This yoga move helps ease lower back pain. Get down on your hands and knees, and arch your back into a U shape (the swayback of a cow); then do the reverse, rounding it to form a hump (the "cat"). Daily dose: One or two sets of ten.
To achieve true fitness, you need a strategy that includes cardio (aerobic) exercise, strength training, and "functional fitness" exercises. Here's how much of each type to aim for, depending on your goal.
Our December issue features Oprah's Favorite Things—as well as your chance to win them all! You'll also find our easy holiday declutter plan, Dr. Oz's guide to sleeping better (starting tonight) and the ultimate holiday menu.