A 61-year-old woman just held a plank for over 5 hours and broke her own world record in the process. [▻](https://video.twimg.com/amplify_video/21082169135788

A 61-year-old woman just held a plank for over 5 hours and broke her own world record in the process. [▻](https://video.twimg.com/amplify_video/2108216913578835968/vid/avc1/720x1280/hwKIWaKRYeZw3BXw.mp4) https://video.twimg.com/amplify_video/2108216913578835968/vid/avc1/720x1280/hwKIWaKRYeZw3BXw.m…