If you want a fun low impact but still high intense workout and would like to mix walking with some full body weight training exercises then give this a try. It is a 25 minute workout with a 4 different circuits. Each circuit will challenge you with a specific exercise that you will do for 30 secs x 3 rounds all while engaging in a speed walking. This will help you burn more calories then just walking only and you will increase muscle tone & strength. Enjoy!