| Jul 13, 2010
Many fitness programs promote the idea that you lose weight simply because you burn a certain number of calories while you're exercising. But you also continue to burn calories after you exercise. We call this phenomenon exercise after-burn.
For the Tour...
| Sep 29, 2010
There are certain places you might expect to see a recommendation to hire a personal trainer — say, in a muscle-magazine ad or on late-night TV. But one of those places is probably not a publication by one of our nation's most venerated medical...
| Aug 18, 2010
Flat abs and bulging biceps are improvements brought on by exercise. Less visible but more significant are the structural improvements aerobic exercise make to your heart—improvements that can take you from feeling like a junker car to purring...
| May 26, 2010
This time of year, everyone is talking about their fitness goals for the summer. It's a pleasant reprieve from all the news about rising obesity levels and our nation's lack of attention to fitness, no doubt.
I get worried, however, when I hear about the...
| Jul 28, 2010
Many exercise physiologists believe that the intensity of an activity is more important than how long you exercise or how many times you repeat an exercise.
But gauging exercise intensity can be difficult—what's low intensity to one person can seem...
| Jun 9, 2010
Weight lifting is an effective—if often overlooked—exercise for achieving a number of different fitness objectives. It can help you lose weight, build endurance and strength, or serve as an aerobic workout.
The ideal weight YOU, in...
| May 11, 2010
Even the most robust exercise program won't grant you true fitness if you don't take control of your diet.
Exercise changes virtually every tissue in the body via many different pathways -- metabolic, hormonal, neurological and mechanical—says...
| Jul 7, 2010
Balance rarely receives a lot of attention, but it's one of the four key components of fitness (the remaining triumvirate being aerobic ability, strength and flexibility). A person who is fit is strong in all of these areas.
You may wonder why balance...
| Jun 2, 2010
A top athlete who is exhausted and underperforming but experiencing no other symptoms will nonetheless be tested for allergies or exercise-induced asthma and offered treatment. As is the case with many advances in sports performance medicine, however,...
| May 19, 2010
The Tour of California bike race, which has attracted a large field of world-class cyclists this year, started last weekend. In the first stage, a number of cyclists crashed just before the finish line. As one of the BMC Racing Team doctors, I was working...
| Mar 17, 2010
In the world of fitness, practice doesn't just make you perfect, it also makes you more comfortable.
As you first dig into a new fitness regimen, as many people do this time of year, the discomfort of exercise can be, well, uncomfortable. The burning...