A bad workout program performed with consistency and proper progression can still produce results. No matter what workout you choose to follow, give it enough time to work. At least six weeks is necessary for the adaptation process to become noticeable. The main role of your abs is to keep your spine straight and to prevent you from getting into compromised positions. 99 Muscle Building Facts - Core Strength in Action Training unilaterally (one side of the body at a time) can prevent injury and increase athleticism.