Exercise Demo: Dumbbell Step Up To Knee Drive (chair)Posted October 5th, 2014 by Admin . Alternative Exercises Dumbbell Step Up, Barbell Step Up, Bodyweight Step Up 2 Comments Khristina Johnson says: January 17, 2021 at 10:09 amAlternate for a bad knee??? Log in to reply Nicole says: January 27, 2021 at 2:46 pmLower the step and see if that helps. This exercise is amazing for strengthening the muscles around your knees. So unless the doctor recommends not doing it, I would consider modifying it if you can 🙂 Log in to replyLeave a Reply Click here to cancel reply.You must be logged in to post a comment.