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MinKyoung Song, Dianna D. Carroll, Sarah M. Lee and Janet E. Fulton


The 2008 Physical Activity Guidelines recommend youth participate in a variety of physical activities; however, few nationally representative studies describe the types and variety of youth activity. This study assessed the most frequently reported types and variety of activities among U.S. high school students, and examined the association between variety and meeting the 2008 Guidelines for aerobic activity (aerobic guideline).


We analyzed data on 8628 U.S. high school students in grades 9–12 from the 2010 National Youth Physical Activity and Nutrition Survey. Types of physical activity were assessed by identifying which activities each student reported in the past 7 days. Variety was assessed by the total number of different activities each student reported. Percentage (95% CI) of students who reported engaging in each activity was assessed. Logistic regression was used to examine the association between variety and meeting the aerobic guideline.


Walking was the most frequently reported activity among U.S. high school students. On average, students reported participating in 6 different activities. Variety was positively associated with meeting the aerobic guideline.


These findings support encouraging youth to participate in many physical activities and may be useful for developing interventions that focus on the most prevalent activities.

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Sarah M. Coppola, Philippe C. Dixon, Boyi Hu, Michael Y.C. Lin and Jack T. Dennerlein

comparing external tablet keyboard attachments with the no-travel, on-screen keyboards have demonstrated better performance with attached keyboard use. 2 , 3 However, the effects of these new short-travel key designs on upper-extremity muscle activity and typing force are unknown. Keyboard design

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Sarah P. Shultz, Jinsup Song, Andrew P. Kraszewski, Jocelyn F. Hafer, Smita Rao, Sherry Backus, Rajshree M. Hillstrom and Howard J. Hillstrom

Healthy feet are important for performing occupational tasks, physical activity, and recreation. Although the literature can be conflicting, 1 – 3 studies 4 – 6 have shown that deviation from the rectus foot type can increase the risk of lower extremity injuries, specifically those associated

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Nicole M.S. Belanger and Julie Hicks Patrick

The benefits associated with engaging in physical activity are well known, ranging from an increased sense of well being to a decreased risk of developing type 2 diabetes and coronary heart disease. 1 Despite these advantages, roughly 36%–53% of college students do not engage in adequate physical

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Hayley Perelman, Joanna Buscemi, Elizabeth Dougherty and Alissa Haedt-Matt

discrepancy between an individual’s body compared to the body type he or she perceives as ideal, particularly for shape and weight ( Kong & Harris, 2015 ), is positively correlated with disordered eating behaviors ( Haase, Prapavessis, & Owens, 2002 ; Heinberg & Thompson, 1992 ; McKay-Parks & Read, 1997

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Kirsi E. Keskinen, Merja Rantakokko, Kimmo Suomi, Taina Rantanen and Erja Portegijs

, Brownson, & Bosworth, 2005 ), and perceived pedestrian ( Bracy et al., 2014 ) and traffic safety ( Li et al., 2005 ). To the best of our knowledge, no previous study among older adults has categorized neighborhood types as a single measure combining objective environmental characteristics with spatial

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Beatriz H. Thames and Stacey L. Gorniak

have indicated that persons with type II diabetes also exhibit subtle motor function changes of the fingers. 14 – 16 Patients with type II diabetes are known to be susceptible to skin changes including tactile impairment, vascular compromise, and dry skin. Recent data also indicates that tactile

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Luca Pollonini, Lauren Gulley Cox and Stacey L. Gorniak

Almost 24% of the 40 million individuals in the United States aged 60 years and older are currently living with Type 2 diabetes mellitus (DM; Centers for Disease Control and Prevention, 2012 ). Persons with DM experience declines in hand/finger sensorimotor function compared with healthy

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Stefano Palermi, Anna M. Sacco, Immacolata Belviso, Nastasia Marino, Francesco Gambardella, Carlo Loiacono and Felice Sirico

to decreased socialization, autonomy, and overall quality of life ( Salkeld et al., 2000 ). This public health issue is even more serious in specific subsets of patients with specific diseases, such as patients with type 2 diabetes mellitus (DM). Indeed, these patients have a higher risk of falling

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Piaolin Peng, Shaolan Ding, Zhikang Wang, Yifan Zhang and Jiahao Pan

runners. Besides the recommended foot strike types, since around 40 years ago, high-tech midsole materials have been continuously introduced by major athletic footwear manufacturers in an attempt to palliate running-related injuries for rearfoot strike runners as a high percentage (up to 89%) of