Here are five effective workouts to boost your core rotational strength. Russian twists are a popular oblique-targeting ...

Sit on the floor with your knees bent in front of ... This is working the right side obliques. Repeat this 10 times on the right, then switch sides. Come into a plank position with your shoulders ...

Begin in a side plank position with your right elbow directly ... Lie on your back with your knees bent and your feet flat on ...

Side plank with dips Place one elbow directly under ... Half sit up Sit up straight with your knees bent and your feet placed on the ground directly in front of you. Slowly lower your upper ...