Evaluation of ergonomic and education interventions to reduce occupational sitting in office-based university workers: study protocol for a randomized controlled trial.

Background: Prolonged sitting is a specific occupational hazard in office workers. There is growing evidence that prolonged sitting is detrimental to metabolic health. The aim of this study is to determine whether providing office workers with education along with adjustable sit-stand workstations leads to reduction in sitting behavior.

Prognosis of chronic low back pain in patients presenting to a private community-based group exercise program.

Purpose: To examine the prognosis and prognostic factors for patients with chronic low back pain presenting to a private, community-based, group exercise program.

Methods: A total of 118 consecutive patients with chronic LBP were recruited. Baseline assessments included socio-demographic characteristics, back pain history and clinical examination findings.