Kevin Till

Kevin Till
Leeds Beckett University | LEEDS MET · Carnegie School of Sport

PhD

About

268
Publications
193,285
Reads
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4,476
Citations
Additional affiliations
February 2011 - present
Leeds Beckett University
Position
  • Lecturer

Publications

Publications (268)
Article
Full-text available
Male academy rugby league players are required to undertake field and resistance training to develop the technical, tactical and physical qualities important for success in the sport. However, limited research is available exploring the training load of academy rugby league players. Therefore, the purpose of this study was to quantify the field and...
Article
Full-text available
Background To understand the multiple and wide-ranging impacts of intensified youth sport, the need for a holistic approach to athlete development has recently been advocated. Sports schools are an increasingly popular operationalisation of intensified youth sport, aiming to offer an optimal environment for holistic development by combining sport a...
Article
Objectives Assess the validity and feasibility of current instrumented mouthguards (iMGs) and associated systems. Methods Phase I; four iMG systems (Biocore-Football Research Inc (FRI), HitIQ, ORB, Prevent) were compared against dummy headform laboratory criterion standards (25, 50, 75, 100 g ). Phase II; four iMG systems were evaluated for on-fie...
Article
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Background The evaluation of physical qualities in talent identification and development systems is vital and commonplace in supporting youth athletes towards elite sport. However, the complex and dynamic development of physical qualities in addition to temporal challenges associated with the research design, such as unstructured data collection an...
Article
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This review aimed to (1) systematically review the scientific literature evaluating the match-play characteristics of women's soccer, (2) determine the methods adopted to quantify match-play characteristics of women's soccer, and (3) present the physical, technical and tactical characteristics of women's soccer match-play across age-groups, playing...
Article
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Talent identification (TID) and talent development (TD) continue to receive significant investment from team sports organisations, highlighting their importance in attempting to identify potential elite athletes. Accompanying this continual pursuit to unearth future talent is an ever-increasing body of research aiming to provide solutions and strat...
Poster
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This poster details an overview of a study conducted within the ICOACHKIDS+ Research Project. The study aimed to examine and compare the perceptions of athletes, parents and coaches within talent development environments in Europe, to established areas of TDE strengths/weakness and stakeholder similarity/difference. The work adds to knowledge on...
Article
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Background Within the football codes, medium-distance (i.e., > 20 m and ≤ 40 m) and long-distance (i.e., > 40 m) sprint performance and maximum velocity sprinting are important capacities for success. Despite this, no research has identified the most effective training methods for enhancing medium- to long-distance sprint outcomes. Objectives This...
Preprint
Objectives Determine the validity and feasibility of current Instrumented mouthguards (iMGs) and associated systems. Methods Phase 1; Four iMG systems (Football Research Inc [FRI], HitIQ, ORB, Prevent) were compared against dummy headform laboratory criterion standards (25, 50, 75, 100 g ). Phase 2; Four iMG systems were evaluated for on-field val...
Article
Full-text available
Long-term athletic development practices have been recommended for the past two decades. However, limited research exists exploring the knowledge and skills required by practitioners to optimise long-term athletic development. Therefore, this study aimed to evaluate the knowledge, adherence, practices, and challenges of practitioners responsible fo...
Article
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(1) Background: The progression of youth rugby union (RU) players towards senior professional levels can be the result of various different constraints. The aim of this study was to examine characteristics that differentiated playing positions and player rankings in an English Premiership RU academy. (2) Methods: Thirty players (mean age = 18.5 ± 2...
Article
Interpreting the physical qualities of youth athletes is complex due to the effects of growth, maturation and development. This study aimed to evaluate the effect of position, chronological age, relative age and maturation on the physical qualities of elite male academy rugby union players. 1,424 participants (n = 2,381 observations) from nine Rugb...
Article
The possession of certain psychosocial characteristics can offer performance advantages in a range of domains. However, integrating a program to support the development of psychosocial characteristics is a lengthy process and involves context-specific knowledge and effective working relationships with stakeholders. The aim of this article is to pre...
Article
Full-text available
The purpose of this study was to present the physiological profile of male soccer players who compete in the professional (Division [D] 1, 2, 3) and semi-professional (D4) Greek soccer leagues, and to compare their physiological profile according to playing division. Using 1,095 players (age: 25.2 ± 4.7 years), twelve anthropometric and physiologic...
Conference Paper
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Given the importance of the environment in athlete development, recent years have seen an increase in research examining Talent Development Environments (TDEs). However, most research is limited to a single nation and the athletes’ perspective with little consideration of the views of parents or coaches. This study addresses these limitations by ex...
Article
The Athletic Identity Measurement Scale (AIMS) is a popular measure of Athletic Identity (AI). The purpose of the present study was to investigate the factor structure (7-item single factor and 3 factor model; Social Identity, Exclusivity and Negative Affectivity) of the AIMS within youth academy soccer players. A total of 259 male youth academy so...
