ASU Regents' Professor recognized for lifetime contribution to exercise research
Health professor's groundbreaking work measuring the exact amount of energy burned doing all forms of physical activity changed the way we view health and wellness today
We all know it takes energy to run a mile, but how much? What about brushing our teeth? Or playing a board game? Or just lying on the couch watching TV? Can we easily find out exactly how much energy and how many calories we’re using for every activity, day or night?
Thanks to Barbara Ainsworth, we can.
Ainsworth is an Arizona State University Regents’ Professor of exercise science and health promotion at the College of Health Solutions whose seminal work The Compendium of Physical Activities lists the metabolic energy costs, or METs, of physical activities ranging from reading a book to snow mountaineering.
Her work has been cited and consulted for hundreds of articles and research studies, but it represents only one part of Ainsworth’s 40-plus-year career in education, sports medicine and exercise science research. For her lifetime contributions to the field, the American College of Sports Medicine is awarding Ainsworth its highest accolade, the 2018 ACMS Honor Award.
The Compendium of Physical Activities
The compendium was first published in 1993 when Ainsworth was an assistant professor at the University of North Carolina-Chapel Hill. Before she joined ASU in 2006, the compendium had gone through a second edition, and she did much of the work for the third edition at the labs on ASU’s Polytechnic campus, recruiting graduate students and fellow researchers to help fill in gaps and measure energy expenditure for areas that had never been studied, such as child care.
Jesse Vezina, a graduate of the master’s program in exercise and wellness and now a lecturer in the exercise science and health promotion program at the College of Health Solutions, was one of the student researchers who helped gather data for the compendium’s latest edition, bringing volunteers to the lab, hooking them up to oxygen-measuring devices and having them perform child care activities like feeding a baby or pushing a stroller using mannequins of the correct size and weight for accuracy.
He also worked on measuring energy costs of resistance exercises like push-ups and lunges as part of his master’s thesis, and, when Procter & Gamble heard about the compendium, the company had Ainsworth and her students do the same measurements for household cleaning.
“We had subjects come in and mop a dirty floor, clean a bathtub, and do other chores while we measured their energy expenditure,” Vezina said.
With the help of her ASU students and colleagues, the latest edition of the compendium was published in 2011. While the compendium established Ainsworth’s reputation when it was first published 25 years ago, it has been her prolific research collaborations and publications since then that continue to earn her international acclaim. She has published more than 300 journal articles and has participated in numerous studies that further our knowledge about women’s and public health issues.
Connecting physical activity, health and public policy
When she began her career in the 1970s, the profound negative effect that sedentary living and poor nutrition have on health was just beginning to be understood, and Ainsworth saw that every aspect of physical activity could affect health, especially for women.
“Women are typically classified as not active because they don’t do lots of sports and recreation-type of activity,” she said.
By emphasizing every form of physical activity, she has been able to show the important connections between physical activity, public policy and women’s health. Her research interests have fueled many projects, from collaborating on a study of postpregnancy Hispanic women in a walking support group, to her current work evaluating motor skills of women in middle age and older as an indicator of successful aging.
“Assessing physical activity is like putting a puzzle together,” she said in a 2014 ASU Now video soon after she earned her Regents’ Professor distinction. “It’s very exciting. It just never gets old.”
Her excitement about her work has elevated wellness in relevance and importance worldwide, said Pamela Swan, associate professor in nutrition and health promotion at the College of Health Solutions.
“She is the best, most incredible advocate of our program and what we aspire to do as part of the health model," Swan said. "It’s been good to have her involved with all our programs because she can see things from a national and global perspective."
Former colleague Melinda M. Manore, a professor at Oregon State University, agreed.
“She is very passionate about people. She’s passionate about her students. She’s passionate about diversity," Manore said. "If she’s passionate about something, she puts all her energy into it. She is very passionate about public health and trying to make change so that we’re a healthier nation. She was doing it way before it was popular.”
The American College of Sports Medicine presented Barbara Ainsworth with its highest accolade, the 2018 ACMS Honor Award for her lifetime achievements, at its annual meeting in June 2018.
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