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In this issue:

Happy New Year! Helping the World Keep its Resolution to be More Physically Active
Active Voice: Size Matters when Treating Victims of Exertional Heat Stroke
Former U.S. Surgeon General To Lead National Series of 'Huddles' on Youth
  Sports Concussions
ACSM to Host Capitol Hill Day March 3-4
New ESSR Issue Online
Still Time to Register for the ACSM Team PhysicianSM Course, Part II
In Memoriam: Dr. Per-Olof Åstrand
Sports Medicine & Exercise Science Headlines


Helping the World Keep its New Year's Resolution to be More Physically Active
Happy 2015! Thank you for reading Sports Medicine Bulletin during the past year, and we look forward to providing you concise updates, breaking news and key developments throughout 2015 on a weekly basis. As millions around the world make a New Year's resolution to be more physically active, ACSM — through your individual efforts and influence as well as through our programs such as Exercise Is Medicine and Designed to Move — will do much to make these resolutions far more than a temporary good intention. We appreciate your leadership in changing and improving lives and health and look forward to making this the year when physical activity takes another major step forward. For more information on programs and initiatives that ACSM has developed or plays a lead role within, refer to the websites and links below. Again, Happy New Year and we look forward to collaborating with you in advancing the cause of increased activity and improved health for all.

Physical Activity Program Links
Exercise Is Medicine
American Fitness Index
Designed to Move
Every Body Walk
Project Play
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Active Voice: Size Matters when Treating Victims of Exertional Heat Stroke
By Glen P. Kenny, Ph.D.

Viewpoints presented in SMB commentaries reflect opinions of the authors and do not necessarily reflect positions or policies of ACSM.

Dr. Glen P. Kenny is a professor of exercise physiology at the University of Ottawa, holds a university research chair in environmental physiology, and is a member of ACSM. His research has been directed at characterizing the physiological control mechanisms governing human temperature regulation during heat stress. An area of special focus in his work is investigation of the physiological effects of heat stress in subpopulations with conditions rendering them particularly vulnerable to heat injury, such as aging, obesity and diabetes.

This commentary presents Dr. Kenny’s views on the topic related to a study which he and colleagues recently completed. Their research report appears in the September 2014 issue of Medicine & Science in Sports & Exercise® (MSSE).

The human body is quite inefficient at using the energy derived from metabolic processes to create external work, with approximately 70 to 95 percent of energy as heat— this does, of course, vary with the physical task. The human body has an amazing capacity to handle the large amount of heat released during physical activity. To offset the large increase in metabolic and environmental heat gain [high ambient air temperature, radiant heat sources (sun, fires, kiln, etc.), the human thermoregulatory system must adjust the rate of heat loss by increasing skin blood flow and sweating. Under circumstances where the body is unable to increase heat loss sufficiently to offset the increase in heat production/gain, core temperature continually rises. If left unchecked, core temperature can continue to increase to dangerously high levels— placing individuals at high risk of developing exertional heat stroke (EHS). The risk of EHS is always present when military personnel, laborers, athletes and others perform physical activity in the heat, especially when protective equipment is worn. Key to the survival of victims of EHS is the early recognition of the condition. Even if EHS is promptly recognized at the time of the incident, an individual can still succumb if extreme hyperthermia is not rapidly reduced. The severity and reversibility of multisystem organ failure associated with EHS is related to the duration of temperature elevation.

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Former U.S. Surgeon General to Lead National Series of 'Huddles' on Youth Sports Concussions
The National Council on Youth Sports Safety (NCYSS), co-chaired by 16th U.S. Surgeon General Dr. David Satcher and global health leader and clinical psychiatrist Dr. Eliot Sorel launches a national tour this Saturday in Atlanta (information is below) on sports-related concussions among youth athletes. The 10-month tour is part of the Protecting Athletes and Sports Safety (PASS) initiative aimed at transforming the policies and practices that U.S. communities adopt in addressing sports-related concussions among pre-collegiate athletes.

Each Community Huddle on Concussion will be targeted to parents, student-athletes, coaches, athletic trainers, officiators, league officials, medical and health professionals, educators, and school administrators, and policymakers. During stops in 11 U.S. communities, attendees can participate in breakout sessions on public policy, the culture and science of coaching, and technology and diagnostic equipment. Student-athletes will participate in sports safety clinics presented by Safe Kids Worldwide featuring simulations on concussion, hydration and overuse as well as engage in a dialogue among professional athletes moderated by ESPN2 First Take moderator Cari Champion.

The national tour opens with the Atlanta Community Huddle on Concussion this Saturday, January 10, 2015. The Arthur M. Blank Family Foundation will serve as the Title Community Champion for the opening huddle and is committed to promoting the benefits of youth sports, including enhanced academic achievement, sportsmanship, and overall wellness.

Other huddles will be held each month in different cities, including Los Angeles, CA (February); Chicago, IL (March); Columbus, OH (April); Dallas, TX (May); Pensacola, FL (June); Indianapolis, IN (July); Denver, CO (August); New York, NY (September); and Washington, DC (October). Visit the NYCSS website for more details on the Community Huddles or email at Click here for information on the Atlanta Huddle.

