A fitness expert has revealed how long you should be able to hold a plank for, based on your age. A plank exercise is when ...

According to Guinness World Records, the “longest time in an abdominal plank position” is eight hours, 15 minutes and 15 seconds and was completed by former Marine George Hood in Naperville, Illinois ...

There are various things that can denote your fitness level and whether it is where it needs to be. Now, a fitness expert ...

According to a fitness expert at Lifetime in New York City, how long you should be able to hold a plank for varies given how ...