Trunk strength and lumbar paraspinal muscle activity during isometric exercise in chronic low-back pain patients and controls.

@article{Cassisi1993TrunkSA,
  title={Trunk strength and lumbar paraspinal muscle activity during isometric exercise in chronic low-back pain patients and controls.},
  author={Jeffrey E. Cassisi and Michael Edward Robinson and Patricia O'conner and M Macmillan},
  journal={Spine},
  year={1993},
  volume={18 2},
  pages={245-51}
}
The purpose of this study was to describe trunk strength and lumbar paraspinal muscle activity across five angles of flexion during isometric exercise and rest in chronic low-back pain patients and control subjects. High muscle tension as measured by surface integrated electromyography is predicted by a muscle spasm model, and low muscle tension is predicted by a muscle deficiency model. Prior lumbar surgery had no affect on peak torque or maximum surface integrated electromyography data. Both… CONTINUE READING

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