(1) Sit on the floor, feet together, lean forward, grab your feet with your hands and stretch. Don't bounce.
(2) Lay on the floor, knees bent, feet flat on the floor. Cross one leg over the other, pull towards your chest. Swap legs and do it again.
(3) Check out Sparkpeople's Core Exercises.
(4) Yoga Exercises are at Yoga Journal. They have a beginner's corner.
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