Core · Medicine Ball

Medicine Ball Leg Crunch

Squeeze the ball, crunch it in.

Medicine Ball Leg Crunch exercise demonstration
CoreMedicine Ball

How to do it

  1. Lie on your back and pin a medicine ball between your feet or ankles.
  2. Lift your legs and reach your arms overhead.
  3. Crunch your knees and chest toward each other, bringing hands and ball together.
  4. Extend back out under control without touching the floor.

The one cue that matters

Squeeze the ball the whole time so your legs stay locked around it.

Muscles worked

The Medicine Ball Leg Crunch isolates the Core — no passengers. That makes it a clean tool for adding targeted core volume without extra fatigue.

FAQ

What muscles does the Medicine Ball Leg Crunch work?

The Medicine Ball Leg Crunch primarily works the Core.

What if I can't do many reps yet?

Shorten the range or use an easier variation, and stop 1 to 2 reps before failure. Reps build fast when you train just shy of your limit.

How many sets and reps of Medicine Ball Leg Crunch?

For most lifters 3 to 4 working sets. Pick the rep range that fits your goal and progress the load when the top of the range feels owned.

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