What Causes Impaired Balance?

weakness on top side of arms, rubber band legs, Baiance, Falls a lot , If walking it s like first learning. Drs say Ct or Mri scan looks ok . Fell last Fall ( season) Hit Head on cement. Afew months later fell off second step of ladder Did not hit head that time Put Hip and Back out Chiropractor. Chiropractor has me Pretty well put back to gether. . M. S. does run in my Mothers side of Family , Girls only. LUPUS ALSO RUNS THRU. I.ve been check by Oncologist Not Lupus, Balance got worse slowly more then more..sometimes I felt like a switch would turn off real quick then back on. getting better have felt like I was just thrown back. not feeling that now. if up very long strength just leaves and I crumble to floor. E.R. says go to Neurologist