Word: stride
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Dates: during 2000-2009
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...believed to have originated. Yet the extremists operating from Yemen present the military with precious view good "aim points." In the old days, the enemy had airfields, early-warning radars, ammo depots - even big defense and intelligence headquarters - that could be destroyed from the air. A general could stride manfully out to the Pentagon podium, wave his pointer like a magic wand at a map where little explosion drawings had been inked, and gleefully tally up the destruction. (Read "The Lessons of Flight...
...second study in the same journal, researchers at Iowa State University used computer modeling to figure out how the length of a runner's stride might change the force applied to his or her bones and thereby affect the risk of stress fractures. Researchers recruited 10 male participants, each of whom typically ran about three miles per day, and calculated their risk of experiencing a stress fracture - about 9% over 100 days. By observing the participants running at varying stride lengths and recording the amount of force their foot strikes exerted on the ground, researchers were able to estimate...
...time, researchers say - the less time a runner's feet spend airborne, the less force they strike the ground with. Still, the results of a mathematical model are difficult to re-create in real life, especially since it takes a fair amount of practice to adjust to a shortened stride. Runners who abbreviate their stride try instinctively to quicken their pace to compensate. That can negate any protective effect of stride shortening - when you speed up, the force on the bone increases proportionately...
Study author Brent Edwards, now at the University of Illinois in Chicago, says he "would never recommend stride reduction to a competitive runner," but he suggests the technique for people with a history of stress fractures, like former athletes. The biggest risk factor for stress fractures, he notes, is simply having had such a fracture in the past. But the best advice for runners wishing to reduce injuries is to keep running; that is, run consistently and avoid long periods of inactivity. That may be especially hard during the snowy winter months, but runners should...
Still, as the Crimson women have often done this season, the team took the difficulties in stride, with freshman Sammy Silva and Olson leading...