Does Using a Chair Backrest or Reducing Seated Hip Flexion Influencen Trunk Muscle Activity and Discomfort? A Systematic Review

摘要

Objective: This paper systematically reviews the effect of chair backrests and reducing seated hip flexion on low back discomfort (LBD) and trunk muscle activation.n Background: Prolonged sitting commonly exacerbates low back pain (LBP). Several modifications to seated posture and chair design have been recommended, including using chairs with backrests and chairs that reduce hip flexion.n Method: Electronic databases were searched by two independent assessors. Part 1 of this review includes