Mary is being seen by you for physical therapy following a T…

Mary is being seen by you for physical therapy following a TBI.  During team conference, the O.T. mentions that Mary has problems with depth perception.  Your POC includes gait training on stairs.  Mary can ambulate on level surfaces independently and has 4+/5 strength in B LEs and no apraxia.  Which of the following would NOT be an appropriate strategy during gait training on stairs?