Newton's 3rd law of physics states that for every action, there is an equal and opposite reaction. More specifically, when any object exerts a force upon another object, the second object exerts an equal force back. What does this have to do with exercise or martial arts? Well honestly... everything.

The Importance of a Stable Base in Exercise and Martial Arts

This is a principle that holds undeniable relevance in physical activity. Anytime a limb exerts force—whether you’re lifting, jumping, punching, or performing similar movements—the effectiveness of that force depends entirely on the stability and quality of the foundation beneath you. As the saying goes, "You can't fire a cannon from a canoe." Without a solid, stable base, energy is dispersed inefficiently, reducing the power and effectiveness of your movement. This concept is especially critical in exercises and martial arts, where a strong, stable foundation is key to proper performance, injury prevention, and maximizing efficiency. At the heart of this stability is the musculoskeletal system, particularly the core muscles, which play a central role in maintaining balance and distributing force throughout the body. Contrary to popular belief, the "core" is not limited to your abdominal muscles—it also includes the spinal erectors, pelvic floor, lats, obliques, glutes, psoas (a key hip flexor), and even the diaphragm. An excellent in depth explanation by Physiopedia can be found here.