in order to change somebody's gait you have to give them a lot of practice they've got a certain pattern that they have and they've had it for 20 years 40 years 60 years depending on how old they are and we've done gateway training across that age span you need to be able to give them feedback to begin with so that they start to learn okay this is right this is what i see that's right if it's visual feedback this is what it feels like now i know what's right then you have to start to fade the feedback so now they have to feel what's right without having it because they're not going to have it