<prompt> Klumpkes paralysis involves ?C5 C6C6 C7C7T1C8T1  <response>: ANSWER: D C8 T1REF: BDC 4th edition vol 1 Page 53KLUMPKES PARALYSIS:Site of injury: lower trunk of brachial plexusCause of injury: undue abduction of the armsNerve roots involved: mainly T1 partly C8Muscles paralyzed:Intrinsic muscles of the hand TlUlnar flexors of wrist and fingers C8Disability:Claw handHorners syndromeVasomotor changesTrophic changesCutaneous anesthesia on the ulnar border of hand and forearm 