If winter has you singing the blues because you have to set aside some of your workout routine due to the bad weather, don't look so glum. Here are some ideas for workouts you can do in the winter -- both indoors and outdoors. The main objective with any workout program is to increase your heart rate, which burns calories. Bearing that in mind, look for opportunities to increase your heart rate. Create a combination of exercises that target the area of your body you want to strengthen or tone. Throw a ...