Thanks for the information. I also developed a foot drop and equilibrium problems in my last tour.
It's not uncommon to have PTSD and panic attacks associated with Vestibular {Inner Ear} dysfunctions at the same time. Actually it would make sense too have both.
I'll get you some info via FR mail this evening that can explain it a lot better when I get back home. Yea my feet are both Club {which was from birth} and flat after my arches fell. Walking off balance will distort the feet and cause arthritis.