rear wiper

I have an 03 trailblazer and since new I have had problems with the rear wiper not cleaning the window properly. The wiper misses the top half of the glass.....any suggestions?

Rebend the blade by hand. A little at a time.... Pretty common for pretty much any rear wiper system I've seen....Explorer's included

big problem with the rear wipers binding at the pivot on these, see if arm pulls away and springs back to glass, if not arm needs replaced