Although it might seem difficult to take time to work out while you're surrounded by family, take advantage of having the whole gang around and plan some holiday-related exercise activities. For example, take your family on a walk though a park decked out in holiday lights and decorations. Or go on walk and sing carols through the neighborhood. Afterward, you could even reward you and yours with some coffee or hot chocolate. If you have a more adventurous crew, go sledding or skiing. You'll not only spend quality time with your family but also physically exert yourself during what could be a sedentary holiday gathering.