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The 300 Ultimate Ab and Core 30-day Challenge Workout (guide with pictures)... do this 15 minute ab workout every night before bed and you will see a difference in 30 days!

30-Day Summer Abs Challenge #fitness #abs #workout:
from Fitness Republic

30-Day Summer Abs Challenge

the 12 workouts of Christmas. new workouts daily to keep in shape and motivated. *days 7-8 have killer abs and glute bonus exercises

Only takes 4 minutes, but its the longest 4 mins of my life: Burns as many calories as a 40-60 minute run. Makes your body adapt and improve very quickly. Increases metabolism for up to the next 36 hrs. Takes only FOUR minutes, Developed by a Japanese Scientist. NO EXCUSES. 4 minute workout? May have to try it soon.

The hardest 8 minute arm exercise with trainer to the stars Tracy Anderson! She promises the "tiniest arms with great definition!"