If you feel you might be too old to exercise by the way – I hope you’ll watch these awe- inspiring women with the average age of 80 commit to moving daily, period.
What is the Core, and Why Should You Care?
Core exercises are essential to train the muscles in your pelvis, lower back, hips and abdomen; and to get everything to work in harmony. This leads to better balance and stability, whether on the playing field or in daily activities. In fact, most sports and other physical activities depend on stable core muscles.
Here is an article from the Mayo Clinic about the core: