Popsugar Fitness Workouts 12 Days of Fit-mas Videos From Constantly Varied Gear Have a Merry Fit-mas With These 12 Days of Fit-mas Fitness Challenges December 21, 2021 by Jenny Sugar View On One Page Photo 2 of 9 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by Constantly Varied Gear™ (@constantly_varied_gear) Share This Link Copy ← Use Arrow Keys → 2 12 Days of Fit-mas Fitness Challenge: Day 2 Play the song "Firework," by Katy Perry and do these four exercises: 5 burpees 10 V-ups 5 pike push-ups 10 jump squats Previous Next Start Slideshow WorkoutsHoliday