8 Standing Ab Exercises for a Strong and Stable Core

Standing Oblique Crunches: Stand with your feet shoulder-width apart and hands behind your head.

Wood Choppers: Hold a dumbbell or medicine ball with both hands. Start with the weight above one shoulder, then twist your torso and bring the weight down

Standing Bicycle Crunches: Stand with your feet hip-width apart and hands behind your head. Bring one knee up towards the opposite elbow while twisting your torso

Standing Side Crunches: Stand with your feet hip-width apart and hands behind your head. Lift one leg to the side while bringing the same-side elbow down towards it, engaging your obliques. Repeat on the other side.

Standing Leg Raises: Stand with your feet together and hands by your sides. Lift one leg straight out to the side while keeping it straight, then lower it back down. Repeat on the other side.

Standing Knee Raises with Twist: Stand with your feet hip-width apart and hands clasped together in front of your chest. 

Standing Side Bends: Hold a dumbbell in one hand, with your arm down by your side. Slowly lean to the side opposite to the weight, keeping your core engaged.

Standing Plank: Stand with your feet hip-width apart and hands clasped together in front of your chest. Lean forward slightly, keeping your back straight and core engaged, as if you were about to do a standing push-up.