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ISSN : 2092-8475(Print)
ISSN : (Online)
Journal of International Academy of Physical Therapy Research Vol.9 No.1 pp.1420-1425

Effect of Cervical Spinal Decompression on the Cervical Muscle Tone and Disc Height in Patients with Cervical Intervertebral Disc Herniation

Jeong il Kanga,Dae Keun Jeonga,Hyun Choib
aSehan University, Mokpo, bMokpo Mirae Hospital, Mokpo, Korea
Address for correspondence Hyun Choi, PT, PhD Department of Physical Therapy, Mokpo Mirae Hospital, 351 Seokhyeon-dong, Mokpo-si, Jeonnam, 530-828, Republic of Korea TEL: +82-61-800-1165


The purpose of this study was to investigate the effect of traction and decompression therapies on the cervical muscle tone and disc height. The decompression group (n=16) received decompression therapy and Mckenzie exercises once a day and four times a week respectively, for three weeks. The traction group (n=15) also received traction therapy and Mckenzie exercises for the same period. Muscle tone was measured with a myotonometer, and the disk height was measured using magnetic resonance imaging (MRI), before the interventions. Three weeks later, we investigated the therapeutic effect by repeating these measurements. The difference in disk height between the two groups was not significant. There was a significant difference in the disk herniation index (p<.05). A significant difference was found only in the upper trapezius muscle after comparison of muscle tone and stiffness between the groups (p<.05). Findings from this study suggest that the decompression therapy is a more effective intervention for patients with cervical intervertebral disc herniation.