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ACSM to Host Capitol Hill Day March 3-4
Signaling the steady growth of its policy influence, ACSM will hold its third annual Capitol Hill Day on March 3-4, 2015. Capitol Hill Day offers ACSM members the opportunity to provide their insights on issues that Congress is considering. It is vital that ACSM members participate in order to positively affect ACSM’s policy goals. ACSM members who who are interested are invited to participate in the prep session (Tuesday evening, March 3) and visits with Members of Congress and staff (March 4).

While ACSM cannot reimburse expenses, those participating will enjoy the rewards of ensuring that Congress is adequately educated and can make informed decisions on legislation related to their profession. Capitol Hill Day presents an opportunity not only to interact with elected leaders and staff, but the sports celebrities who will be part of the day’s activities as well.

ACSM will partner with the Sports & Fitness Industry Association in staging another highly successful and influential Capitol Hill Day. To sign up for Capitol Hill Day or for more information, contact Monte Ward, ACSM's vice president for government relations, at

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  A New Level of Versatility in Laser Therapy

A new, battery-operated therapeutic laser has been recently introduced, the LightForce® FX. This laser combines Class 4 technology, featuring 15 watts of power, with an unparalleled capacity for mobility. High-definition touch screen and advanced features like Perfect Protocol™ and Instant Replay provide a level of versatility and performance previously unknown. Read more.

New ESSR Issue Online
The January 2015 issue of Exercise and Sport Sciences Reviews is now available online. Articles featured in this issue include:
  • Intravascular ATP and the Regulation of Blood Flow and Oxygen Delivery in Humans
  • Neuromuscular Exercise as Treatment of Degenerative Knee Disease
  • Common Synaptic Input to Motor Neurons, Motor Unit Synchronization and Force Control
  • And more on topics as broad as monitoring physical activity with GPS technology to rehabilitation of patients with severe burns.
*Access to the journal varies by member type. ACSM Professional members must login at the ACSM website and then click on the "Access My Journals" link.

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  New LC7 for Performance Testing

Monark Sports & Medical bikes are designed and built in Sweden by Monark Exercise AB with focus on testing and training in Medicine, Sports, Healthcare and Rehabilitation. Monark has over 100 years of experience in bicycle production. A tradition that has yielded know-how, experience, and a real feel for the product and quality.

Still Time to Register for the ACSM Team PhysicianSM Course, Part II
The ACSM Team PhysicianSM Course will be held February 4-8, 2015 in San Antonio, Texas. This course offers the full range of athlete care and sports medicine. Participate in hands-on workshops, fill in gaps in your course work and gain new perspectives in the orthopedic, primary care and emergency medicine aspects of sports medicine and athlete care. Register before December 17 to receive the early bird discount!
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  Free Nutrition Course For Exercise Professionals

Passionate about exercise and nutrition? Then learn the essentials of nutrition coaching with this free 5-day video course. Taught by renowned nutrition researcher, Dr. John Berardi. Click here for the free course.

In Memoriam: Dr. Per-Olof Åstrand
The college notes with great sadness the passing of Dr. Per-Olof Åstrand. Dr. Åstrand was one of the preeminent exercise scientists of the past century. During the last several decades, his research and publications have profoundly influenced the training of several generations of exercise physiologists.

Åstrand was a 1973 recipient of the ACSM Honor Award. He delivered the Dill lecture at the ACSM Annual Meeting in 1988 and the Wolffe lecture in 1991.

Åstrand graduated from the Swedish School of Sport and Health Sciences in 1946 and received his Ph.D. at the medical school at the Karolinska Institute in 1952 where he became a professor in 1960. He was Doctor Honoris Causa at eight universities. Åstrand had published more than 200 research articles and his areas of research included work physiology and the human oxygen transporting system, physical performance, health and fitness, preventive medicine and rehabilitation.

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ACSM names 2015's top fitness trends
The American College of Sports Medicine released its 2015 Worldwide Survey of Fitness Trends, showing that body-weight training claimed the top spot from high-intensity interval training last year. Fads such as Zumba, Pilates and balance training didn't crack the top 20. Each year, the ACSM canvasses thousands of fitness professionals and releases a report listing the top worldwide fitness trends.
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Youth Football Study Gains National Attention
The force of head impacts in youth football can be similar to high school and college but may not necessarily affect short-term neurological function in children, according to a study authored by Sanford Health’s Thayne Munce, Ph.D., and colleagues and published by Medicine & Science in Sports & Exercise®.

Munce and the Sanford Sports Science Institute team in Sioux Falls monitored 22 local youth football players 11 to 13 years of age during a single season of 27 practices and nine games. Each player wore sensors in his helmet that measured head-impact frequency, magnitude, duration and location. Players were additionally screened prior to and after the season for select clinical measures like balance, visual reading speed, reaction time and self-reported symptoms.

More than 6,000 head impacts were recorded and found to be similar in magnitude and location to those in high school and college football but less frequent.

The study, "Head impact exposure and neurologic function of youth football players," found head impacts that players sustained throughout the season were not associated with changes in neurologic function.

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