Try High-intensity Interval Exercise: Your Brain Might Thank You

Credit: iStock Imagine burning 30 percent more calories in half the amount of time you usually spend working out—and continuing to burn calories after the workout ends. High-intensity interval exercise (HIIE)—a type of workout that alternates bursts of intense cardiovascular exercise with brief breaks—does just that. A recent study from Brazil suggests that HIIE does … Continue reading Try High-intensity Interval Exercise: Your Brain Might Thank You

A ‘Holy Grail’ for Exercise Recovery?

Credit: iStock When you start a new fitness routine—whether you are training for a marathon, planning to walk a 5K or committing to swimming more laps—choosing a plan can help you get started and keep you on track. You can find a lot of information about the best way to recover after exercising. However, whether … Continue reading A ‘Holy Grail’ for Exercise Recovery?

Watermelon: A Tasty Summer Treat That’s Good for Heart Health

Summertime means warm weather, and with increasing temperatures come backyard barbeques and potluck celebrations. No summer cookout is complete without the “essential” foods, and watermelon is a favorite for many of us. The juicy red fruit is tasty and refreshing and may even be good for our health. Watermelon is a whopping 92 percent water. … Continue reading Watermelon: A Tasty Summer Treat That’s Good for Heart Health

Spotlight On: The Muscular System

Many of us only think about our muscles when they are sore from being a “weekend warrior” or shoveling out after a snowstorm. However, without skeletal muscles we would not be able to breathe, stand upright, walk or run. The fact that our muscles make up between 40 and 50 percent of our body mass … Continue reading Spotlight On: The Muscular System

And Down the Stretch They Come: A Look at How Horses Power Themselves

In May, only one word is on the minds of people from Kentucky—Derby! Always held on the first Saturday in May, this year was the 145th running of the Kentucky Derby horse race. This year’s outcome was a shocker: For the first time in race history, the horse that crossed the finish line first was … Continue reading And Down the Stretch They Come: A Look at How Horses Power Themselves

Why Being an ‘Active Couch Potato’ Is Bad for Your Health

Did you know that even if you exercise regularly, you may be what researchers call an “active couch potato?” Consider this: If you exercise 30 to 45 minutes a day—completing your daily workout all at one time—it is easy to still spend 80 to 90 percent of your waking hours sitting. A study in England … Continue reading Why Being an ‘Active Couch Potato’ Is Bad for Your Health

2018’s Most-read Posts

December is here again, and we’ve tackled another year of physiology facts on the I Spy Physiology blog. This year, we’ve delved into topics ranging from the link between childhood stress and medical problems in adulthood, to how researchers use virtual reality in the classroom to teach physiology, to the many reasons why marriage is … Continue reading 2018’s Most-read Posts

Pregnancy, Altitude and Exercise: One Serious Set of Challenges

Frequent readers of the I Spy Physiology blog will know that topics such as altitude, pregnancy and exercise are some of our favorites to write about. All of these conditions provide a challenge to our body’s homeostasis, or ability of the body to regulate all of its systems and functions. Until recently, scientists did not … Continue reading Pregnancy, Altitude and Exercise: One Serious Set of Challenges

Four More Reasons Why You Should Exercise Regularly

You may know that being physically active can lower your risk of heart attack and stroke. Exercise also helps prevent age-related declines in muscle size and aerobic capacity. Aside from the well-known benefits of regular exercise on leading a long and healthy life (also known as the healthspan), there are other important advantages that may … Continue reading Four More Reasons Why You Should Exercise Regularly

Walk It Out: How Frequent Walking Breaks Help Your Brain

“Sit less, move more.” This message is being increasingly promoted in the world of health and fitness and in society at large and for good reason. The time we spend sitting is directly related to our health. In fact, too much sitting might even be harmful to people who exercise regularly. Sitting continuously for three … Continue reading Walk It Out: How Frequent Walking Breaks Help Your Brain