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My friend Martin Strauss of Ann Arbor, Mich., was running 60 miles a week when he suffered a stress fracture that put him on crutches for three months. Now that hes better, he wants to play it safe to avoid another injury. But whats the best way to do that? How quickly can he ramp up the miles?
The injury problem is huge, said Dr. Diercks, head of the sports medicine program at the university as many as 40 percent of runners are injured, usually to their feet, ankles, knees or legs. At his universitys running clinics, 30 to 40 percent of beginning runners gave up because of injuries.
That made me wonder, Where did this rule come from?
(Within limits, of course; if you started at 30 minutes a day and kept increasing 10 percent a week, after 41 weeks youd be running 24 hours a day.)
Martin decided to follow the 10 percent rule, one of the most widely known in running. It does not specify a starting distance but says you should increase your mileage no more than 10 percent a week. The idea is that this is a safe way to increase your distance without risking injury.
Although there are many training programs for beginning runners, http://www.sachermesfrance.com/ , none are based on good scientific evidence, Dr. Diercks said. He and his colleagues decided to conduct such a study.
The conditioning program had no effect. Once again, about 1 in 5 runners in both groups wound up with injuries.
The researchers are at a loss. Most people who take up running, Dr. Diercks says, think it will be easy all they need is a pair of shoes. But in fact, running is a difficult sport, (...) , and most people quit before it becomes fun, often because they are injured. Experienced runners know how to adjust and return to the sport. Novices usually do not, he says.
And the results? The two groups had the same injury rate about 1 in 5 runners.
Half the participants were assigned to a training program that increased their running time by 10 percent a week over 11 weeks, ending at 90 minutes a week. The others had an eight-week program that ended at 95 minutes a week. Everyone warmed up before each run by walking for five minutes. And everyone ran just three days a week.
Martins first run was on March 15. He ran half a mile, on a treadmill. Over the next five weeks, he increased his distance to ten miles a week, then began using the ten percent rule. Last week he ran 22 miles, including a long run of 10 miles. He calculates that it will take him a total of 18 weeks from when he started his program to get back to running 60 miles a week.
They investigated the 10 percent rule because it is so popular and seemed to make sense with its gradual increase in effort. The study involved 532 novice runners whose average age was 40 and who wanted to train for a four-mile race held every year in the small town of Groningen.
It might be more correct to say "almost undocumented." There is at least one large and rigorous study of the 10 percent rule, the sort of study that is a rarity in exercise science. Conducted by Dr. Ida Buist, Dr. Steef W. Bredeweg, (...) , Dr. Ron L. Diercks and their colleagues at the University of Groningen in the Netherlands, its one of a continuing series of studies on how to prevent running injuries.
Maybe, the investigators thought, (...) , they might prevent injuries with a conditioning program before the training started. So they did another clinical trial, randomly assigning one group of novice runners to a four-week program of walking, hopping and jumping rope before starting the running program. The others started right in with running.
And that is the way it often goes in exercise science. People "hear something, they read something," he said, "and then its like a religion."
For now, though, the lesson is that running lore often is just that. And the 10 percent rule is a case in point.
Carl Foster, director of the Human Performance Laboratory at the University of Wisconsin in La Crosse, said its origin "is lost in history," and added, "Whether it is right is undocumented."
I, like most runners, have heard of the rule and, like most, tried it once. But, like many, I did not stay with it. Another friend, Rafael Escandon of Philadelphia, tried it years ago when he was training for his first marathon. It was the slowest marathon he ever ran, slower even than one when he tore his calf muscle at mile 17 and somehow forced himself to finish the race, limping for the last 9 miles. Cliff Rosen, a distance runner in Maine, said he tried it once but "it didnt seem to work."
Now the Groningen group wants to do a large and rigorous study of barefoot running, comparing it to running with shoes another study that has never been done.
"Nobody found out if it works or what is the basis of it," Dr. Diercks said.
He said he was aware of the allegations made against him in the 1990s but called them "baseless" and denied he sexually harassed anyone. He said he had no knowledge of whether the association provided any such settlements, and he declined to address specifics of the accusations or the resolution.
