Are crunches are better than sit ups?

Question

Are they better than sit ups and what is the correct way to do them I do crunches slowly when I come up and how fast will you see results.I do cardio workouts everyday like jogging for 20 minutes,jumping jacks and basket ball for 10 minutes to lower my body fat.

Do you have to feel pain so they work because I only feel a little.

Answer 1

sit ups build some serious muscle and they are not good for your back - you can easily injure yourself plus - its very hard to do them correctly.
crunches build lean muscle - dont help yourself with arms or head, fingers just slightly touching ears (to get arms off the way) and lift your shoulderblades off the floor looking at one point in the ceiling (dont let it out of sight), the only muscles that are working are your abs -do 15-25reps 2-4 sets 2-3 times a week.

Answer 2

The best exercise is crunches
The correct way to do them is to put your feet on a chair or the bench

Have your knee at 90 degrees, curl up, do not pull yourself up with your hands on your neck or head.

This isolates the abdominal muscles and does not allow the hip flexors to work, which is what happens with sit ups and straight knees.