Happy Sunday, team! Today is Day 8 of F45's Fitmas challenge! 🎉 How many sit-ups can you do in 45 seconds? Take on the challenge and show us what you've got! Film yourself, post your results, tag F45_Training, and use the hashtag #F4512DaysOfFitmas. 📲 Join in the fun this holiday season and enjoy the 12 Days of Fitmas, F45 style! 💪 . . . #F45Training #F45 #F45Challenge #FitnessJourney