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Graeme L. Close, Craig Sale, Keith Baar and Stephane Bermon

. Preparticipation predictors for Championships injury and illness have been identified ( Timpka et al., 2017 ). For instance, athletes who reported an illness symptom causing anxiety before the competition were five times more likely to sustain an injury during the championships. Moreover, intensive training camps

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Mandy Frake

This study examines the significance of the development of relationships in team sports as a factor contributing to female sustained participation in sport. Ten open-ended interviews were conducted with female varsity athletes. The results demonstrate that for women to sustain participation in sports, an environment in which relationships may be developed must be provided. Using Thayer-Bacon’s (2000) ‘relational epistemology’ I unpack this research and the significance of relationships in sport as being critical to sustaining participation. Relationships may be understood in various categories; supporting, motivating, and bonding. There are a number of questions presented that may lead to further research, specifically in regard to what physical educators and coaches may implement in an educational, athletic, or practice setting to enhance females’ positive experiences in a group setting.

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Linda E. Kelly

Physical activity levels of 40 American children, 9–10 years old, were assessed by 12-hrs of continuous heart rate monitoring over the 7 different days of the week. Most participants (92.5%) accumulated 30 min of moderate physical activity on most days of the week. A little more than half (52.5%) reached this level for 7 days of the week. Less than one third (27.5%) accrued the greater health benefits of physical activity by being active for 30 sustained minutes 3 times per week. A slightly larger percentage (35%) obtained 30 min in 10-min or greater sustained bouts 5 or more days of the week. Boys (95.2%) were 6.4% more active in accumulating 30 min or more on most days of the week than girls (88.9%). Boys (40.8%) also obtained 30 min of physical activity in sustained bouts of 10-min or greater at a higher percentage than girls (27.7%).

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Mark Loftin, Patricia Strikmiller, Barbara Warren, Leann Myers, Leslie Schroth, James Pittman, David Harsha and Melinda Sothern

Peak cardiorespiratory responses, physical activity patterns, and the association of VO2peak and physical activity were examined in 16 elementary (ES) and 16 high school (HS) females. Peak responses were assessed during treadmill running, and physical activity patterns were examined over two 12-hour weekdays. Results indicated similar relative VO2peak responses between groups (ES: M = 46.8 ml · kg−1 · min−1;HS:M = 46.6 ml · kg−1 · min−1). No statistical differences (p ≤ .05) were noted when moderate to vigorous physical activity (MVPA) and vigorous physical activity (VPA) were compared. Also, a three-way (Group × HR level × Sustained minutes) ANOVA revealed no statistical differences. A median correlation (r = .27) was found from 8 independent correlations of habitual physical activity and VO2peak. ES and HS appeared similar in regard to VO2peak, accumulative and sustained MVPA and VPA. Low levels of sustained MVPA and VPA (≥ 10 min) were evident in both groups.

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Kevin M. Cross, Kelly K. Gurka, Susan Saliba, Mark Conaway and Jay Hertel

between male and female high school soccer players who sustained thigh muscle strains. It is a secondary analysis of prospectively collected data. During the 2005/2006–2009/2010 school years, injury and exposure data were collected from a cohort of athletes via the High School Sports-Related Injury

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Sergio Jiménez-Rubio, Archit Navandar, Jesús Rivilla-García, Víctor Paredes-Hernández and Miguel-Ángel Gómez-Ruano

to evaluate the change that an intervention program can bring in performance parameters. According to this rationale, the aim of this study was twofold as follows: (1) to determine the changes in match-based physical performance parameters in professional soccer players before and after sustaining a

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Charles Goulet and Isabelle Rogowski

30/1. This ranking corresponds to International Tennis Number 8, indicating players who are able to judge where the ball is going and can sustain a short rally of slow pace (2004, ). Players and parents gave their written informed consent

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Emily R. Hunt, Cassandra N. Parise and Timothy A. Butterfield

Clinical Question What are the effects of nonoperative treatment on isokinetic muscle strength, the single-leg hop test, and the iKDC-2000 in patients who have sustained an ACL rupture? Search Strategy In November 2018, we performed a comprehensive computerized search using the following terms (Figure  1

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Trent Stellingwerff

composition periodization coupled with performance and health outcomes. The overriding ethos was that it is not sustainable from a health and performance perspective to be at peak body composition year-round, so body composition needs to be strategically periodized. Although correlative in nature, this case

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Anna E. Chalkley, Ash C. Routen, Jo P. Harris, Lorraine A. Cale, Trish Gorely and Lauren B. Sherar

strategic approach to the growth and development of MK within the United Kingdom with specific attention being given to how schools can effectively implement the program to ensure sustained participation. Methods As part of a broader study ( Chalkley et al., 2018 ) on the implementation of MK, the data for