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?

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

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

The Dog Days of Summer Running

  It’s August in Louisville, Ky., and my alarm goes off at 5:40 a.m. Time for my morning run with my four-legged running buddy, Julep. After I do some light stretching, we’re pounding the pavement by 6 a.m. to get a 5-mile run in. I choose to exercise before work because it’s (slightly) cooler compared … Continue reading The Dog Days of Summer Running

Virtual Reality Gives Students a New Look at Physiology

  This summer I had the opportunity to design and teach a two-week course as part of the Summer Discovery program at Penn State. The program brings high school students from all over the globe, including Taiwan, Japan and Puerto Rico, to central Pennsylvania to attend college preparation courses. Taking the lead in developing and … Continue reading Virtual Reality Gives Students a New Look at Physiology

Here Comes the Sun (and the Heat)

Summer is in full swing, and with a near-peak number of daylight hours, chances are good that there is still plenty of light left to enjoy once your workday is done. Before you get outside and bask in the sun and heat, check out these I Spy posts that explain how your body responds to … Continue reading Here Comes the Sun (and the Heat)

Take Care of Yourself while You Take Care of Your Garden

Springtime signals warmer weather and, for many people, more time outside. A garden can be a great place to get sunlight (to support vitamin D production), physical activity and delicious fresh fruits and veggies. When you go out to plant, water and weed your garden this year, keep an eye on how well-watered you are … Continue reading Take Care of Yourself while You Take Care of Your Garden

Relieve Stress and Anxiety with Exercise in the New Year

If getting more exercise is one of your New Year’s resolutions, here is another reason to stick with it: daily exercise—which is known to lower blood pressure—has also been shown to reduce stress and anxiety. I am not the first to notice that physical activity improves my ability to respond to stressful situations, but as … Continue reading Relieve Stress and Anxiety with Exercise in the New Year