How to Do an alphabet plank for a runner's workout

Users will need an exercise ball to perform this exercise. Begin by going on your knees and elbows on the ball. Users basically go into a plank position in the ball. Now users will need to go into a straight position from the shoulders to the knees. Now users will draw the alphabet using their elbows, while rolling the ball. To make the exercise more challenging, users may choose to lift one or both knees off the ground while doing the exercise. This video will benefit those viewers who want to find an exercise that will strengthen core muscles, build abdominal muscles and lose stomach fat.