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  • Title: EMG biofeedback used to reduce standing levels of paraspinal muscle tension in chronic low back pain.
    Author: Nouwen A.
    Journal: Pain; 1983 Dec; 17(4):353-360. PubMed ID: 6229707.
    Abstract:
    Twenty chronic low back pain (LBP) patients with relatively high standing paraspinal EMG levels (greater than 5 microV) were randomly assigned to 2 groups. One group (N = 10) received EMG biofeedback training to reduce standing paraspinal EMG levels, the other group (N = 10) served as a waiting list control group. Changes in perceived pain (duration X intensity) and paraspinal EMG in standing position were measured at a 3 week pretreatment baseline, during the 3 week treatment period, and at a 3 week post-treatment baseline. Compared to patients in the waiting list control group, those who received EMG biofeedback showed a significant decrease in standing paraspinal EMG from pretreatment to post-treatment baseline. However, no significant differences in reported pain were found during these periods. It is concluded that reduction of standing paraspinal EMG does not lead to reduction in pain.
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