3. Improves Overall Balance
If your abdominal muscles are not strong enough the overall balance of your body will not be even. You can try and check by standing on one foot and if you have a tough time keeping straight it is not because you are drunk but because your body is not well balanced. By doing planks regularly you will strengthen your abdominal muscles and thus it will help you body to find its center. Also, you can try doing side planks and planks with extensions to boost your sporting performance.