exercise ball

American  

noun

1. a firm, very large, usually inflatable ball used in various exercises, chiefly to strengthen the back, pelvis, and abdominal muscles.

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Etymology

Origin of exercise ball

First recorded in 1905–10

Example Sentences

Gottlieb coached until the final weeks before her due date, sometimes sitting on an exercise ball in the gym as the team went through drills.

From Los Angeles Times • Feb. 26, 2023

Balancing using a band and exercise ball doing pushups with a heavy chain around the neck isn’t for everyone.

From Seattle Times • Sep. 3, 2021

For his first handful of throws with bullpen catcher Octavio Martinez, Strasburg kept the exercise ball tucked between his armpit and side.

From Washington Post • Jul. 17, 2021

“The ball will give her the proper width between her body and the bed,” Mejia-Greene said as she showed the class how to transfer a client from a hospital bed to an exercise ball.

From Washington Times • Apr. 25, 2020

The more you play, the more exercises you’ll unlock so that you’re not stuck doing the same yoga pose every time you encounter an angry green exercise ball.

From The Verge • Oct. 17, 2019