Leg raises are a great bodyweight abs exercise for strengthening your deep core muscles, hips and obliques without weights. If you find that lifting or lowering your legs aggravates back pain ...

If leg raises are bad for your lower back, there are ways to fix them. Or, you could replace them with the double deadbug instead — a bodyweight abs exercise that helps strengthen your deep core ...

Calf raises are a simple way to work the lower backs of your legs. Plenty of sports, such as hiking, swimming, and tennis, can also give them a good workout. New to exercise or feel out of shape?

Getting visible abs is a goal for many men, and fitness companies cash in—pushing ... and a serious core routine with dynamic moves like hanging leg raises. For decades, crunches and sit-ups ...