Core · Beginner

Bicycle Crunch

Obliques · also Abs, Hip Flexors

Equipment: Mat

How to do it

• Lie on your back, hands lightly behind your head, elbows wide
• Lift your legs to tabletop with your knees bent 90°
• Curl up, lifting one shoulder blade off the floor
• Turn that shoulder toward the opposite knee as the other leg extends
• Return to center with control and switch sides

Common mistake

✕ ONLY THE ELBOW TWISTS → ✓ ROTATE RIBS, NOT JUST ELBOW

Starting point: 3 sets × 10–15 per side, 45s rest.

In the app: rotate the 3D model, slow it down and watch the mistake next to the correct form.

Cues checked against: acefitness.org.