Yes, there's an ideal amount of time to plank. But to max out your results, focus on your form as well as the length of time you hold the position. The six-pack you want is only a plank (or two) away! While the act of planking is pretty straightforward, how long you should actually hold one is probably a bit less clear. Thankfully, the experts have you covered. ( But before you can get abs, you need to stop believing these seven myths. ) How long you should hold a plank To reap the most rewards, holding three planks for up to 60 seconds each is ideal, according to Doug Sklar, a certified personal trainer and founder of PhilanthroFIT in New York City . If you’re new to planking, don’t risk injuring yourself. “It’s OK to start with shorter sets and work up to 60 seconds,” Sklar told Women’s Health . “Forcing yourself to hold a plank for an excessive amount of time can put a lot of strain on your lower back. As fatigue sets in, the lower back may st...