As the weather gets colder it becomes more difficult to get cardio in if your primary form of exercise involves the outdoors. For those people who walk, job, or cycle the drop in temperature, shorter days, and addition of rain to the forecast makes cardio a much more daunting task. Unless of course you have a simple workout you can do at home in your living room or bedroom. Another benefit of working out at home is you save time and avoid the numerous germs that always float around enclosed spaces full of people. Winterized Interval Training The key to any great interval training session is variety to keep the pace changing from high to low. This routine combines a bunch of exercises that you can do anywhere without equipment. This routine is designed as a circuit. Do the entire circuit without resting between exercises. Then rest 30 seconds before repeating the circuit another 2 to 4 times depending on your energy level. 1. 10 Burpees 2. 20 Jumping Jacks 3. 10 Total Body Ext...