At what point should you change the exercises in your workout routine (weeks, months etc)? ADVERTISEMENT 2.59K viewsMay 10, 2011 0 Gus0 May 10, 2011 0 Comments I'm currently on a 3-day split routine with cardio on the other days with 1 solid rest day. 21 Answers ActiveVotedNewestOldest 0 Miroslava0 Posted 0 Comments Hi,Gustavo! You may change Your routine every 2-3 months.With regards,Miroslava. You are viewing 1 out of 21 answers, click here to view all answers. Register or Login