@article{jim hackney1993between,
  title={Relationship Between Forward Head Posture and Diagnosed Internal Derangement of the Temporomandibular Joint},
  author={jim hackney,daniel bade,ann clawson},
  journal={Journal of Oral & Facial Pain and Headache},
  volume={7},
  number={4},
  pages={386--390},
  doi = {10.11607/jofph.07386},
  year={1993}
}