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  1. Watch This Woman Set The World Record For Longest Plank - Women's Health

  2. Guinness World Record for longest plank time broken by 58-year-old woman

  3. Longest time in an abdominal plank position (female)

  4. What’s A Good Plank Time? Average Plank Times By Age And Sex

  5. Grandmother of 12 planks for 4.5 hours, breaks Guinness World …

  6. Grandmother Holds Plank for 4.5 Hours, Sets World Record

  7. 58-year-old grandmother of 12 breaks world planking record after ...

  8. How Long To Hold A Plank To See Results—And How To Do A Plank

  9. Pensioners, mothers and teens: History of the women’s plank

  10. Exactly How To Do a Plank: Technique, Mistakes, and Variations