What is core strength training?
"Core" strength training is a program designed to improve the strength and flexibility of the muscles of the hips, abdomen, back, and middle and upper torso.

What does the "core" do for a runner?
The core serves as the foundation or anchoring point for the muscles that move the arms and legs for running.

How will core strength training improve my running?
Stronger and more stable "core" muscles will offer greater potential for increased strength in running. Increased strength and flexibility in the muscles of the "core" will allow runners to run faster with less effort and with less risk of injury.