Handlebar palsy – a compression syndrome of the deep terminal (motor) branch of the ulnar nerve in biking

@article{Capitani2002HandlebarP,
  title={Handlebar palsy – a compression syndrome of the deep terminal (motor) branch of the ulnar nerve in biking},
  author={Daniel Capitani and Serafin Beer},
  journal={Journal of Neurology},
  year={2002},
  volume={249},
  pages={1441-1445}
}
We describe 3 patients who developed a severe palsy of the intrinsic ulnar supplied hand muscles after bicycle riding. Clinically and electrophysiologically all showed an isolated lesion of the deep terminal motor branch of the ulnar nerve leaving the hypothenar muscle and the distal sensory branch intact. This type of lesion at the canal of Guyon is quite unusual, caused in the majority of cases by chronic external pressure over the ulnar palm. In earlier reports describing this lesion in… CONTINUE READING