Bicycle Crunches

1. - Lie on your back with hands behind your head and legs lifted, bent at 90 degrees.
2. - Extend one leg out while bringing the opposite elbow towards the bent knee.
3. - Switch sides, extending the opposite leg and bringing the other elbow towards the knee.
4. - Continue alternating sides for 15-20 reps per side.

Images are AI-generated and may not show exact form. Not medical advice; stop if anything hurts.