Step 1: Start by laying face up on the floor with your knees bent, your feet flat on the floor, and your arms extended overhead and resting on the floor.

Crunch1LR

Step 2: Swing your arms up and forward in an arc over and past your head, using the momentum to raise your shoulders and torso off the floor. Keeping your back straight and your elbows extended, touch your wrists to the tops of your knees.

Crunch2LR

Step 3: Keeping your elbows extended, reverse the motion as you lower your torso and shoulders back to the floor, with arms extended overhead.

Crunch1LR

Modification 1: For an advanced swing up, butterfly your knees out to the side, allowing the bottoms of your feet to touch during entire movement. The rest of the movement remains the same.

SwingUpMod1

Modification 2: For a beginner swing up, touch your fingertips to the tops of your knees.

SwingUpMod2