This 30-day challenge is designed to help you progress the amount of time you can hold a plank position, essentially by holding a standard plank for longer periods. But it also helps by ...

She tried to read motivational books about athletes ... down on the floor so if students wanted to plank with her, they could, she said. During the challenge, she looked up at the crowd quite ...

A plank challenge is something I’ve been keen for ever since I interviewed 82-year-old fitness influencer Erika Rischko, who told me she could hold a plank for 8 minutes and 40 seconds.

A plank challenge is something I’ve been keen for ever since I interviewed 82-year-old fitness influencer Erika Rischko, who told me she could hold a plank for 8 minutes and 40 seconds.