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Back pain and isometric back muscle strength of workers in a Danish factory
285 cervical nerve roots in or about the in~ervertebral foramina before they divide into anterior and posterior primary rami. The other structures which may be involved also include the recurrent spinal meningeal nerve, the spinal branches of the vertebral arteries and their accompanying veins, and the nearby vertebral arteries themselves. S i x t y patients suffering from the cervical syndrome were treated with acupuncture: The t r e a t m e n t was performed three times at one-week intervals. No electric stimulators were used. According to the physician's evaluation, 68% of the patients displayed good primary results {complete cure or moderate improvement). According ~o postal inquiries made 6 months after the last treatment session, 33% of the patients still reported moderate improvement or complete cure. No improvement was reported by 10 patients. The results are in good agreement with those obtained with physical therapy or B-vitamin treatment, suggesting that the improvement might be associated with the natural course of the disease.
Back pain and isometric back muscle strength of workers in a Danish factory O.F. Pederson, R. Peterson and E.S. Staffeldt, Scand. J. rehab. Med., 7 (1975) 125--128 Factory workers were questioned about back pain and various parameters were examined for correlation with the pain. Out of 105 workers (38 females and 67 males) 60% of the females and 61% of the males have previously experienced episodes of back pain; 21% of the females and 37% of the males have been absent from work due to back paim. The incidence of back pain is not related to age, height, sort of work, or isometric mu~.cle strength of the back. For the males the incidence rises with increasing weight, i.e. combination of height and obesity, but is not related to any two single factors. For the females there is no correlation between the incidence of pain and weight. Isometric muscle strength of the back is co~elated to height and age in males but n o t in the females. Standards for isometric muscle strength of the back are presented and suggested as a guide to ev~duation of the working capabilities of individual subjects with back pain.
NEUROLOGY Medical modification of sensation C.J. Hodge and R.B.King, J. Neurosurg., 44 (1976) 21--28 The findings of Denny Brown and his associates on loss of sensation following cutting of nerve roots being affected by local inhibition in the sub-
Back pain and isometric back muscle strength of workers in a Danish factory O.F. Pederson, R. Peterson and E.S. Staffeldt, Scand. J. rehab. Med., 7 (1975) 125--128 Factory workers were questioned about back pain and various parameters were examined for correlation with the pain. Out of 105 workers (38 females and 67 males) 60% of the females and 61% of the males have previously experienced episodes of back pain; 21% of the females and 37% of the males have been absent from work due to back paim. The incidence of back pain is not related to age, height, sort of work, or isometric mu~.cle strength of the back. For the males the incidence rises with increasing weight, i.e. combination of height and obesity, but is not related to any two single factors. For the females there is no correlation between the incidence of pain and weight. Isometric muscle strength of the back is co~elated to height and age in males but n o t in the females. Standards for isometric muscle strength of the back are presented and suggested as a guide to ev~duation of the working capabilities of individual subjects with back pain.
NEUROLOGY Medical modification of sensation C.J. Hodge and R.B.King, J. Neurosurg., 44 (1976) 21--28 The findings of Denny Brown and his associates on loss of sensation following cutting of nerve roots being affected by local inhibition in the sub-