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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