Rotary subluxation of the scaphoid: a spectrum of instability.

@article{Watson1993RotarySO,
  title={Rotary subluxation of the scaphoid: a spectrum of instability.},
  author={Harry K. Watson and L. Ottoni and Ella Pitts and A G Handal},
  journal={Journal of hand surgery},
  year={1993},
  volume={18 1},
  pages={62-4}
}
Rotary subluxation of the scaphoid is not an "all or nothing" phenomenon, but a spectrum of instability including constant displacement of the scaphoid apparent on plain non-stress radiographs (the previously defined static type), subluxation seen only on loading X-rays or other special studies ("dynamic"), and instability demonstrable on physical examination but not by radiographic studies ("predynamic"). A clinical study of 1,000 random individuals was carried out to determine the incidence… CONTINUE READING