A new cardio idea

Last week I blogged about keeping my cardio workouts interesting by switching up the machine.  Today's blog is about a new idea to keep cardio interesting and intense!  This morning I ran on the treadmill while holding a 4 pound medicine ball.  It did make the workout a little harder, but what I liked best about it was it took my mind off the cardio workout itself and onto how many different ways could I hold this ball?  As you can imagine, it gets heavy in any given position so I kept finding new ways to hold it.  I put it over my  head, in one arm on either hip, in front of me, or I got fancy with it and passed it between my hands and around my waist.  It honestly made the time fly by and afterwards I felt a great sense of accomplishment.  Check it out and let me know what you think.