As time goes on routines can become a little boring. Try spicing up your routine with a few of these additions!
http://www.fitday.com/fitness-articles/fitness/exercises/5-jump-roping-techniques-to-spice-up-your-exercise-routine.html
http://www.traineo.com/article-quick-ab-routine
http://exercise.about.com/cs/exerciseworkouts/l/blresistanceban.htm