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KMID : 1151220180240020051
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Journal of Korean Academy of Orthopedic Manual Therapy
2018 Volume.24 No. 2 p.51 ~ p.58
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Comparison of Multifidus Thickness Change During Contralateral Arm Lift(CAL) in Patients with Chronic Low Back Pain and Normal Adults
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Song Won-Bin
Kim Chi-Hyok
Jung Woong-Keun
Ha Ye-Ji
Han Seong-Gu
Hwangbo In
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Abstract
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Backdround: Using RUSI (Rehabilitation Ultra Sound Imiging) method, which showed high reliability in soft tissue measurements, we compared the muscle relax and contraction, sex, and physical characteristics of the activity of the multifidus muscle in patients with chronic low back pain and normal subjects.
Methods: In this study, 16 patients (male: 8, female: 8) with chronic low back pain and 16 healthy adult (male: 8, female: 8) were participated. Subjects lied prone posture on the table with elbow flexed 90° and shoulder abducted 120° (starting position). Test was applied two types that muscle relax position and muscle contraction position. Muscle relax position is equal to starting position and muscle contraction position is that upper extremity lift up about 5cm from the table. We measured the thickness of the multifidus muscle in each position by ultrasound.
Results: There was a statistically significant difference between the two groups in deviation of Both Side Difference of Activated resting-Arm Lifting Ratio according to posture change between the chronic low back pain patient group and the normal group.
Conclusion: The result of this study support previous study showing that there is an imbalance in the activity of multifidus in patients with chronic low back pain.
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KEYWORD
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Chronic low back pain, Healthy adult, Multifidus
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