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In this issue:

Active Voice: Very Short Activity Bouts Related to Healthier CVD Profile
Share Your Thoughts; Guide the College; Maybe Win a Prize—All in Five Minutes
Policy Corner: Research Programs Have Challenges and Champions
Apply Now for 2013 Student Travel Awards
ESSR January Free Content
Sports Medicine & Exercise Science Headlines
 
 


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Active Voice: Very Short Activity Bouts Related to Healthier CVD Profile
By Nicole L. Glazer, Ph.D., MPH
Viewpoints presented in SMB commentaries reflect the opinions of the authors and do not necessarily reflect positions or policies of ACSM.

Dr. Glazer is an assistant professor of medicine and epidemiology at the Boston University Schools of Medicine and Public Health, and an investigator in the Framingham Heart Study. Her main research interests are in the areas of cardiovascular disease epidemiology, physical activity, and genomics. An abstract of this work earned national recognition in the form of the Steven N. Blair Award for Excellence in Physical Activity Research at the American Heart Association’s 2011 Nutrition, Physical Activity and Metabolism Conference.

This commentary presents Dr. Glazer’s views on the topic of a related research article which she and her colleagues published in the January 2013 issue of
Medicine and Science in Sports and Exercise® (MSSE).

The 2011 ACSM’s overall recommendation on physical activity for health is for most adults to engage in at least 150 minutes of moderate-intensity exercise each week. To accumulate this amount of exercise, sessions of at least 10 minutes in duration are considered acceptable. Yet the recommendation also acknowledges that more research is needed to determine the health benefits of exercise done in bouts ‹10 minutes. Physical activity done in shorter bouts may have health benefits, particularly in sedentary individuals, but so far the data have been inadequate.

In interventional studies comparing single long bouts of exercise with multiple short exercise bouts, there is relatively strong evidence that comparable cardiorespiratory fitness can be achieved with different fractionation of total exercise volume, provided the daily total amount of exercise is constant. However, for other health outcomes, such as cardiometabolic risk factors, there is insufficient data on the effects of shorter bouts of exercise. Until recently, most studies have also been constrained by a lack of objective assessment of physical activity. Accelerometers substantially improve the accuracy, reliability and comprehensive profiling of activity by measuring both movement and its intensity during each daily minute. In this context, accelerometry offers the opportunity to evaluate the health impacts of shorter vs. longer bouts of activity.

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Share Your Thoughts; Guide the College; Maybe Win a Prize—All in Five Minutes

For many years, the American College Sports Medicine (ACSM) has promoted and integrated scientific research, education and practical applications of sports medicine and exercise science to maintain and enhance physical performance, fitness, health and quality of life.

As we look to expand our resources to you, as a professional member of ACSM, we would like to know a little more about you and your preferences. Here is a link to a short survey, which will help us better understand your interest and usage in mobile technology.

This survey should take less than five minutes to complete and all of your responses will be kept anonymous and looked at only in the aggregate of your peers and colleagues.

Please remember to include your name and email address at the end of the survey to be entered into a raffle to win one of ten $100 American Express gift cards. Your contact information will only be used to contact you if you are a winner.

On behalf of ACSM, I would like to thank you in advance for your time and insight.

Regards,
Katie Feltman
Director of Publishing
American College of Sports Medicine

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Policy Corner: Research Programs Have Challenges and Champions

Federal support – the lifeblood of so much research that is vital to America’s interests – continues to face an uncertain future. ACSM is a member organization of Research!America, whose president and CEO, Mary Woolley, makes the case for research funding in her Jan. 31 advocacy message. She also urges readers to contact their senators and representatives “to put a human face on the rhetoric.”

On a hopeful note, she lauds two champions for research, Senator Burr (R-NC) and Senator Casey (D-PA). Research!America will hail them and other champions at the organization’s annual awards dinner March 13.

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Apply Now for 2013 Student Travel Awards

The Steven M. Horvath Travel Award offers two $500 awards to under-represented minority graduate students to present their scholarly work at the ACSM Annual Meeting.

The Michael L. Pollock Student Scholarship provides two $200 awards to graduate students presenting research projects at the ACSM Annual Meeting.

The Gail E. Butterfield Nutrition Travel Award provides two $500 awards for Ph.D. students (one from the U.S.; one international) to present their scholarly work at the ACSM Annual Meeting.

Application deadline for all three awards is April 1, 2013. Additional details and applications for each award can be found in the Student Corner section of the ACSM website. Or link directly here.

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ESSR January Free Content

Check out the online Journal Club discussion questions in Exercise and Sport Sciences Reviews (ESSR). The Journal Club questions can be used by educators and students to gain a greater understanding and generate thought-provoking discussion of the topic. Journal Club questions are available whereever the Club icon () appears or can be accessed* from the Journal Club Topical Collection Web page. Recently covered articles include: View the January 2013 issue covered article, “Origin and Development of Muscle Cramps” by Marco Alessandro Minetto, Aleš Holobar, Alberto Botter, and Dario Farina and the Journal Club questions by Roger Enoka. This issue’s covered article can be downloaded for free for a limited time.

*ACSM Professional members must first log in at the ACSM Website. Then click on the “Access My Journals” link. *ACSM Professional members must first log in at the ACSM Website. Then click on the “Access My Journals” link.

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SPORTS MEDICINE & EXERCISE MEDICINE HEADLINES

Headlines include recent stories in the media on sports medicine and exercise science topics and do not reflect ACSM statements, views or endorsements. Headlines are meant to inform members on what the public is reading and hearing about the field.


Yoga May Aid People with Irregular Heart Rhythm
Reuters Health
Regular yoga classes could help people with a common heart rhythm problem manage their symptoms while also improving their state of mind, a new study suggests.

According to the American Heart Association, about 2.7 million people in the U.S. have atrial fibrillation (AF), in which the heart's upper chambers quiver chaotically instead of contracting normally.

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Play It Safe in the Woods
Snowshoemag.com
You love it out there on the trails through the forest, but you’re relatively new to snowshoeing or cross-country skiing. You may have read Matthew Timothy Bradley’s excellent December piece “Planning for the Worst: The List, and thought “OMG I’m not going there. I never heard of a Swedish fire steel and I am NOT spending the night in a freaking cave anywhere!”

Cheer up. We were all novices at one time, and many of the super suggestions in Bradley’s article came from experience, some gained the hard way. He did not start out axing his way up Everest and neither will you. But you have to begin somewhere, so man up, as they say. The suggestions below can help you get out there safely so you can gain the experience necessary to plan more serious outings, if you are so inclined.

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Sports Medicine Bulletin
Sports Medicine Bulletin is a membership benefit of the American College of Sports Medicine. There is no commercial involvement in the development of content or in the editorial decision-making process for this weekly e-newsletter. The appearance of advertising in Sports Medicine Bulletin does not constitute ACSM endorsement of any product, service or company or of any claims made in such advertising. ACSM does not control where the advertisements appear or any coincidental alignment with content topic.

James DeBois, Director of Advertising Sales, 469.420.2618   
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Colby Horton, Vice President of Publishing, 469.420.2601
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