New Stability Ball Exercises to Work Your Core
Is your stability ball rolling around your house, stuffed into a closet or gathering dust under your desk? It's time to take it out of hiding and start with some new basic exercises. Here are six of my favorites!
Andrea Metcalf demonstrates the single arm fly exercise.
Single Arm Fly
 Start with your shoulders and head supported on the ball and your hips raised. Inhale and extend your arms toward the ceiling.

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