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