Myoelectric activity in individual lumbar erector spinae muscles in sitting. A study with surface and wire electrodes.

@article{Andersson1974MyoelectricAI,
  title={Myoelectric activity in individual lumbar erector spinae muscles in sitting. A study with surface and wire electrodes.},
  author={Bj{\"o}rn Andersson and B. E. Jonsson and Roland Ortengren},
  journal={Scandinavian journal of rehabilitation medicine. Supplement},
  year={1974},
  volume={3},
  pages={91-108}
}