A trusted brand since 2005

Strengthen your abs, back, legs, arms...
Strengthen You

The original 9-inch soft fitness ball, built for the slow, controlled effort that your workouts demand.

  • Support your body
  • take load off your joints
Rebuild strength through a full range of motion — at the gym, studio, clinic or on the living room floor.

25+ years in studios & clinicsUnder 6 ozRated to 300 lb
Why it works

A soft, unstable surface changes everything about a movement.

The ball gives the body something to push into, lie over, or squeeze — so movement stays gentle while the muscles keep working. That's why it shows up in the toolkits of some of the best physical therapists and Pilates instructors in the country.

Off-loads joints

Placed under a knee, hip, or lower back, the ball takes body weight off the joint so the surrounding muscle can do the work.

Full range of motion

Extension back as well as flexion forward — movement the floor simply doesn't allow.

Scalable resistance

Inflate less for a softer, easier start; add air as strength returns. One tool, an entire progression.

Feedback, not force

Squeeze it and you feel exactly which muscles switch on — built-in cueing for clients relearning a pattern.

Trusted since 2005
“For students of all levels and abilities, the Bender Ball is the best tool for protecting the back during exercise.”
Kelsey Gephart, M.S., CPT, NCPT
Pilates Instructor, Co-creator of the Ageless Training Academy
“I simply do not train clients without using the Bender Ball. I use it for correcting form, adding time under tension in focused muscle groups, and for supine gluteal work, I can't live without it.”
Irene McCormick, MS, ACE — IDEA Fitness Instructor of the Year
25 yrs
In studios, clubs and clinics
300 lb
Load rating
9 in
The original small ball
0
BPA and phthalates

Get back to playing — stronger than before.

One ball. Every stage of the comeback. Ships from Vista, California.

Bender Ball® is fitness equipment, not a medical device. Always follow the guidance of your surgeon or physical therapist when returning to activity.