<prompt> Root value of nerve supplying small muscles of hand -C5C6C3C4C8T1C6C7  <response>: Ans. is c i.e., C8Tl All small muscles of hand i.e. thener, hypothenar, interossei lumbricals are supplied by C8, T7 nerve roots.JointMovementSpinal segmentMovementSpinal segmentShoulderAbductionC5AdductionC6,7,8ElbowFlexionC5,6ExtensionC,7,8RadioulnarSupinationC6PronationC7WristExtensionC6FlexionC7FingersFlexion ExtensionC8AdductionAbductionT1 