Then inhale, opening and lifting the front of your body, including the chin: Bring the shoulders and pelvis back, creating an arch. As you exhale, begin the forward movement again. Continue alternately rounding and arching the back for six or seven repetitions.
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.