1. Comparing Biofeedback With Active Exercise and Passive Treatment for the Management of Work-Related Neck and Shoulder Pain: A Randomized Controlled Trial 
Chao Ma, PhD, MD, Grace P. Szeto, PhD, Tiebin Yan, PhD, MD, Shaoling Wu, PhD, MD, Caina Lin, BSc, Lijuan Li, BSc 
Archives of Physical Medicine and Rehabilitation 
Volume 92, Issue 6, Pages (June 2011)
DOI: /j.apmr
Copyright © 2011 American Congress of Rehabilitation Medicine Terms and Conditions

2. Fig 1
CONSORT flowchart showing participants' progression through the RCT.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2011 American Congress of Rehabilitation Medicine Terms and Conditions

3. Fig 2
Comparison of CES muscle activity preintervention and postintervention. Abbreviations: APDF, amplitude probability distribution function; LCES, left CES; RCES, right CES. *Significant differences (P<.05) in paired t tests that compared preintervention and postintervention EMG for each muscle.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2011 American Congress of Rehabilitation Medicine Terms and Conditions

4. Fig 3
Comparison of UT muscle activity preintervention and postintervention. No significant differences were found in paired t tests comparing preintervention and postintervention EMG of each muscle. Abbreviations: LUT, left UT; RUT, right UT.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2011 American Congress of Rehabilitation Medicine Terms and Conditions