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Bethany Barone Gibbs, Melissa A. Jones, John M. Jakicic, Arun Jeyabalan, Kara M. Whitaker, and Janet M. Catov

Background: Though moderate- to vigorous-intensity physical activity is recommended, limited research exists on sedentary behavior (SED) during pregnancy. Methods: The authors conducted a prospective cohort study to describe objectively measured patterns of SED and activity during each trimester of pregnancy. Women wore thigh- (activPAL3) and waist-mounted (ActiGraph GT3X) activity monitors. SED and activity were compared across trimesters using likelihood ratio tests and described using group-based trajectories. Exploratory analyses associated SED and activity trajectories with adverse pregnancy outcomes and excessive gestational weight gain. Results: Pregnant women (n = 105; mean [SD] age = 31 [5] y; prepregnancy body mass index = 26.2 [6.6] kg/m2) had mean SED of 9.7, 9.5, and 9.5 hours per day (P = .062) across trimesters, respectively. Some activities differed across trimesters: standing (increased, P = .01), stepping (highest in second trimester, P = .04), steps per day (highest in second trimester, P = .008), and moderate- to vigorous-intensity physical activity (decreased, P < .001). Prolonged SED (bouts ≥ 30 min) and bouted moderate- to vigorous-intensity physical activity (≥10 min) were stable (P > .05). In exploratory analyses, higher SED and lower standing, stepping, and steps per day trajectories were associated with increased odds of adverse pregnancy outcomes (P < .05). No trajectories were associated with excessive gestational weight gain. Conclusions: Pregnant women exhibited stable SED of nearly 10 hours per day across pregnancy. Future research evaluating SED across pregnancy and adverse pregnancy outcome risk is warranted.

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Shikha Prashad, Yue Du, and Jane E. Clark

Current methods to understand implicit motor sequence learning inadequately assess motor skill acquisition in daily life. Using fixed sequences in the serial reaction time task is not ideal as participants may become aware of the sequence, thereby changing the learning from implicit to explicit. Probabilistic sequences, in which stimuli are linked by statistical, rather than deterministic, associations can ensure that learning remains implicit. Additionally, the processes underlying the learning of motor sequences may differ based on sequence structure. Here, the authors compared the learning of fixed and probabilistic sequences to randomly ordered stimuli using a modified serial reaction time task. Both the fixed and probabilistic sequence groups exhibited learning as indicated by decreased response time and variability. In the initial stage of learning, fixed sequences exhibited both online and offline gains in response time; however, only the offline gain was observed during the learning of probabilistic sequences. These results indicated that probabilistic structures may be learned differently from fixed structures and have important implications for our current understanding of motor learning. Probabilistic sequences more accurately reflect motor skill acquisition in daily life, offer ecological validity to the serial reaction time framework, and advance our understanding of motor learning.

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Jeffrey D. MacCharles and E. Nicole Melton

Gay men in sport are currently at a historic crossroads. On the one hand, the sport industry has never been more accepting and inclusive of sexual minorities than it is today. On the other hand, however, the sociocultural norms and organizational practices within sport that have traditionally stigmatized gay men and influenced their career choices—both in pursuit of and persistence within careers in sport—continue to exist. Drawing from life course theory, the purpose of this study was to qualitatively explore the experiences of 12 gay men working in the sport industry and understand how their awareness (or lack thereof) of the stigma associated with being gay shaped their career decisions. Findings suggest that historical/social context, organizational practices, personal and professional relationships, and the interplay between these factors inform how gay men navigate their stigmatized identities while working in sport.

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Greg Joachim, Nico Schulenkorf, Katie Schlenker, Stephen Frawley, and Adam Cohen

As research into sport innovation management continues to evolve, the innovation efforts of both for- and non-profit sport organizations are increasingly revealed to be focused on best serving the sport user. Design thinking—a human-centered approach to innovation—may hold promise for sport organizations attempting to identify and deliver on the unmet needs of their users. As such, we undertook a qualitative exploration of the innovation practices of a commercial sport organization, attempting to balance hybrid for- and non-profit service goals. Alignment with design thinking themes was discovered in the organization’s practice, as were performative components of design thinking practice. Our findings suggest that design thinking is suitable—and indeed desirable—for adoption into sport management practice, particularly as a means of enhancing innovation efforts, designing holistic sport experiences, and/or overcoming competing institutional demands.

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Catherine E. Draper, Karen Milton, and Jasper Schipperijn

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Philip J. Morgan, Clare E. Collins, Alyce T. Barnes, Emma R. Pollock, Stevie-Lee Kennedy, Ryan J. Drew, Kristen L. Saunders, Jacqueline A. Grounds, Anna T. Rayward, and Myles D. Young

