Painful swollen calf due to isolated rupture of popliteus.

@article{Bowditch1994PainfulSC,
  title={Painful swollen calf due to isolated rupture of popliteus.},
  author={M G Bowditch and Neil M. Kay},
  journal={Injury},
  year={1994},
  volume={25 3},
  pages={200-1}
}