A fitness ball can be a great tool for toning your abdominal muscles (abs), as well as other core muscles.
Fitness balls — also known as stability balls — come in various sizes. Choose a fitness ball that allows your knees to be at a right angle when you sit on the ball with your feet flat on the floor.
To tone your abdominal muscles using a fitness ball, try the abdominal crunch:
- Sit on the fitness ball with your feet resting on the floor, about hip-width apart.
- Keeping your back straight, cross your arms on your chest and tighten your abdominal muscles.
- Lean back until you feel your abdominal muscles further tighten.
- Hold for three deep breaths.
- Return to the starting position and repeat.
Start with up to five repetitions, as long as you're able to maintain good form and technique. Over time, as you strengthen your abs and core muscles, gradually increase to 12 to 15 repetitions on the fitness ball. For most people, a single set of 12 to 15 repetitions can build strength and improve fitness as effectively as can multiple sets of the same exercise. Remember to breathe freely and deeply while using the fitness ball.
Aug. 01, 2019
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- Selecting and effectively using a stability ball. American College of Sports Medicine. https://www.acsm.org/read-research/resource-library. Accessed April 8, 2016.
- Aksen-Cengizhan P, et al. A comparison between core exercises with Theraband and Swiss ball in terms of core stabilization and balance performance. Isokinetics and Exercise Science. 2018;26:183.
- Saeterbakken AH, et al. The effects of performing integrated compared to isolated core exercises. PLoS One. 2019;14:e0212216.
- Ratamass NA. ACSM's Foundations of Strength Training and Conditioning. Philadelphia, Pa.: Wolters Kluwer Health Lippincott Williams & Wilkins; 2012.
- Haff GG, et al. Exercise technique for alternative modes and nontraditional implement training. In: Essentials of Strength Training and Conditioning. Champaign, Ill.: Human Kinetics; 2016.
- AskMayoExpert. Physical activity (adult). Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2019.