Article
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Long-term athlete development is a primary focus for the England Rugby Football Union (RFU). The purpose of this study was to explore the anthropometric, physical, and relative age characteristics of rugby union academy players based on age group and playing position. Seventy-eight participants were examined for height, body mass, 10 and 20 m sprin...
Article
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Context The assumed risks of early specialization in sport are well known, with several international consensus statements advising against specialization in early athlete development. However, there have been recent calls for more focused research in this area. Evidence Acquisition Research evidence from several scientific disciplines (eg, sport...
Article
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This study aimed to establish age-specific velocity thresholds for Under (U)14 and U16 elite youth female soccer players. Data was collected using 10Hz GPS units during 50 matches from 187 players (U14 n=89; U16 n=98). Spectral clustering identified velocity thresholds for high-speed running (HSR), very high-speed running (VHSR), and sprinting (SPR...
Article
There is global concern surrounding the current lifestyle behaviours and future health and well-being of youth (1). Levels of physical activity, aerobic and muscular fitness in youth are in decline (2) with such trends further worsened by the COVID-19 pandemic (3). Increases in obesity prevalence suggest that many youth do not develop the requisite...
Article
There is an increasing awareness of the importance of the environment in academy players’ development, yet limited research has investigated players’ perceptions of their talent development environments (TDEs). This study focused on academy soccer players’ perceptions of their TDE and compared perceptions across the English soccer academy categoriz...
Article
Full-text available
Instrumented mouthguards (iMGs) have the potential to quantify head acceleration exposures in sport. The Rugby Football League is looking to deploy iMGs to quantify head acceleration exposures as part of the Tackle and Contact Kinematics, Loads and Exposure (TaCKLE) project. iMGs and associated software platforms are novel, thus limited validation...
Article
The relative age effect (RAE) is a phenomenon that represents how young athletes who are born early in the selection year are often overrepresented within youth sport settings. The contact nature of rugby union may further magnify the physiological advantages of those athletes who are chronologically older. Thus, the purpose of this study was to ex...
Article
Full-text available
This mixed methods study aimed to assess the agreement between coaches ranking of youth rugby league players compared against objective physical performance data and gather coaches’ subjective descriptions of their players performance. Five hundred and eight male rugby league players (U16 n = 255, U18 n = 253) completed a fitness testing battery of...
Article
Full-text available
Motor competency is integral to the long-term athletic development of youths. Strength and conditioning (S&C) coaches are recommended to deliver motor competency interventions, yet no studies have investigated their perceptions and practices for developing motor competency in youths. Sixty-seven male, and 4 female S&C coaches completed an initial a...
Article
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Purpose: To compare the physical qualities between academy and international youth rugby league (RL) players using principal component analysis. Methods: Six hundred fifty-four males (age = 16.7 [1.4] y; height = 178.4 [13.3] cm; body mass = 82.2 [14.5] kg) from 11 English RL academies participated in this study. Participants completed anthropom...
Article
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This cross-sectional study evaluated the sprint and jump mechanical profiles of male academy rugby league players, the differences between positions, and the associations between mechanical profiles and sprint performance. Twenty academy rugby league players performed 40-m sprints and squat jumps at increasing loads (0–80 kg) to determine individua...
Research
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This research report presents the findings of a unique, multi-country and multi-sport study investigating the participation rates of children in organised youth sport. Participation data were collected for the period 2017-2020 from 18 sports across 27 countries. In total over 5.5 million children and young people were sampled in this study.
Article
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Despite the importance and complexity of developing sprint performance in football code athletes, there are limited studies exploring practitioners' practices to improves Sprinting. Therefore, this study aimed to describe and evaluate the practices used with elite football code athletes to develop sprint performance. Ninety subjects completed a sur...
Article
Full-text available
The purpose of this study was to determine the relationship between matchday wellness status and a technical-tactical performance construct during rugby match-play. One hundred and thirty-three male rugby union players (73 forwards and 60 backs) from five under-18 national squads who participated in the under-18 Six Nations competition completed a...
Article
Full-text available
Background Short-sprint (≤ 20 m) performance is an important quality for success in the football codes. Therefore, developing an evidence base for understanding training methods to enhance short-sprint performance is key for practitioners. However, current systematic reviews are limited by (1) a lack of focus on football code athletes, (2) a lack o...
Article
Full-text available
Entry into an academy can be a defining moment for a promising young player. The aim of this study was to explore the multidimensional characteristics that differentiated selected and non-selected male under-15 rugby union players at an English Premiership academy. Seventy-four players (mean age 14.6 ± 0.3 years: selected n = 29; non-selected n = 4...
Article
Full-text available
Small-sided games is a commonly used training method to develop technical, tactical and physical qualities concurrently. However, a review of small-sided games in rugby football codes (e.g. rugby union, rugby league) is not available. This systematic review aims to investigate the acute responses and chronic adaptations of small-sided games within...
