Anatomy General d62823e3 False about Klumpke's paralysis? A Involves lower trunk of brachial plexus B Due to undue abduction of shoulder C Can cause Horner's syndrome D Biceps brachii is paralysed High-Yield Explanation In Klumpke's paralysis, injury to lower trunk of brachial plexus due to undue abduction of shoulder.It can cause Horner's syndrome,Biceps is not paralysed.