Russian Twist

1. Start by sitting on the floor, with your knees bent and feet flat on the ground.

2.Then lean back so your upper body is at a 45-degree angle to the floor. Keep your back straight.

3. Clasp your hands together in front of your chest, engage your core and raise your legs up off the ground a few inches.

4. Rotate your arms all the way over to one side, then do the same in the other direction.