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April 5-8, 2018 • Hyatt Regency Crystal City • Arlington, Virginia (Washington, D.C.)

 

2018 Keynote Lectures

 

Interval Training for Health and Fitness: HIIT Versus Hype?

Martin Gibala

 

Martin J. Gibala, Ph.D.
McMaster University
Hamilton, Ontario, Canada

 

OVERVIEW

Interval exercise involves alternating periods of exercise and recovery. Athletes have employed the practice for over a century, but the last two decades have seen a resurgence of scientific interest into the physiological and health-related adaptations to this type of training. The method is infinitely variable but can be broadly classified into two main categories: high-intensity interval training (HIIT) typically refers to submaximal efforts that elicit at least ~80% of peak heart rate, whereas sprint interval training (SIT) involves ‘all out’ efforts or an intensity corresponding to ≥100% of the workload that elicits maximal oxygen uptake (VO2max). Studies comparing HIIT and moderate-intensity continuous training MICT, matched for total work or energy expenditure, have generally found intermittent exercise elicits superior adaptations in both healthy and diseased states, including cardiorespiratory fitness and indices such as glycemic control. Other recent work has shed new light on the potential for SIT, which involves a small total volume of exercise, to elicit adaptations that are comparable to MICT despite a smaller total exercise volume and time commitment. These findings are noteworthy given that lack of time is one of the most cited barriers to regular physical activity. This session will review the physiological basis of interval exercise and examine the role of intensity, duration and volume in regulating training-induced adaptations. It will also consider the practical application of interval training in both healthy individuals and people with cardiometabolic diseases.

 


More Than Just a Game: The Public Health Impact of Sport and Physical Activity for People with Disabilities

 

Cheri Blauwet, M.D.
Harvard Medical School
Boston, Massachusetts

 

 

OVERVIEW

Dr. Marcus will discuss (a) the importance of addressing the physical inactivity epidemic, (b) the benefit of using technology with theory-based interventions for physical activity behavior change in order to increase intervention effectiveness, and (c) her latest research on physical activity interventions in underserved populations in order to reduce health disparities.


An Evolution of the Exercise Prescription: The IronStrength Community Fitness Program

 

Jordan Metzl, M.D.
Hospital for Special Surgery
New York, New York

OVERVIEW

Although the concept of exercise as medicine has gained traction in recent years, a large gap still exists between the advice provided in the medical office and the implementation of exercise programs. Talk is easy, action is more difficult. Having recognized the need for better implementation strategies, Dr. Jordan Metzl, sports medicine physician, author, runner, and triathlete, created the IronStrength® community fitness program five years ago. One of the world’s first physician-led fitness initiatives, Dr. Metzl has evolved the concept of encouraging his patients to exercise. The class started with twenty people exercising in the basement of a gym now has grown into a 34,000 person strong fitness community with free classes held in iconic venues, often attracting more than 1,000 people at a time with goal of promoting health through activity. This lecture will describe the growth of the IronStrength community fitness program and detail how this model of program can be replicated around the world to promote a healthy, symbiotic relationship between fitness professionals and the medical community.

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