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Journal of the Korean Academy of Rehabilitation Medicine 2001;25(4):684-691.
Atrophy of Multifidus Muscle on Low Back Pain Patients.
Bae, Ji Hye , Na, Jin Kyung , Yu, Ji Yun , Park, Yong Ok
Department of Rehabilitation Medicine, Seoul Veterans Hospital.
요통 환자의 다열근 위축에 대한 관찰
배지혜, 나진경, 유지연, 박영옥
서울보훈병원 재활의학과

To investigate the correlation of multifidus muscle atrophy on MRI findings with clinical findings in low back pain patients.

Medical records of 80 patients presenting with low back pain were retrospectively reviewed. Their MR images were visually analysed to know lumbar multifidus muscle atrophy, disc herniation, disc degeneration, spinal stenosis and nerve root compression.

Multifidus muscle atrophy increased from the upper lumbar level to the most caudal intervertebral level. It was bilateral in the majority of the cases. Multifidus muscle atrophy was well correlated with patient's age, referred leg pain, and disc degeneration. However, duration of low back pain, disc herniation, spinal stenosis, nerve root compression, sex, weight, height and BMI had no correlation with multifidus muscle atrophy.

Examination of multifidus muscle atrophy should be considered when assessing MR images of lumbar spine. It may help for further evaluation and planning the treatment modalities of low back pain.

Key Words: Low back pain, Lumbar multifidus, Magnetic resonance image, Muscular atrophy


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