Holding the standard plank for ten seconds or longer is useless according to Dr. Stuart McGill. Unfortunately, many people still try to do planks for time.
A better way to progress this core exercise? Make it harder. The cable plank press will help you take your core strength to the next level, and you'll even build some extra upper-body muscle.
Sure, the big 3 lifts are great, but experienced lifters need to stop chasing numbers for a while and fix their weak links. Here's why and how to do it.