Compression of the ulnar nerve can be understood in terms of the anato
mic and dynamic factors. Although the ulnar nerve may be compressed at
any point along its course, it is particularly susceptible at the elb
ow and at the wrist Clinically relevant anatomy will be reviewed in an
attempt to provide the reader with a logical framework for successful
ly diagnosing and managing typical and atypical ulnar nerve compressio
n lesions.