Isolated Lumbar Extensor Strengthening Versus Regular Physical Therapy in an Army Working Population With Nonacute Low Back Pain: A Randomized Controlled Trial Pieter H. Helmhout, MSc, Chris C. Harts, MSc, Wolfgang Viechtbauer, PhD, J. Bart Staal, PhD, Rob A. de Bie, PhD Archives of Physical Medicine and Rehabilitation Volume 89, Issue 9, Pages 1675-1685 (September 2008) DOI: 10.1016/j.apmr.2007.12.050 Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
Fig 1 Flow of participants through the trial. Archives of Physical Medicine and Rehabilitation 2008 89, 1675-1685DOI: (10.1016/j.apmr.2007.12.050) Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions
Fig 2 Means (with point-wisely constructed 95% confidence intervals) of the main outcomes over the course of the study. *RMDQ range, 0–24 (high score indicates greater disability). †PSFS range, 0–300 (high score indicates greater disability). ‡GPE range, 1–7 (high score indicates worsening of complaints). Archives of Physical Medicine and Rehabilitation 2008 89, 1675-1685DOI: (10.1016/j.apmr.2007.12.050) Copyright © 2008 American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation Terms and Conditions