Pronator drip is a sign of
In medicine, pronator drift refers to a pathologic sign seen during a neurological examination. Jean Alexandre Barre is credited with having first described it; thus it is sometimes known as the Barre test or sign. A positive result indicates spasticity seen in UMN lesion of upper limb Ref Harrison20th edition pg 2345
UMN lesion of upper limb
LMN lesion
Dorsal syringomyelia
Carpel tunnel syndrome
C.N.S