Crunch (On Stability Ball) Alternative
12 substitute exercises that target the same muscles
Weighted Lying Twist
Hanging Toes to Bar
Exercise Ball Body Saw
Stability Ball Front Plank
Elbow to Knee Sit-Up
Weighted Russian Twist (Legs Up)
Seated Knee-Up Rotation Stretch
V Sit on Floor
Wipers (Straight Leg)
Russian Twist with Hands on Chest
Kettlebell Russian Twist
Sitting Lotus Pose Twisting Front Back Tap
Criteria used to find exercise alternatives
Same target muscles
We rank alternatives highest when their primary muscles exactly match. i.e: same target muscle, different movement.
Full muscle overlap
Secondary muscles and synergists are scored too, keeping the overall movement pattern close to the original lift.
Equipment considered
Equipment overlap nudges similar-kit options up the list. But we include different-equipment alternatives too so you're never stuck.
What the Crunch (On Stability Ball) trains
Primary Rectus Abdominis
Secondary Erector Spinae Iliopsoas Obliques