| 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...
| 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...
| Apr 14, 2010
Longer days -- at least for me -- mean time for long evening workouts, but I need to be careful. Enthusiasm for exercise is fabulous, but athletes can sabotage their fitness goals if it causes them to hit the sack much later.
While you sleep you are...
| Apr 7, 2010
Christine Thorburg, also a physician, came to see my colleague Massimo Testa, M.D., and me after she had knee ligament reconstruction. She'd run cross-country in college and had done some recreational cycling at age 30, but that was about it. She asked us...
| May 5, 2010
Muscle soreness 24 to 48 hours after you exercise is a good sign. It means that you have challenged your muscles and are getting stronger. This is called delayed onset of muscle soreness (DOMS), and everyone experiences it, even elite athletes. Here's how...