Muscles used in this exercise

Your core, abdominal, hip, and back muscles are working eccentrically to control your movement, and your shoulder muscles are activated to keep you balanced on the ball.

Purpose

This is a higher-level exercise to work on your core control. Your ability to complete this exercise acts as a hallmark of good strength to the core, back, and hip.

To do this exercise

• Start in a kneeling position with your arms resting on a ball.

• Lean forward by straightening through your hips.

• Make sure you maintain a neutral spine as you slide forward on the ball.