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Alannah K.A. McKay, Peter Peeling, David B. Pyne, Nicolin Tee, Marijke Welveart, Ida A. Heikura, Avish P. Sharma, Jamie Whitfield, Megan L. Ross, Rachel P.L. van Swelm, Coby M. Laarakkers, and Louise M. Burke

This study implemented a 2-week high carbohydrate (CHO) diet intended to maximize CHO oxidation rates and examined the iron-regulatory response to a 26-km race walking effort. Twenty international-level, male race walkers were assigned to either a novel high CHO diet (MAX = 10 g/kg body mass CHO daily) inclusive of gut-training strategies, or a moderate CHO control diet (CON = 6 g/kg body mass CHO daily) for a 2-week training period. The athletes completed a 26-km race walking test protocol before and after the dietary intervention. Venous blood samples were collected pre-, post-, and 3 hr postexercise and measured for serum ferritin, interleukin-6, and hepcidin-25 concentrations. Similar decreases in serum ferritin (17–23%) occurred postintervention in MAX and CON. At the baseline, CON had a greater postexercise increase in interleukin-6 levels after 26 km of walking (20.1-fold, 95% CI [9.2, 35.7]) compared with MAX (10.2-fold, 95% CI [3.7, 18.7]). A similar finding was evident for hepcidin levels 3 hr postexercise (CON = 10.8-fold, 95% CI [4.8, 21.2]; MAX = 8.8-fold, 95% CI [3.9, 16.4]). Postintervention, there were no substantial differences in the interleukin-6 response (CON = 13.6-fold, 95% CI [9.2, 20.5]; MAX = 11.2-fold, 95% CI [6.5, 21.3]) or hepcidin levels (CON = 7.1-fold, 95% CI [2.1, 15.4]; MAX = 6.3-fold, 95% CI [1.8, 14.6]) between the dietary groups. Higher resting serum ferritin (p = .004) and hotter trial ambient temperatures (p = .014) were associated with greater hepcidin levels 3 hr postexercise. Very high CHO diets employed by endurance athletes to increase CHO oxidation have little impact on iron regulation in elite athletes. It appears that variations in serum ferritin concentration and ambient temperature, rather than dietary CHO, are associated with increased hepcidin concentrations 3 hr postexercise.

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Lambros Stefanou, Niki Tsangaridou, Charalambos Y. Charalambous, and Leonidas Kyriakides

Purpose: Teacher content knowledge (CK) and its contribution to student achievement (SA) are understudied in physical education, especially concerning the examination of the effectiveness of professional development (PD) programs using direct measures of teachers’ CK and SA. To make progress in this research area, this study investigated the contribution of a content-focused PD program to teachers’ CK and SA in basketball, using direct measures thereof. Methods: A quasi-experimental design was utilized to examine the contribution of a PD program. The authors measured the CK of 52 elementary classroom teachers and their fifth or sixth grade students’ (n = 913) achievement in basketball before and after the PD program. The data were analyzed using unilevel and multilevel regression analyses. Results: Teachers who participated in the PD program exhibited higher learning gains in their CK; their students also exhibited higher learning gains. Discussion and Conclusion: The study findings suggest that PD programs focused on enhancing teachers’ CK might also support SA.

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Insook Kim and Phillip Ward

Purpose: This study examined the effects of a specialized content knowledge workshop on developing teachers’ content development and adaptive competence in teaching badminton. Method: A quasi-experimental design was employed with three middle school physical education teachers who taught five or six badminton lessons before and after the content knowledge workshop (n = 66). Descriptive statistics and univariate analysis of variance were conducted to analyze the data of content development index scores and intratask adaptations. Frequency data across lessons by teachers and treatment conditions were employed for content development patterns. Results: There were statistically significant effects of the workshop in developing the teachers’ use of content development (p = .049) and adaptations (p = .000), but their effects varied by teacher. While the most used content development pattern by the teachers in comparison classes was an informing applying pattern, the teachers used a variety of content development patterns that included more task progressions in the experimental classes. Conclusion: It can be concluded that teachers’ instructional tasks and task adaptations could be improved through a well-designed professional development program. The findings can guide the direction of teacher education and professional development in ways to enhance teachers’ content development and adaptations.

