DonnaJean Wilde can plank for 4.5 hours. She built up to this over a decade, while juggling parenting, teaching, and studying for a master's degree. She started planking with her children as part ...

She planks while she’s checking her phone and emails, too. The 59-year-old from Alberta, Canada has mastered planking so much that she broke the women's Guinness World Record for the longest ...

Planking is a simple exercise that works your whole body, and it does a lot more than just help you build muscle. It ...