Mark Kelly

A well-designed resistance-training program can go a long way toward helping reduce a runner’s risk of injury. Here are some resistance-band exercises to reduce running-related injuries and possibly kick up your pace a notch.

Running on a treadmill may not be as exciting as running trails or along the beach, but it gets the job done when inclement weather or other constraints make it necessary to exercise indoors. But treadmill training doesn’t have to be boring, explains ACE Exercise Physiologist Dr. Mark P. Kelly, who offers four fun treadmill workouts that will get you ready for your next race.

Science and technology advancements mean that our knowledge of fitness is constantly evolving. What was once standard practice, such as calculating maximum heart rate, can quickly become outdated and irrelevant. ACE Exercise Physiologist Dr. Mark Kelly explains how to apply some of the newer formulas for calculating heart rate and intensity, and how these new tools may make it easier to help your clients build a stronger base of fitness.

Many exercisers shy away from trying high-intensity interval training (HIIT) because they fear it will be too hard or might lead to injury. According to several studies, those fears may largely be unfounded. Not only is HIIT extremely effective for improving health and reducing the risk factors for metabolic syndrome, many exercisers appear to enjoy it much more than traditional continuous exercise. Need more convincing? Read on…

When it comes to making a workout more enjoyable, nothing quite matches the power of music. And the science proves it—from increasing intensity and reducing how difficult exercise feels, to enhancing explosiveness and lactate clearance during recovery, music improves nearly every aspect of working out.

Despite little playing time, Tim Tebow remains one of the most-discussed players this NFL season. And after bulking up this off-season, does he really have what it takes to become an elite quarterback in this league?

Scientists have developed a test to determine how individuals are genetically programmed to respond to exercise, but knowing the answer could be a two-edged sword. Learn why this DNA test may be useful or harmful, depending on the expectations of the individual, and how fitness professionals can help clients use this information to their best advantage.

ACE Exercise Physiologist Mark Kelly responds to feedback about a new ACE-sponsored chest exercise study by discussing the reasoning behind the exercise choices used in the study as well as the inclination for individuals to put exercises into a given classification.

If you’re looking for a career where your knowledge will impact hundreds of individuals both physically and financially, corporate wellness may be the right path for you. While many fitness professionals tend shy away from this industry, the reality is that it can be a very rewarding place to work. In this article, Dr. Mark Kelly discusses the necessary steps to land a job as a wellness consultant.