What Happens When You Do 100 Sit-Ups A Day For 30 Days?

3 Guys Do 100 Sit Ups Every Day For 30 Days

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How many calories do you burn by doing Sit-Ups? - Online Calculator!

What Happens to your Body When You Do 100 Sit Ups Every Day for 30

Watch What 30 Days of 100 Situps Did to This Guy's Body

What Happens to your Body When You Do 100 Sit Ups Every Day for 30

BOXROX, Competitive Fitness Magazine

I did 30 sit-ups a day for a month — here's what happened

30 Day Fitness Challenge Results: Before & After

100 SIT UPS A DAY FOR 30 DAYS, HERES WHAT HAPPEND!