History and Evolution of the Reflex Hammer.

This paper is a summary of the history and development of the reflex hammer, a crucial part of the neurologic examination. It goes through the evolution of the reflex hammer, beginning with the initial concepts of reflexes, and concludes with the most recent designs of reflex hammers that can record their own data to reduce error. The reflex hammer has undergone many changes through time to become the important medical tool that it is today.