Weighted Chair Bicycle Crunches
- Sit on the edge of a chair, knees lifted towards your chest.
- Hold a dumbbell in each hand at your chest.
- Engage your core by pulling your naval in towards your spine.
- Extend one leg while reaching the weights across your body towards the opposite knee.
- Return to the center position.
- Extend the other leg and reach the weights to the outside of the bent knee.
- Repeat this movement 10 times for each side.