Editor-in-Chief: Steven J. Keteyian, PhD, FACSM
ISSN: 1091-5397
Online ISSN: 1536-593X
Frequency: 6 issues / year
Ranking: 75 of 84 in Sport Sciences
Impact Factor: .298
A Note from Editor-in-Chief Steven Keteyian

A decade or so ago the training method of higher intensity interval training (HIIT) moved off of the running track and into both hospital-based cardiac rehabilitation programs and fitness center-based extreme fitness programs. This popular method for training, originally developed by Drs. Woldemar Gerschler and Hans Reindell in the 1930s – 1950s, has stood the test of time and remains an effective method for improving cardiorespiratory fitness.

To accommodate HIIT’s ongoing popularity, this issue of the Journal is devoted to the topic. Four feature articles are provided, each addressing an important aspect of HIIT. We start off with “Higher Intensity Interval Training: A Review of Physiological and Psychological Responses,” by Marcus Kilpatrick, Ph.D.; Mary E. Jung, Ph.D; and Jonathan P. Little, Ph.D. As the title implies, this article summarizes the benefits associated with HIIT, but also identifies important areas for future research. Michelle Olson, Ph.D., FACSM, CSCS, next provides a deeper dive into variations of HIIT, with a special emphasis on the Tabata technique. Her paper is titled “Tabata: It’s a HIIT!".

Complementing the exercise aspects of HIIT, it is proper that important nutritional issues be addressed as well. Raquel C. Garzon, M.S., R.D., LD and Christopher Mohr, Ph.D., R.D., cover these in “Meeting the Nutritional Demands of High-Intensity Interval Training.” Finally, and as one might expect, HIIT might expose trainers and fitness centers to unique legal concerns, a few of which are discussed in the paper by JoAnn M. Eickhoff-Shemek, Ph.D., FACSM, FAWHP, and Margaret C. Keiper, Ph.D., “High-Intensity Exercise and the Legal Liability Risks.” My hope is that this issue provides a balance of HIIT topics that help advance your interaction with clients and patients. Speaking of which, don’t miss the copy-and-share Fitness Focus column in this issue about HIIT for use with your clients and patients.
In addition to the above, I encourage you to read through the department and columns articles in this issue. As always, the authors cover a wide array of topics, each providing a concise focus on material relevant to educating others about health improvement.

For those of you residing in North America, I trust you will enjoy the upcoming fall season… and the warm days and cooler evenings that it brings.



Steven J. Keteyian, PhD

Henry Ford Health System


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