@misc{indiciae422bb9009630,
  title = {Flexibility development in sprinters using EMG biofeedback and relaxation training.},
  author = {M S Cummings and V E Wilson and E I Bird},
  year = {1984},
  doi = {10.1007/bf00998982},
  url = {https://pubmed.ncbi.nlm.nih.gov/6395907/},
  note = {Source identifier: 6395907}
}