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Okseon Lee, Euichang Choi, Victoria Goodyear, Mark Griffiths, Hyukjun Son, Hyunsoo Jung, and Wonhee Lee

Although physical education (PE) teachers have increased access to digital/online continuous professional development activities, there are few robust accounts of how they engage with and experience these environments. Purpose: The purpose of this study was to examine PE teachers’ participation patterns within self-directed online PE continuous professional development activities using mobile instant messenger. Methods: Data were generated from (a) 5,246 messages exchanged in the mobile instant messenger chatroom from 281 teachers, (b) semistructured interviews with 10 teachers, and (c) 1,275 messages posted by the 10 interviewed teachers. Quantitative data were analyzed for measures of central tendency, and qualitative data were analyzed inductively. Findings: Five patterns of PE teachers’ usage of mobile instant messenger were identified: (a) ringmasters, (b) passive uploaders, (c) active uploaders, (d) requesters, and (e) bystanders. Discussion: The findings suggest that each engagement pattern illustrates the differential goals of learning, types of interaction, and forms of participation by teachers engaged in online continuous professional development.

Open access

Tiago Duarte, Diane M. Culver, and Kyle Paquette

In this paper, the authors reflect on the current literature and the evolution of coach communities of practice and how the coach development area has embraced Wenger-Trayner’s social learning theory. Studies examining parasport coach development interventions, specifically those using a landscape of practice approach, are lacking. This paper is the third in a series about increasing learning capability in the wheelchair curling landscape. The authors utilized a collaborative approach to assess the learning value created through a 13-month social learning intervention. Four composite vignettes based on the coaches’ pathways and residency within the landscape were created from the data generated and analyzed using the value creation framework. The vignettes illustrate the many dimensions of learning values experienced by the coaches. This paper advances the literature surrounding social learning theory by providing examples of the novel concept of different dimensions of learning value. Applied implications are included.

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Fleur Pawsey, Jennifer Hoi Ki Wong, Göran Kenttä, and Katharina Näswall

Sport coaching is a profession that is often demanding and one in which psychological burnout is problematic. Recovery from work demands is known to be important in preventing burnout, but research has paid little attention to short-term recovery for coaches. The present study therefore focused on day-to-day recovery. Specifically, the authors investigated the role of mindfulness in recovery, given previously established empirical relationships between mindfulness and recovery processes. The authors used an intensive diary study design to gather daily data from a sample of 46 sport coaches, over a period of 28 consecutive days. Multilevel modeling allowed data analysis at the intraindividual level, providing insights into daily recovery processes for individual coaches. The results showed that increases in daily mindfulness, relative to coaches’ individual mean levels, were predictive of higher levels of recovery-related variables (energy and mood) through mechanisms of reduced rumination and improved sleep. The present study highlights mindfulness as a potential path to daily recovery and the prevention of burnout among coaches. The study lays groundwork for the investigation of mindfulness training as a recovery-promoting intervention for coaches, potentially through easily accessible means, such as app-based training delivery and the incorporation of informal mindfulness practice into daily activities.

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Stiliani “Ani” Chroni, Kristen Dieffenbach, and Sigurd Pettersen

The aim of the study was to explore what sport federations look for when recruiting elite athletes into coaching, and what resources are offered to retiring elite athletes transitioning to coaching careers. The authors interviewed 10 federation officials representing eight different sports, winter and summer, individual and team sports. Thematic analysis was employed and four “what recruiters look for” higher-order themes were found, including: having the whole package essential for coaching, personal attributes displayed in their time as an athlete, singular dedication to the sport, and knowing them from their time as an athlete. Three higher-order themes surrounding resources were identified, on the support provided to those going from athlete-to-coach to facilitate a stable start, professional development, and holistic wellbeing. These resources were also considered in relation to the phase at which they were offered in the transition process, such as upon hiring, early on in the career, and as ongoing ones. While a standard or universal approach to this does not appear to exist, practices and approaches were identified here that were considered within the scope of the existing research and can be used to inform future coach development work.