1. Reliability of Rehabilitative Ultrasound Imaging of the Transversus Abdominis and Lumbar Multifidus Muscles 
Shane L. Koppenhaver, MPT, Jeffrey J. Hebert, DC, Julie M. Fritz, PhD, PT, ATC, Eric C. Parent, PhD, PT, Deydre S. Teyhen, PhD, PT, John S. Magel, DSc, PT 
Archives of Physical Medicine and Rehabilitation 
Volume 90, Issue 1, Pages (January 2009)
DOI: /j.apmr
Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions

2. Fig 1
Ultrasound images of the TrA, internal oblique (IO), and external oblique (EO) muscles (A) during rest and (B) during an ADIM. Thickness measurements were made between the superficial and deep borders of the TrA muscle.
Archives of Physical Medicine and Rehabilitation  , 87-94DOI: ( /j.apmr )
Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions

3. Fig 2
Ultrasound images of the lumbar multifidus (LM) muscle (A) during rest and (B) during a contralateral arm raise. Thickness measurements were made between the posterior-most portion of the L4/5 facet joint and the plane between the muscle and subcutaneous tissue.
Archives of Physical Medicine and Rehabilitation  , 87-94DOI: ( /j.apmr )
Copyright © 2009 American Congress of Rehabilitation Medicine Terms and Conditions