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This article presents the findings of a season-long investigation of video-based coaching (VBC) practices in an English youth soccer academy. During the period of fieldwork, the lead author immersed themselves within the academy setting, in which they observed 22 VBC sessions and also day-to-day interactions between coaching staff relating to these activities. In addition, 18 interviews were conducted with 5 coaching staff, totalling 8 h of in-depth interview data. The fieldnotes and interview transcripts were iteratively analysed, utilising Goffman's dramaturgical writings and Groom et al.'s grounded theory of VBC. Our analysis produced two overarching themes. These were (a) how the coaching staff concealed that VBC sessions were principally designed to develop 'high priority' players and (b) how the coaching staff purposefully withheld critical thoughts and feelings about their player's performances, preferring instead to strategically focus on the provision of positive messages during VBC sessions. These findings contribute to the limited investigation of this aspect of coaching and demonstrate the importance of educating coaches to acknowledge how VBC can be influenced by and used to respond to workplace demands and expectations. [ABSTRACT FROM AUTHOR]

A think aloud (TA) protocol was used to explore whether thought processes and attentional focus differed between well-trained, trained, and recreationally-trained runners across a 5km tempo run. Eighteen runners completed a self-paced 5km tempo treadmill run. Participants were asked to TA and provided their ratings of perceived exertion alongside breathlessness, cognitive demands and lower-body effort, every 1 km. Verbalisations were coded using content analysis into categories and sub-categories and were compared across groups and over every kilometre of the run. Speed and Rate of Perceived Exertion scores increased over the 5km but there were no significant differences across groups. The nature of verbalisations for categories and sub-categories varied across groups with the majority of the well-trained runner's thoughts relating to active self-regulation, while internal sensory monitoring was used most frequently by the trained runners and distraction was most widely verbalised by the recreationally-trained group. There was a statistically significant difference between the use of active self-regulation across groups, with differences also seen for the sub-categories of running form and motivational self-talk. The number of verbalisations across categories changed over time, but there was no statistically significant interaction with group. Results highlight active self-regulatory differences between well-trained, trained and recreationally-trained runners in the study, suggesting that it is likely not just exposure to running that enables runners to develop effective psychological skills. Findings could be used by coaches to offer targeted support and opportunities for lower-level runners to develop effective cognitive skills to impact on performance and running adherence. [ABSTRACT FROM AUTHOR]

There is increasing interest in the role sports coaches are expected to play in supporting the mental health of elite and sub-elite athletes. This paper presents the first single-sport, mixed-methods, study of UK athletics coaches' mental health literacy (MHL). We extend previous quantitative survey-based UK studies by incorporating the qualitative lived experiences of coaches into the analysis. We explore coaches' knowledge of mental health and illness, experience of mental health training, and willingness to support athletes with mental illness. An online survey of 184 UK athletics coaches revealed that MHL was highest among women, younger coaches, and coaches with less experience. No statistical differences were found between MHL score and disability, sexuality or region in which coaches worked. Interviews held with a sub-sample of 25 survey respondents revealed a lack of clear consensus about what constitutes mental health and mental illness, and that coaches' everyday views of these did not always correspond with formal definitions or conceptualisations. Coaches' views were instead typically characterised by dominant psychological and psychiatric understandings of mental health and illness, while the significance of social relations and inequalities were often overlooked. There was a general willingness among coaches to support athlete mental health as an aspect of their duty of care, but most lacked the relevant training and understanding to do so effectively because such training was not implemented systematically within their organisational practice. Coaches' call for mandatory athletics-specific mental health training was one strategy thought to better enhance coaches' skills, knowledge and intentions to provide and seek mental health support. Important though MHL training and other sources of support is, we conclude that this is likely insufficient on its own and that there is a parallel need for multi-level, systems-wide, approaches in sport and wider society to better support the mental health of everyone. [ABSTRACT FROM AUTHOR]

