No matter which variations you follow, crunches have the advantage over sit-ups of being able to better target abdominal muscles. "Because the movement is smaller, you can control momentum more," ...

9. Do 3 sets of 10-15 repetitions. Bicycle crunches are effective by themselves to reduce belly fat, but you can mix it up a bit if you want to with variations of this ab exercise! 1. If you want ...

Lifting your head and shoulders to one side or the other or engaging in bicycle crunches by involving your legs will, too. These and other variations like ones involving free weights or resistance ...