Background: Few lifestyle programs for young children have targeted fathers. This study examined the feasibility of a lifestyle intervention for fathers and their preschool-aged children. Method: A total of 24 father/preschool child dyads were recruited from Newcastle, Australia, into a single-arm, feasibility trial (baseline and 3-mo postbaseline assessments). The 9-session program aimed to improve physical activity and dietary habits of fathers and children. A priori feasibility benchmarks targeted recruitment (15 dyads), eligibility rate (>60%), attendance (80%), retention (≥85%), and program acceptability (≥4 out of 5). Acceptability of data collection procedures, research team program/resource management, home-program compliance, and preliminary intervention outcomes were also assessed. Results: Feasibility benchmarks were surpassed for recruitment (24 dyads), eligibility rate (61.5%), attendance (89%), retention (100%), and program acceptability (4.6 out of 5). Data collection procedures were acceptable. Challenges included mothers reporting their own dietary intake rather than their child’s, children moving during body composition measurement, and resetting pedometers. Resource and program management were excellent. Most families met home-program requirements (83%). Preliminary intervention outcomes were encouraging for fathers and children. Conclusion: Program feasibility was demonstrated by excellent recruitment, attendance, acceptability, retention, program administration, and promising preliminary intervention outcomes. A few data collection difficulties were identified. A larger scale efficacy trial is warranted.

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Joanna Horne, Nichola Kentzer, Lee Smith, Mike Trott, and Jitka Vseteckova

Background: It is estimated that 17% of the UK adult population are informal carers, usually for a family member, with a majority reporting that they are not able to engage in physical activity as much as they would like. The aim of this review is to provide a greater understanding of the prevalence of, and barriers and facilitators to, physical activity of informal carers in the United Kingdom. Methods: A systematic review of relevant databases and grey literature was undertaken, following Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidance, from its inception until July 17, 2020. Results: Barriers to physical activity include increasing aging, not wanting to leave the caree alone, the caree being unable to take part in activities, health conditions, fatigue, lack of time, and difficulties in changing the routine for the caree. Facilitators include an appreciation of the benefits of engaging in exercise, previous participation in activities, group activities with similar people, and having some free time. Conclusions: Due to the paucity of research into the prevalence of, and barriers and facilitators to, physical activity in informal carers in the United Kingdom, this systematic review highlights the need for further research, focusing primarily on the physical activity of informal carers caring for individuals with a range of conditions. A further systematic review exploring these issues internationally is warranted.

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Christa Spicer and Daniel B. Robinson

Feelings of isolation have long been found to be experienced by many teachers, particularly by those within some specialist disciplines, including physical education (PE). The potential effects of teacher isolation are undesirable and plentiful. They include a lessening of interest in one’s work, burnout, and/or an absence of community connection. Given the uniqueness of their discipline, PE teachers may especially be impacted by the following: Their discipline is “low status” and marginalized, they are frequently both physically and psychologically isolated from their peers, and they often are one of very few PE specialists in a school. Given these sorts of unique challenges for PE teachers, the authors undertook a scoping review of literature in order to gather and provide a comprehensive and up-to-date account of peer-reviewed literature related to PE teachers and isolation, as well as offer implications for PE research and practice.

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Joanne A. McVeigh, Jennifer Ellis, Caitlin Ross, Kim Tang, Phoebe Wan, Rhiannon E. Halse, Satvinder Singh Dhaliwal, Deborah A. Kerr, and Leon Straker

Activity trackers provide real-time sedentary behavior (SB) and physical activity (PA) data enabling feedback to support behavior change. The validity of activity trackers in an obese population in a free-living environment is largely unknown. This study determined the convergent validity of the Fitbit Charge 2 in measuring SB and PA in overweight adults. The participants (n = 59; M ± SD: age = 48 ± 11 years; body mass index = 34 ± 4 kg/m2) concurrently wore a Charge 2 and ActiGraph GT3X+ accelerometer for 8 days. The same waking wear periods were analyzed, and standard cut points for GT3X+ and proprietary algorithms for the Charge 2, together with a daily step count, were used. Associations between outputs, mean difference (MD) and limits of agreement (LOA), and relative differences were assessed. There was substantial association between devices (intraclass correlation coefficients from .504, 95% confidence interval [.287, .672] for SB, to .925, 95% confidence interval [.877, .955] for step count). In comparison to the GT3X+, the Charge 2 overestimated SB (MD = 37, LOA = −129 to 204 min/day), moderate to vigorous PA (MD = 15, LOA = −49 to 79 min/day), and steps (MD = 1,813, LOA = −1,066 to 4,691 steps/day), and underestimated light PA (MD = −32, LOA = −123 to 58 min/day). The Charge 2 may be a useful tool for self-monitoring of SB and PA in an overweight population, as mostly good agreement was demonstrated with the GT3X+. However, there were mean and relative differences, and the implications of these need to be considered for overweight adult populations who are already at risk of being highly sedentary and insufficiently active.

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Qingru Xu and Peggy J. Kreshel

In this case study, the authors examined media representations of two Chinese female athletes—state athlete Ding Ning and professional athlete Li Na—in China, a nation undergoing social transformation and a sport-reform initiative. Analyzing stories from two Chinese web portals (i.e., Sina and Tencent), the authors analyzed how (a) gender, (b) nationalism, and (c) the individualism–collectivism continuum entered into media representations of these two female athletes. Notable differences emerged in all three conceptual areas. A fourth theme, which the authors have identified as the commercialized athlete, also emerged. Possible explanations and implications are discussed.