Sit on a flat bench and place a pair of dumbbells on your legs. Throw them up using your legs and lie on the bench while holding the dumbbells over your shoulders(Palms facing down).
2. Push your heels to the ground and flex your abs to stay still.
3. Slowly lower the dumbbells by bending your elbows while keeping them at a 45 degree angle from your torso.
4. Pause briefly at the bottom and extend your elbows back to the starting position (Make sure to twist your wrists on the way up so that your palms are facing up at the top of the rep).