A strong core is one of the most important components of having a strong body. The core consists of muscles that wrap around and stabilize our spine, lower back and pelvis. Check out two types of Gravity Ball exercises that increase core strength.
If you're a runner, do you currently cross train? Cross training as defined by Runner’s World, as a combination of exercises from other disciplines, different than the sport the athlete normally practices. In the case of runners, cross training can include swimming, cycling and doing other types of fitness when they are not running.