The Study of Asymmetrical Contraction of the Lateral Abdominal Muscles in Stroke Patients Using Ultrasound Imaging (초음파 영상을 통한 뇌졸중 환자의 외측복부근 근수축의 비대칭성 연구)

박현주; Duck-Won Oh (오덕원); Shin Won Seob (신원섭)

The Study of Asymmetrical Contraction of the Lateral Abdominal Muscles in Stroke Patients Using Ultrasound Imaging

Journal of the Korean Society of Physical Medicine
Abbr : J Korean Soc Phys Med
2012, 7(3), pp.319-327
Publisher : The Korean Society of Physical Medicine
Research Area : Medicine and Pharmacy > Physical Therapy > Other physical therapy

박현주 ¹, Duck-Won Oh ², Shin Won Seob ¹

¹대전대학교
²청주대학교

Candidate

ABSTRACT

Purpose This study aimed to identify the asymmetry observed in the rehabilitative ultrasound imaging of lateral abdominal muscle thickness and performance between the affected and unaffected side during the abdominal drawing-in maneuver (ADIM), an exercise used to facilitate activation of selectively TrA to stabilize the trunk prior to limb movement. Methods The Participants were twenty one patients with post-stroke hemiplegia in this study. Ultrasound imaging was used to measure amount of changes in thickness of the external oblique (EO), internal oblique (IO), transversus abdominis (TrA). A Paired t-test was used to compare relaxed muscle thickness to contracted muscle thickness of all 3 muscles between the affected and unaffected sides. Results The outcome measures included side to side differences of absolute thickness, contraction ratio among the lateral abdominal muscles. There was no significantly difference in between the affected and unaffected side at rest. But, there was a significantly difference in absolute muscle thickness between the affected and unaffected side of only TrA muscle. Also contraction ratio was a significantly difference between the affected and unaffected TrA muscle. Conclusion These findings support the asymmetrical activation of TrA muscle during abdominal muscle contraction in patients with post-stroke hemiplegia. Further studies are warranted for confirming this outcome.

KEYWORDS

Stroke, Real-time ultrasound imaging, Asymmetrical contraction, Abdominal muscles

Citation status

* References for papers published after 2023 are currently being built.

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