What will happen if I do 100 situps a day?

A sit-up is actually the least effective abs exercise you can do. Doing 100 sit-ups a day will not change your body in the slightest.

Will 20 sit-ups a day tone my stomach?

The truth is, targeted fat loss — also known as spot reduction — is not possible, no matter how many crunches you do or products you buy. The only way you can lose fat from your belly is to lose fat from your entire body. Situps and crunches simply won’t do this for you, even though I’m sure you’ve heard otherwise.

How many sit-ups a day for a 6 pack?

As per Livestrong, three sets of sit-ups with 25 to 50 repetitions each should be good enough to carve out abs. One also needs to perform crunches thrice a week if combining weight training with cardio.

Is it OK to do sit-ups every day?

Sit-ups are an excellent exercise to build your body’s endurance and stability. Be sure to add them to your daily workout routine to reap the benefits.