Well its states that that persons power was to be a fighting machine with all knowledge of pressure points in the body. It what happens is she hits them as hard as she can during which the comic states it hurts but has no effect pretty much.
The question also arises that this was an Exemplar who is powered up by a magical means so her touch was also probably magical in nature.
Originally posted by The Fake Macoy
Well, this is Pre-crisis KK, so I honestly don't think that Juggernaut can win. I mean, KK has probably the single greatest Jobber-aura of anyone. Also, I think that pre-crisis Mon-el or Superboy are probably more dangerous than Juggernaut.