Evaluation of the effect of dry needling according to the FRS concept on gait parameters in patients with chronic low back pain: a prospective, randomised, double-blind clinical trial - Rajfur, Joanna; Rajfur, Katarzyna; Głąb, Grzegorz; Dolibog, Patrycja; Taradaj, Jakub (Medical Studies/Studia Medyczne, 2026)