Purpose: The purpose of this study was to examine the physical match profiles of professional soccer players using 3 and 5 min fixed and rolling averages as well as fixed 1 min averages, with considerations to training prescription. Methods: Twenty-nine professional U23 soccer outfield players competed across 17 competitive matches during the 2017/18 season, equating to a total of 130 separate physical match profiles. Match activities were recorded using global positioning system (GPS) devices with integrated micro-electrical mechanical systems (MEMS), recording total distance (TD), high-speed running (HSR), and metabolic power (MP). For each individual match profile and variable, 1, 3, and 5 min peak, post-peak, and average values were calculated using fixed-time epochs (FIXED) and rolling averages (ROLL). Linear mixed models were employed to examine the differences in the dependent variables as a function of the method of measurement. Results: Results revealed significantly higher peak values, for relative TD, relative HSR and relative MP when employing the ROLL sampling method, in comparison to the FIXED method, for both 3 min and 5 min epoch lengths. Analysis of epoch length revealed significantly higher peak values, across all positions, for relative TD, relative HSR and MP for 1 min epochs, in comparison to 3 min and 5 min epochs. Conclusions: The data offers a novel insight into the appropriate identification of physical demands during youth soccer match-play. Researchers and practitioners should consider the sampling method and epoch length when assessing the physical demands of competitive match-play, as well as when designing and prescribing sport-specific conditioning drills.

It has recently been identified that the assessment of peak periods of activity better considers the stochastic nature of match-play and the influence that contextual factors have on these peak periods. Limited research exists attempting to link the tactical and physical aspects of performance, especially in female players. Therefore, the current study aimed to assess post-goal locomotor patterns and positional differences on peak match demands in elite female soccer players. Using 10 Hz global positioning system units, a total of 133 player match observations were recorded from 14 matches played by an elite Scottish women's professional soccer team. The total distance (TD), high-speed running distance (>18 km/h) (HSRD) and PlayerLoad™ (PL) were assessed for 1, 3 and 5-minute peak periods using a rolling epoch approach. Playing position and post-goal activity were used as modulating factors. Linear mixed models established a main effect for playing position for the HSRD at peak 1-minute (p <.001), 3-minute (p <.001) and 5-minute (p <.001) epochs. There were also main effects for the playing position for TD at peak 1-minute (p =.001) and PL at peak-3minute (p =.002). Team-level data showed a main effect for condition (score vs. concede) for 3-minute TD data and main effects for time (pre vs. post) for 1,3 and 5-minute epochs for PL data. The average and peak values were shown to differ across playing positions for all variables. Likewise, potentially indicative of tactical adjustments significant differences were observed at both a team and player level following scoring or conceding a goal. [ABSTRACT FROM AUTHOR]

The purpose of the study was to develop new knowledge about the everyday realities when implementing periodised training programmes in professional soccer Academies. Specifically, this project enhances understanding in relation to 1) those stakeholders involved in periodised training programmes in professional soccer Academies, 2) factors that facilitate and constrain the design, implementation, and monitoring of periodised programmes, 3) the extent to which practitioners perceive that education programmes adequately prepared them for this aspect of their work. Academy managers, coaches and sport science support staff were approached to complete an online survey, with 30 individuals (33.6 ± 9.5 years old) agreeing to do so. Findings highlight that practitioners "have" to adapt their practices accordingly in response to contextually constraining factors. Here, the importance of developing richer insights into the social aspects of work in applied settings, greater recognition of facilitating and constraining factors, and an improved awareness and development of the educational interventions that can prepare practitioners in applied practice is emphasised. [ABSTRACT FROM AUTHOR]

This study sought to examine differences in measures of intense periods of physical performance during competitive match-play, between one-match (1 match weeks) and two-match microcycles (2 match week). 1, 3 and 5 min "peak" and mean averages for total distance (TD), high-speed running (HSR) and metabolic power (MP) were analysed for each 15 min period of match-play. Linear mixed models were employed to examine the differences in dependent variables for each method of measurement between the 1 and 2 game microcycles. No differences were reported for "peak" values for all epoch lengths, however, results revealed significantly reduced "average" values, during periods of fixture congestion, for 1, 3 and 5 min epochs for average TD, and 3 min epochs for average HSR towards the end of the match (75–90 min split). There was, however, a trend for the opposite response to occur in the 60–75-min period. The current data suggests that players potentially display altered pacing strategies during periods of fixture congestion, with these observed responses being dependent on sampling method and epoch length. [ABSTRACT FROM AUTHOR]

