Crunch (on Stability Ball)
How strong is your Crunch (on Stability Ball)? Compare your lift against population strength standards and estimate your 1RM.
Muscles worked
Open the strength calculator →Crunch (on Stability Ball) FAQ
How do I calculate my Crunch (on Stability 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 Crunch (on Stability Ball) falls into.
What equipment do I need for the Crunch (on Stability Ball)?
The Crunch (on Stability Ball) is a bodyweight exercise. You can log it and track your progress against strength standards in the free calculator.