Want to boost your energy and get your prebaby body back? Here are two DVDs for new moms: Postnatal Yoga stars renowned yoga instructor Shiva Rea, who offers movements to help new moms at various levels of physical ability regain strength and flexibility and "nourish your spirit" ($15, gaiam.com). Postnatal Power Tae Bo Workout features Shellie Blanks Cimarosti, daughter of Tae Bo creator Billy Blanks, who gave birth to her son just ten weeks before shooting this video. Included are moves to flatten a postbaby belly and tone muscles—in segments to mix and match, depending on your schedule and fitness level ($15, billyblanks.com).