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Core

Bicycle Crunch

Beginner

A dynamic crunch variation that works the entire ab region through rotation.

Target muscles

Abs, Obliques

Calories burned

~7 kcal / set

Secondary muscles

Hip Flexors

Equipment

Bodyweight

Goal

Weight Loss, General Fitness

Sets / Reps

3 × 20-30

Benefits

  • Works the entire ab region in one movement
  • Elevates heart rate for a light cardio effect

Step by step

  1. 1Lie on your back with hands lightly behind your head.
  2. 2Bring one knee toward your chest while rotating your opposite elbow to meet it.
  3. 3Extend the other leg out straight.
  4. 4Alternate sides in a pedaling motion.

Breathing guide

Exhale as you crunch toward each knee.

Common mistakes

  • Pulling on the neck with your hands
  • Moving too fast with sloppy form

Safety tips

  • Focus on rotating your torso, not just your elbows.
  • Keep the movement controlled rather than rushed.

Variations

  • Slow bicycle crunch
  • Standing bicycle crunch