Developing abs means strengthening them thru many different angles. You want to get some diagonals and twists into your workouts to be sure you are hitting the Transverse Abdominus and Obliques, in addition to the Rectus Femoris. Then adding in some resistance by using the cable machine is an added bonus!
So next time you’re at the gym, try out these 4 exercises!
[youtube]http://www.youtube.com/watch?v=BwWW3vCyvcs[/youtube]
