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Performing Dynamic Stretches. 1  1. Choose a place to do dynamic stretches that is at least 10 yards (9.1 m) in length. Wear athletic shoes and flexible clothing. 2  2. Do high kicks. Reach your right arm straight out in front of you, parallel with the ground. 3  3. Do back kicks. Place a sturdy chair before you.  4. Run in place with high knees.
To run well, great ankle joint extension is necessary, as this increases the power of your pushoff. The more you can extend, the better. During running, keep the knee slightly bent in the pushoff leg to maximize horizontal force. A perfectly straight leg results in more of a leap and is a waste of force.