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KMID : 1146820180200020043
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Asian Journal of Kinesiology
2018 Volume.20 No. 2 p.43 ~ p.50
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Self-palpation Feedback for Abdominal Hollowing Exercise
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Kim Young-Kyun
Choi Min-Ra
Kim Seong-Jun
Lee Ki-Kwang
Kim Hye-Ree
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Abstract
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PURPOSE: The purpose of this study was to investigate abdominal muscles’ thickness change during abdominal hollowing with self-palpation feedback.
METHODS: Twenty six healthy males participated in this study. Subjects were instructed how to perform AHE on hook-lying position. Ultrasound images (transverse abdominis (TA), internal oblique (IO), external oblique (EO)) were measured during resting and AHE using self-palpation feedback or pressure biofeedback.
RESULTS: TA thickness increased significantly with both self-palpation feedback and pressure biofeedback groups (p<.05). In TA, the control group showed more increased thickness than the experimental group. However, there was no interaction between AHE and using pressure biofeedback in IO and EO. Also, all subjects's muscle thickness of IO were increased (p<.01) and EO were decreased (p<.05) significantly.
CONCLUSIONS: Self-palpation feedback during AHE is useful to perform AHE. Therefore self palpation feedback is a simple method to provide feedback when ultrasound and biofeedback equipment are no available.
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KEYWORD
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Abdominal hollowing exercise, Abdominis muscle, Low back pain, Pressure biofeedback, Self-palpation
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