Purpose: The purpose of the study was to examine differences in measures of cardiorespiratory fitness and determinants of running economy with respect to maturity status in a group of highly trained youth soccer players. Methods: A total of 21 highly trained youth soccer players participated in this study. On separate visits, players' peak oxygen uptake (VO2peak), running economy at 3 different speeds [8 km⋅h-1, 80% gaseous exchange threshold (GET), and 95% GET], and pulmonary oxygen uptake (VO2) kinetics were determined. Players also performed a Yo-Yo intermittent recovery test level 1 (Yo-Yo IR1). Players were categorized as either "pre-PHV" (peak height velocity) or "mid-PHV" group using the measure of maturity offset. Independent t tests and Cohen's d effect sizes were then used to assess differences between groups. Results: The mid-PHV group was significantly taller, heavier, and advanced in maturity status. Absolute measures of VO2peak were greater in the mid-PHV group; however, when expressed relative to body mass, fat-free mass, and theoretically derived exponents, VO2peak values were similar between groups. Pre-PHV group presented a significantly reduced VO2 response, during relative submaximal running speeds, when theoretically derived exponents were used, or expressed as %VO2peak. VO2 kinetics (tau) were faster during a low (standing) to moderate (95% GET) transition in the pre-PHV group. Yo-Yo IR1 performance was similar between groups. Conclusion: Although measures of VO2peak and Yo-Yo IR1 performance are shown to be similar between groups, those categorized as pre-PHV group display a superior running economy at relative submaximal running speeds and faster taus during a low to moderate exercise transition than their more mature counterparts. [ABSTRACT FROM AUTHOR]

The purpose of the study was to (1) assess the training load experienced during pre-season and in-season meso-cycles within youth academy soccer players and (2) investigate the extent to which the intended periodized approach was implemented, considering those factors that affected its realization. An explanatory sequential mixed-method design comprising two phases was adopted. Phase 1 encompassed the quantitative analysis of training load data, using 10 Hz GPS, and consisted of 17 youth academy soccer players (age 17 ± 1 yrs; stature 179 ± 9 cm; body mass 72 ± 9 kg), from a professional English soccer academy. Phase 2 involved the collection of qualitative data in relation to the data collected in phase 1 of the study. Three semi-structured interviews were conducted with the lead strength and conditioning coach at the same academy, to gain his reflections on the data, its alignments with desired outcomes, and factors that impacted on the enactment of the periodized training programme. The results provide original information on the training load experienced within a youth soccer academy and novel insights into the complex realities of enacting periodized training programmes in practice. [ABSTRACT FROM AUTHOR]

Purpose: To examine the reliability of heart rate (HR) measures obtained during a 6-min Yo-Yo Intermittent Recovery Test Level 1 (Yo-Yo IR1), and following a 3-min passive recovery, within a group of highly trained youth soccer players Methods: Eight players completed three separate 6-min Yo-Yo IR1 tests, with a passive recovery, over a 2-week period. Measures of absolute heart rate (bpm) and relative HR (%HRmax) were obtained at the 3rd and 6th min of the test, with measures relative to the end HR (%HRend) 10, 20, 30, 60, 90, and 180 s, during the 3-min passive recovery. Variability in HR measures were assessed across successive trials (trial 1 vs. 2 and trial 2 vs. 3) and across all three trials, using the intraclass correlation coefficient (ICC), coefficient of variation (CV) and typical error (TE). Results: HR measures obtained during the 6-min Yo-Yo IR1 test displayed good levels of reliability (ICC: 0.95-0.98, CV: 1.1-1.3% and TE: 0.96-2.44). Results, display a potential learning effect, with lower levels of variability between trial 2 and trial 3. Examination of %HRend obtained during the passive 3-min recovery demonstrated an increased variance, as the passive-recovery period progressed. Conclusion: The 6-min Yo-Yo IR1 test presents a novel and potentially practical approach to regularly assessing youth soccer players' physical response to intermittent exercise. Practitioners and researchers should, however, consider the need for appropriate familiarisation when undertaking this test. [ABSTRACT FROM AUTHOR]

Following my progression and development from an undergraduate sports science student to my present position as a lecturer in Coaching and Performance, I sought to reflect upon this journey and how each significant stage of my development has either challenged, developed, or influenced my career. In attempting to articulate and disseminate such information I have utilised reflective accounts that were recorded throughout this time. Consequently, the current paper seeks to present a reflective account of key stages within my own career and development, from the initial stages of a newly graduated sports science intern, into a novice practitioner undertaking a PhD before finally attaining a full-time position in academia. I hope that these insights into my own personal and professional development may help anyone seeking employment or working in the sports science industry. [ABSTRACT FROM AUTHOR]