Amazing!! Upon arriving, I walked upstairs (instead of taking the elevator). My left knee was hurting as I walked up and after an hour session, I decided to test out my knee by walking up and down the stairs and it no longer hurt and ever since that day I have no longer had any type of problem with my knee as I climb up stairs. Truly amazing! Everybody MUST not pass up an experience like this. Thank you so much for bringing this to our Neighborhood. Truly life changing for me.