Jon and Amy Bruney of Fremont achieved the Guinness World Record for the most consecutive jumps on a bed of nails over a person. Jon laid on his back with a board of sharp nails placed on his chest, while his wife, Amy, jumped rope on top of it. The number of jumps to achieve the record was 70. Amy smashed the record by jumping 117 times, according to the couple. The record took place on the set of "Guinness World Records Unleashed" in Los Angeles. The record aired on Thursday’s episode of the show on truTV.