Here are 10 effective core exercises you can try, Highly recommended by MIKEFIT :

- Plank: Hold a straight-arm position with your body in a straight line for as long as you can.
- Bicycle Crunches: Lie on your back and alternate touching your elbow to the opposite knee while extending the other leg.
- Russian Twists: Sit on the floor and twist your torso from side to side while holding a weight or medicine ball.
- Mountain Climbers: Start in a plank position and alternate bringing your knees towards your chest.
- Leg Raises: Lie on your back and lift your legs straight up towards the ceiling, then lower them back down without touching the ground.
- Side Plank: Support your body weight on one forearm and the side of your foot, keeping your body straight.
- Dead Bug: Lie on your back and extend your arms and legs towards the ceiling, then lower opposite arm and leg while keeping your core engaged.
- Reverse Crunches: Lie on your back, bring your knees towards your chest, and lift your hips off the ground.
- Flutter Kicks: Lie on your back and alternate kicking your legs up and down while keeping them straight.
- Standing Oblique Crunches: Stand with your feet shoulder-width apart and bend to one side, bringing your elbow towards your hip, then switch sides.
Remember to always maintain proper form and start with a weight or intensity level that is suitable for your fitness level.