With the first-in-the-nation Iowa caucus less than three months away, the harassment allegations and Cain's response to them have the potential to reshuffle the GOP race.
It was view that echoed loudly across talk radio and the Internet as conservative pundits weighed in.
Still, for some the desire to oust Obama could trump most anything else.
"It is deeply insulting that this is being called political," Matson said. "Sexual harassment allegations are always about a woman who is simply trying to go to work."
___
"I think the left is totally and completely terrified of a conservative black man coming to power and prominence," said Debbie Dooley, http://www.sacstlouisvuittonfr.com , a leader of Atlanta Tea Party Patriots. "They are trying to do the same thing to him that they did with Clarence Thomas."
The report was based on anonymous sources and, in one case, (...) , what the publication said was a review of documentation that described the allegations and the resolution. Politico said Cain spokesman J.D. Gordon told their publication that Cain himself had indicated to campaign officials that he was "vaguely familiar" with the charges and that the restaurant association's general counsel had resolved the matter.
Sonia Conte, a 73-year-old retired accountant from Akron, Ohio, said the allegations about Cain don't change her opinion of him: She is concerned that he has little governing experience and prefers former Massachusetts Gov. Mitt Romney.
The allegations against Cain came to light Sunday night. Politico reported that at least two women who complained about sexually inappropriate behavior while working for Cain at the National Restaurant Association had signed agreements with the restaurant group that gave them five-figure financial payouts to leave the association and barred them from discussing their departures. Neither woman was identified.
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Erin Matson, a vice president for the National Organization for Women, said the women in question should be given the benefit of the doubt.
Radio show host Rush Limbaugh lashed out at the mainstream media for pursuing "the ugliest racial stereotypes they can to attack a black conservative."
So far, the early cry from the right is to support Cain using a race-based defense and familiar targets. Becoming a target of the left and the media could bolster Cain's support among those who view those groups with disdain.
Follow Shannon McCaffrey at (...)
On Monday, (...) , Cain who completed a round of Washington appearances amid a frenzy of media attention labeled the charges a witch hunt.
The forceful early reaction to the Cain firestorm fueled by racially charged rhetoric suggests the Georgia businessman's attempt to cast himself as a victim of the media and liberals is, so far, paying dividends among his conservative Republican base, who will hold considerable sway in selecting the party's nominee. But the accusations against Cain, an untested newcomer on the political scene, (...) , may give more moderate GOP voters pause and could cause would-be donors to shy away even as Cain works to capitalize on his rising poll numbers.
"But I'd still rather vote for Herman Cain than Barack Obama," said Conte, a registered Democrat. Obama, she said, mishandled the economy and the end of the Iraq war. "Anybody but Obama."
Women's rights groups expressed frustration that, 20 years after the Thomas hearings, sexual harassment complaints had again been reduced to a partisan fight.
The head of the conservative Media Research Center, Brent Bozell, labeled the story a "high-tech lynching," evoking Thomas' divisive Supreme Court confirmation hearings two decades ago, where he was confronted with sexual harassment allegations from a onetime employee, Anita Hill.
ATLANTA Conservatives rallied around Herman Cain as he battles sexual harassment allegations, likening the attacks on the Republican presidential contender to what they describe as the "high-tech lynching" of another prominent black Republican: Supreme Court Justice Clarence Thomas.
Copyright 2011 The Associated Press. All rights reserved. This material may not be published, broadcast, http://www.sachermesfrance1.com/ , rewritten or redistributed.
"It's outrageous the way liberals treat a black conservative," fumed pundit Ann Coulter.
Cain acknowledged the charges could harm his campaign at a critical juncture.
Tuesday, 01 Nov 2011 07:18 AM
"Obviously, some people are going to be turned off by this cloud that someone wanted to put over my campaign," he said. "But a lot of people aren't going to be turned off. We'll just have to wait and see what happens."
While Cain seemed to benefit from an early burst of support in key quarters, the full impact of the charges is not yet known.
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