1. Effects of the Abdominal Drawing-In Maneuver on Muscle Activity, Pelvic Motions, and Knee Flexion During Active Prone Knee Flexion in Patients With Lumbar Extension Rotation Syndrome 
Kyue-Nam Park, MS, PT, Heon-Seock Cynn, PhD, PT, Oh-Yun Kwon, PhD, PT, Won-Hwee Lee, MS, PT, Sung-Min Ha, MS, PT, Su- Jung Kim, MS, PT, Jong-Hyuck Weon, PhD, PT 
Archives of Physical Medicine and Rehabilitation 
Volume 92, Issue 9, Pages (September 2011)
DOI: /j.apmr
Copyright © 2011 American Congress of Rehabilitation Medicine Terms and Conditions

2. Fig 1
(A) Pressure biofeedback unit, (B) prone knee flexion without ADIM and (C) with ADIM.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2011 American Congress of Rehabilitation Medicine Terms and Conditions

3. Fig 2
Electromyographic signal amplitude during prone knee flexion with and without performing the ADIM. Abbreviations: ES, erector spinae; H, hamstrings; sub-MVC, submaximal voluntary contraction. *Significantly different (P<.05).
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2011 American Congress of Rehabilitation Medicine Terms and Conditions

4. Fig 3
Angle of anterior pelvic tilt and pelvic rotation and knee flexion with and without performing the ADIM. *Significantly different (P<.05).
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2011 American Congress of Rehabilitation Medicine Terms and Conditions

5. Fig 4
Comparison of the movement onset of pelvic motions during knee flexion with and without ADIM conditions. (A) Knee flexion, (B) anterior pelvic tilt, (C) pelvic rotation. Vertical solid line indicates the onset time without ADIM, and vertical dotted line indicates the onset time with ADIM. *Significantly different (P<.05). Error bars represent the SD.
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2011 American Congress of Rehabilitation Medicine Terms and Conditions

6. Fig 5
VAS with and without performing the ADIM. *Significantly different (P<.05).
Archives of Physical Medicine and Rehabilitation  , DOI: ( /j.apmr )
Copyright © 2011 American Congress of Rehabilitation Medicine Terms and Conditions