Popsugar Health & Fitness Christmas Elf on the Shelf Fitness Ideas These Elves on the Shelf Aren't Into Mischief — They're Into FITNESS! 6 December 2019 by Jenny Sugar View On One Page Photo 13 of 37 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 13 A little TRX for this little elf. Previous Next Start Slideshow ChristmasElf On The ShelfHealthy LivingHoliday