3. High Plank Variations
Once you’ve mastered the high plank, try some variations: Lift one arm at a time, straight out, in line with your body, and hold for one count. You can do the same with alternating legs. Lift your right leg straight up and hold for half the count. Lower the right leg, get balanced then lift your left leg. You don’t have to lift the legs up very high to get the full effect of this exercise.