The use of Rehabilitative Ultrasound Imaging (RUSI) and sonofeedback in the assessment of the activity of transversus abdominis muscle
Journal Title: Fizjoterapia Polska - Year 2017, Vol 17, Issue 4
Abstract
Purpose. The purpose of the study was to evaluate thickness and symmetry of Transversus Abdominis muscle (TrA) during rest and activation with the use of Rehabilitative Ultrasound Imaging (RUSI) and the assessment of sonofeedback effectivness in learning and control of TrA activity. Material and methods. The study was conducted on 28 healthy subjects (17 women and i 11 men) aged 19-22 years (mean 21±1,08 years). The subjects undergone RUSI assessment considering thickness of TrA in rest and during contraction. Basing on results the Activation Ration and Percent of Muscle Change were calculated. Results. Mean thickness of TrA in rest was 3,19 mm among women and 4,37 mm among men. During controlled activity thickness of TrA increased by 69% on right side and by 64% on left side and respectively by 70% and 64% among men. The results showed a significant difference in TrA thickness between right and left side at rest and during contraction among men. During sonofeedback recorded thickness of TrA was significantly higher comparing to results without control of sonofeedback. TrA activity was lower in the group with low back pain and it was 64%, while in pain-free group the activity was 72%. Conclusions. 1. RUSI is an effective method to evaluate the morphology and activity of the Transversus Abdominis muscle at rest and during controlled activation; 2. The decrease in thickness and activity impairment of TrA is related to the occurrence of low back pain; 3. The use of sonofeedback enables significant improvement in activation and equalization of TrA asymmetry.
Authors and Affiliations
Katarzyna Michalak, Beata Czechowska, Tomasz Wolny, Sławomir Motylewski, Elżbieta Poziomska-Piątkowska
Keywords
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