So it may be that those long extended planks your doing could be hurting your progress. “Unless you’re aiming to steal the crown from Glowacka (or Mao Weidong, who holds the men’s record with an 8 hour, 1 minute hold), you might be better off with short planks when it comes to increasing your core strength.” (Lauren Krouse)READ MORE:Instagram—an unexpected destination for some of the best abs workouts on the internet.
