Fit4Uformula - Exercises for a flat stomach that takes 10 minutes/day #1 Windshield wiper Lay down on the floor and aim your legs to the ceiling. Now start going side to side,
How to Do Lying Windshield Wiper: Muscles Worked & Proper Form – StrengthLog
Windshield wipers exercise: Tone your core with this ab workout
Windshield wipers exercise: Tone your core with this ab workout