the fitness guide

everyday flat ab challenge

everyday flat ab challenge:
-
✼ 20 crunches
✽ 10 sit-ups
✼ 50 second plank
✽ 30 crunches
✼ 30 second rest
✽ 15 sit-ups
✼ 40 second plank
✽ 30 crunches
✼ 20 reverse crunches
✽ 40 crunches
✼ 40 second plank
✽ 15 reverse crunches
✼ 25 crunches
✽ plank as long as you can