Core Stability should always be used in everyday functional and balance training, along with cardiorespiratory exercise which are the first steps in inginition of the human body in becoming healthier. As weeks move forward and hopefully you see advancement, it's time to start thinking of working on muscular endurance resistance training that is such a transistiion from core stability exercises and utilizing body resistance to some very simple modalities, such as, resistance bands to light dumbbells that are very affordable that will help you work throughout the Kinetic Chain of the body and Planes of Motion for effciency of exercise.
Simple Basics: Start Right Here, Right Now...
Dr. Chris