Table 1 Definition of non-specific thoracic spine pain [15]

- Midline back pain - for the purposes of this trial, the pain will be bound by the lateral margins of the thorax laterally and the trapezium superiorly

- Non dermatomal referred pain difficult to localise

- No signs of nerve root tension

- No major neurological deficit

- Pain with compression over the thoracic spine into spine extension

- Reduced range of motion