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Watch This Woman Set The World Record For Longest Plank - Women's Health
Guinness World Record for longest plank time broken by 58-year-old woman
Longest time in an abdominal plank position (female)
What’s A Good Plank Time? Average Plank Times By Age And Sex
Grandmother of 12 planks for 4.5 hours, breaks Guinness World …
Grandmother Holds Plank for 4.5 Hours, Sets World Record
58-year-old grandmother of 12 breaks world planking record after ...
How Long To Hold A Plank To See Results—And How To Do A Plank
Pensioners, mothers and teens: History of the women’s plank …
Exactly How To Do a Plank: Technique, Mistakes, and Variations