Wrinkle test
The wrinkle test is a test of peripheral nerve function. The fingers are placed in warm water for approximately 10–40 minutes. If the fingers do not wrinkle, this is a sign of denervation.
The wrinkle test is a test of peripheral nerve function. The fingers are placed in warm water for approximately 10–40 minutes. If the fingers do not wrinkle, this is a sign of denervation.