<prompt> A lesion involving C8 nerve root will affect:Extensors of wrist and fingersFlexors of wrist and fingersSmall muscles of handSupinators  <response>: C8 nerve root supplies -1. Wrist and Finger flexors and2. Small muscles of hand Note: Small muscles of hand are supplied by C8; T1, More precisely T1. Supinators - C6 Wrist and Finger extensors--C67 Wrist and Finger flexors--C78 Intrinsic muscles of hand--C8; T1 