This is one very serious ab exercise, now for the faint of heart. This is one gut wrenching exercise.
They can help firm your thighs, glutes and core muscles all in one easy to do exercise. Start by only to 2 sets of about 10 reps and go from there. Before you know it you'll be doing 4 sets of 20 reps in no time.
This is a great exercise to get those obliques and lower abs.
This is a great exercise to isolate that gluteus maximus muscles in your butt. This exercises is a great way to sculpt your butt to that way you want it.
