Back Extension on Exercise Ball
How strong is your Back Extension on Exercise Ball? Compare your lift against population strength standards and estimate your 1RM.
Muscles worked
Open the strength calculator →Back Extension on Exercise Ball FAQ
How do I calculate my Back Extension on Exercise Ball one-rep max?
Enter the weight you lifted and how many reps you completed into the strength calculator. It estimates your one-rep max and shows which tier — from beginner to elite — your Back Extension on Exercise Ball falls into.
What equipment do I need for the Back Extension on Exercise Ball?
The Back Extension on Exercise Ball is a bodyweight exercise. You can log it and track your progress against strength standards in the free calculator.