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Table 2 Inclusion and exclusion criteria for the healthy group

From: Investigating differences in trunk muscle activity in non-specific chronic low back pain subgroups and no-low back pain controls during functional tasks: a case-control study

Inclusion criteria for the healthy group

Exclusion criteria for the healthy group

• Aged 18–65 years

• History of LBP or any lower limb pain in the last 2 years

• Any vestibular, visual or neurological dysfunction affecting balance

• Current pregnancy or breastfeeding

• History of spinal surgery, fracture or malignancy

• Previous LBP with symptoms radiating below the level of the buttocks

• Inability to complete the tasks required

• Inability to read written English language documents and follow verbal instructions in English