Don’t Use the Term Anaerobic Exercise Most people may think that the reason you begin to fatigue is that you go “anaerobic” or reach an intensity when there is not enough oxygen for your running muscles to contract. That is, that you reach an effort or intensity levels when the demand for oxygen out-strips the…
Sitting can be a Health Hazard Sitting for long periods of time is hazardous to your health. Even if you are active, you still need to get up often and move. That’s because there is a strong association between sitting too much and mortality risks. Exercise does not cancel out the ill effects of too…
Twenty-five-year-old Maggie needed to lose 1,000 pounds, but the staff members of the Alaska Zoo in Anchorage didn’t know what to do with her robust 9,000-pound body. Maggie had matured into a particularly pudgy pachyderm and was dangerously obese. Following the Heart Zones way, the zoologist devised a new high-fiber, high-fruit diet and then made…
Take a serious glance at America and her northern neighbors to see what is amassing the perfect calamity. Put together this modern scenario: the summation of increased work hours, elimination of physical labor, the popularity of sedentary forms of entertainment, eating nutrient-poor meals outside the home, dangerous environmental conditions, and the generation (born from 1970-1990…
Maximum Heart Rate Disputed When the past president of the American College of Sports Medicine, Carl Foster, Ph. D. said to me recently, “the formula 220-age is worse than useless” I shouted “hooray”. This is the formula for estimating your individual maximum heart rate. This formula is worthless. It is one of the primary reasons…
Imagine yourself approaching the starting line of your first triathlon. The sun is emerging over the eastern horizon. You are in the company of thousands of women who look like experienced triathletes. They are dressed to the nines. They are engaged in their pre-race rituals: racking their bikes, setting up their transition areas, taking off…