Also, I can't stress this enough: you'll learn a LOT about your form by filming it. Get a camera that you can control with your phone or have a friend film you. Do it on a treadmill at different speeds and watch the footage in slow motion. Compare your form to some of the many biomechanics-oriented videos available on youtube. I promise, it will be enlightening. No matter your level of experience or ability, you will benefit from the information you get. Improving technique is always a great endeavor. Best wishes!
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