MICHAELKELLY

THE IMPORTANCE OF ARM ACTION DURING SPRINT-RUNNING
People think arms aren’t that big of a factor in how we sprint.
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Now, clearly the arms are much smaller than the legs, and of course, not in direct contact with the ground during running, so it’s easy to dismiss them as a factor in sprinting.
Why arms?
1 An athlete’s stride length isn’t nearly as trainable as their stride frequency.
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2 The hands control what the feet are doing when an athlete is in flight phase (both feet off the ground).
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3 The hands are an important factor in creating a better stride frequency, as well as in controlling the manner in which the foot strikes the ground to create a better impact.
In many cases, the arms, and the timing within, are a huge key to success in building the best possible athlete. The brain is often smarter than we are, and athletes exposed to a number of movements in youth often put together pretty good arm motions naturally.
When we do need to step in, rule #1 is to learn down-force, and beyond that, pronation and supination, as well as knowing “wide to narrow.” These can really make a difference in getting athletes to the next level.
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