10 Best Exercises For Killer Abs

4. Russian Twist

If you don’t have all the equipment needed for some exercises, the Russian twist is an ideal exercise to do at home. This exercise is not only easy to master, but it also works your entire core, including your abs, obliques, and even your glutes. Start with 3 sets of 15 repetitions and gradually work your way up to 3 sets of 25 repetitions.