How To Do Crunches
If you want to know how to do crunches, here they are, in all their glory. From regular crunches over an easier version for beginners to making this popular ab exercise more difficult.
If you want to know how to do crunches, here they are, in all their glory. From regular crunches over an easier version for beginners to making this popular ab exercise more difficult.
In the last years crunches became the preferred ab exercise instead of sit-ups. Here is why exactly you shouldn’t do sit-ups, especially if you are training for a six-pack.