Find an open space, preferably on a carpet or on a yoga mat. Assume a kneeling position across from your child. Place the palms of your hands on either side of your lower back with your fingers pointing toward the floor. On the inhale, slowly and carefully arch your back and gaze up at the ceiling or at the wall behind you, depending on your flexibility. Be sure that you continue to press your hips forward with your hands. Hold the pose for five deep inhales and exhales. Repeat two or three more times. If you feel that you are flexible enough, try to reach for your heels during this pose.
A word of caution: listen to your body and respect its limitations. This pose is great for opening the heart.