Physical activity and disability measures in chronic non-specific low back pain: a study of responsiveness.
Priscila K MorelhãoMárcia R FrancoCrystian B OliveiraThalysi M HisamatsuPaulo H FerreiraLeonardo Op CostaChris G MaherRafael Zambelli PintoPublished in: Clinical rehabilitation (2018)
Disability measures were responsive after a course of physical therapy treatment in patients with CLBP. The lack of responsiveness in the physical activity measures might be due to the inability of these measures to detect change over time or the use of an intervention not designed to increase physical activity levels.