Abstract
Within recent years clinicians and researchers have applied paraspinal EMG biofeedback procedures during static and dynamic movement retraining of chronic low back pain patients. Most of these applications make use of surface electromyography, an approach complicated by the fact that the erector spinae muscles are deeply situated. This descriptive study reveals that extraneous movements, such as neck flexion and pelvic rotation, can elicit profound activity from percutaneously placed EMG electrodes while little change is seen at the skin surface. The implications of these observations for the use of EMG feedback to remediate low back pain are discussed.
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This work was supported in part by Grant No. G008300041 from the National Institute on Disability and Rehabilitation Research, Department of Education, Washington, D.C.
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Wolf, S.L., Wolf, L.B. & Segal, R.L. The relationship of extraneous movements to lumbar paraspinal muscle activity: Implications for EMG biofeedback training applications to low back pain patients. Biofeedback and Self-Regulation 14, 63–74 (1989). https://doi.org/10.1007/BF00999341
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DOI: https://doi.org/10.1007/BF00999341