Article
Full-text available
The pathway towards expertise in sport has been studied within different contexts. Various methodological approaches have been used in research to explore the processes of talent identification (TID) and talent development (TD) in rugby union (RU). The aim of this study was to critically review the existing literature on TID and TD in RU in order t...
Article
This study quantified whole and peak physical characteristics of Under (U)14 and U16 elite youth female soccer, and compared by position and age-group. Data was collected using 10 Hz GPS units from 431 match observations, during 50 matches involving 201 players (U14 n = 93; U16 n = 108) representing Regional Talent Centres in The Football Associati...
Article
Full-text available
The purpose of this study was to determine the between-day reliability of the Hamstring Solo for measuring peak eccentric knee flexor force (EKF) during the Nordic hamstring curl. Data were collected on 18 male Professional rugby union players across two testing sessions separated by 7 days. There was no between-session difference in EKF force for...
Article
The purpose of this study was 1) to present the strength, speed and power characteristic of elite youth soccer players and provide benchmark data for strength and conditioning coaches; 2) to compare the speed, strength and power characteristics of youth soccer players by competition structure age categories; and 3) to determine the relationships be...
Conference Paper
Research quantifying physical characteristics of youth female soccer have adopted senior-derived velocity thresholds. This is problematic, as age-related improvements in physical performance may lead to erroneous interpretation of physical data when senior-derived velocity thresholds are applied to youth populations. Research has yet to propose age...
Article
Full-text available
A common practice in youth rugby union is to group players based on (bi)annual age with fixed cut-off dates. The overrepresentation of players born at the start of the cut-off date and the underrepresentation of players born toward the end of the cut-off date are termed relative age effects (RAEs). The aim of this study was to examine RAEs during e...
Article
Full-text available
Purpose Sled towing has been shown to be an effective method to enhance the physical qualities in youth athletes. The aim of this study was to evaluate the impact of a 6-week sled towing intervention on muscular strength, speed and power in elite youth soccer players of differing maturity status. Method Seventy-three male elite youth soccer player...
Article
Full-text available
A plethora of research exists examining the physical qualities of rugby league players. However, no research has investigated practitioners' insights into the use, analysis and perceptions of such fitness testing data that is vital for applying research into practice. Therefore, this study aimed to examine practitioners' (coaches and strength & con...
Article
The purpose of this study was to quantify the technical characteristics of U14 and U16 elite youth female soccer match-play and compare position-specific differences between and within these age groups. A total of 449 match observations from 45 matches were undertaken on 189 players representing Regional Talent Centres in The Football Association’s...
Article
This study aimed to identify which physical and technical-tactical performance indicators (PI) can classify between levels of rugby league match-play. Data were collected from 46 European Super League (ESL) and 36 under-19 Academy (Academy) level matches over two competitive seasons. Thirty-one male ESL players and 41 male Academy players participa...
Article
Full-text available
Scientific innovation can be crucial for maximising athletes’ health and performance, which has resulted in a growing interest in sports science and medicine (SSM). Innovation through research helps develop training models, medical treatments and recovery methods but the practical relevance of some fundamental studies is often hindered by their poo...
Article
Despite literature highlighting numerous risks to the healthy psychosocial development of youth elite academy soccer players, little of this research is based on high-quality research designs. This study employed a prospective longitudinal cohort design to track psychosocial outcomes of academy involvement within male youth elite soccer players (n...
Article
Full-text available
This systematic review and meta-analysis aimed to determine differences in body compositionn between playing standard and age in male rugby union and rugby league athletes. The MOOSE (Meta-analysis of Observational Studies in Epidemiology) guidelines for design, implementation, and reporting were followed. Studies were required to be in male rugby...
Article
Full-text available
Background Rugby union match demands are complex, requiring the development of multiple physical qualities concurrently. Quantifying the physical qualities of age grade rugby union players is vital for practitioners to support athlete preparation and long-term development. Aim This systematic review aimed to identify the methods used to quantify t...
Article
Full-text available
This study aimed to investigate rugby league coaches’ perceptions of physical qualities for current and future performance, while also establishing the training practices of under-16 and under-19 players. Twenty-four practitioners (rugby coach, strength and conditioning coach) working within nine Super League clubs completed a questionnaire. The qu...
Article
Full-text available
Purpose: To evaluate the relative importance and predictive ability of salivary immunoglobulin A (s-IgA) measures with regards to upper respiratory illness (URI) in youth athletes. Methods: Over a 38-week period, 22 youth athletes (age = 16.8 [0.5] y) provided daily symptoms of URI and 15 fortnightly passive drool saliva samples, from which s-Ig...
Article
Full-text available
The modern-day landscape of Olympic and Professional sport is arguably more competitive than ever. One consequence of this is the increased focus on identifying and developing early athletic talent. In this paper, we highlight key challenges associated with talent (athlete) identification and development and propose possible solutions that could be...