Word: biked
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Does getting fit always have to take a lot of time? A training regimen of just four to seven 30-sec. all-out sprints on a stationary bike three times a week built muscle and endurance, according to researchers from Ontario's McMaster University. But, they caution, sprints like that are very demanding and require an unusual level of motivation...
...lack of sleep, the dehydration, the energy deficit and the physical battering that her body is enduring are starting to affect Rusch's mind. "You start hallucinating and falling asleep while on the bike," she says. "I've had vitamins in my hand and had them all turn into squirming bugs. In New Zealand one time, we were walking through a marsh in the middle of the night, and I saw a Vietnamese woman selling fruit at a little stand. I asked a teammate for some money to buy mangoes as I started to change course and walk toward...
...kind to your joints. Exercise can qualify as cardiovascular without giving your joints a pounding. Take a gym spin on a recumbent bike, pump an elliptical trainer or enroll in a water-aerobics class. Concentrate on strengthening upper-leg muscles, especially the quadriceps. That will, in turn, ease the strain on knees...
...aerobics. Now that you've achieved balance and strength, start working on your cardiovascular system. Walk, bike, swim--do what you enjoy most. Don't go out in wet weather if you're prone to slipping. Avoid risky sports like downhill skiing, but choose an exercise you like enough to stick with. --By Sora Song
...Robert Wood Johnson Foundation. That collaboration helped promote New Urbanism, a movement to build "walkable," mixed-use communities in which residences are a short distance from commercial centers. It also spurred efforts to retrofit cities and towns with what some call "complete streets"--thoroughfares that include sidewalks, bike paths and a protective strip of parked cars or vegetation to shield pedestrians from traffic. Reid Ewing, associate professor of urban studies at the University of Maryland, believes we may be seeing the first fruits of those efforts. After steadily declining for decades, the number of trips Americans made by walking showed...