Core exercises
Learning Center
Age spots (liver spots)
Learn more about the harmless dark spots on your skin that tend to appear as you age, especially in areas exposed to the sun. Treatment is available.
Mammary duct ectasia
Mammary duct ectasia is a noncancerous breast condition that affects the milk ducts. Learn the signs and symptoms and when treatment might be needed.
Video: Fitness ball bridge with heel dig
Comfortable with the fitness ball bridge? See how to add a heel dig.
Video: How to choose a fitness ball
A fitness ball is versatile, but it's not one-size-fits-all. See your options.
Video: Squat and reach with fitness ball
You can do many exercises with a fitness ball. See the squat and reach.
Video: Abdominal crunch with fitness ball
You can do many core exercises with a fitness ball. See the abdominal crunch.
Video: Bridge with fitness ball
You can do many core exercises with a fitness ball. See the bridge.
Video: Plank with fitness ball
You can do many core exercises with a fitness ball. See the plank.
Video: Abdominal ball raise with fitness ball
You can do many exercises with a fitness ball. See the abdominal ball raise.
Video: Side exercise with fitness ball
You can do many core exercises with a fitness ball. See a side exercise.
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