How To

How to Do Prone Planks with an Exercise Ball

Contributor

By Peter Boysen
eHow Contributing Writer

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Here's a great exercise for building core stability. You can even do it while you watch television!

Difficulty: Easy

Instructions

Step 1

Lean forward onto the exercise ball, with your forearms and elbows on the ball. Your feet should be hip-width apart, and you should be in a prone plank position.
Step 2

Contract your abdominal muscles, hold your hips in one place, and keep your body straight and elevated.
Step 3

Hold this position for 30 seconds to start. Repeat up to the point of failure. As you develop, gradually bring the holding time up to 1 minute. If it starts to get too easy, move your elbows closer together.