What is live finger reaction?

Live finger reaction is a term used in medicine to refer to the involuntary movement of fingers in response to certain stimuli. It is commonly used as a diagnostic test to assess the neurological function of a patient, especially in cases where there is suspicion of nerve damage or neurological diseases.

The live finger reaction test involves tapping or stroking the fingers with a blunt object or a finger to stimulate the nerve endings. In a normal response, the fingers will respond with a quick twitch or movement that is visible to the naked eye. The speed and intensity of the movement are evaluated, and any abnormal or absent reactions are noted.

A live finger reaction test is a non-invasive and simple test that can be performed quickly in a clinical setting. It is commonly used in the evaluation of conditions such as carpal tunnel syndrome, nerve injuries, and neuropathy. However, it should not be relied upon as a sole diagnostic tool, and other tests and evaluations may be needed to confirm a diagnosis.