol and an fMRI procedure.

Inclusion Criteria:

-primary complaint: low back pain clinically not attributable to red flags

Exclusion Criteria:

• any major medical or psychiatric condition that affects pain sensitivity
• contraindications to MRI