Workload and injury incidence in elite football academy players

ABSTRACT

The aim of this study was to prospectively analyse the relationship between workloads and injury in elite football academy players. Elite football academy players (n = 122) from under-19 (U19) and under-21 (U21) of a professional football team competing in UEFA European Cups were followed during 5 seasons. Injuries were collected and absolute workload and workload ratios (4-weeks, 3-weeks, 2-weeks and week-to-week) calculated using a rolling days method with the help of the session Rate of Perceived Exertion. There was no association between absolute workload or workload ratio with the injury incidence in the U19. In the U21, the level of cumulative absolute workloads during 3-weeks (RR = 1.39, p = 0.026) and during 4-weeks (RR = 1.40, p = 0.019) were associated with an increase in injury. There was no association between workload ratio and injury in U21. The significant link between high cumulated 3-weeks and 4 weeks workloads and injury in U21 confirmed the requirement to monitor the internal subjective workload in U21 in order to prevent injury. Further studies exploring the relationships between workload and injury are required in football academy.     

Récupération de l’Information Sémantique en Mémoire: Recouvrement des Connaissances

European Journal of Psychology of Education - Dans cet article, nous avons tenté de montrer toute l’importance des activités de récupération de la représentation...     

Differential-maternal parenting behavior: estimating within- and between-family effects on children

This study examined the impact of differential-maternal parenting behavior, evaluated as a family-level experience, on children's emotional-behavioral problems. Data come from 3 child development studies: 2,128 four- to sixteen-year-olds (Ontario Child Health Study), 7,392 four- to eleven-year-olds (National Longitudinal Study of Children and Youth), and 1,992 three- to fourteen-year-olds (National Longitudinal Study of Youth). In 2 of 3 studies, there was consistent evidence that differential-maternal parenting behavior had an adverse impact on all siblings as a group, over and above parenting directed at individual siblings. The strength of association was sensitive to the type of maternal parenting behavior, dimension of child maladjustment, and respondent perspective (stronger for hostile/negative parenting, child externalizing problems, and mother assessments of child emotional-behavioral problems).     

Journal Peer Review and Editorial Evaluation: Cautious Innovator or Sleepy Giant?

Minerva - Peer review of journal submissions has become one of the most important pillars of quality management in academic publishing. Because of growing concerns with the quality and...     

How communication context impacts judgments of a potential peer mentor

Disclosure is a critical element of interpersonal relationships and individuals are often evaluated on what they share with others, whether in personal, professional, or learning contexts. Technology now allows for many different outlets for communicating with other people. We used experimental methods to explore the impact of communication medium (i.e. print diary, online diary, blog, or email) on psychosocial perceptions of a potential peer mentor. Female participants gave more positive mentor ratings on likeability, likeliness to disclose to the mentor, and perceived closeness than did males, but not on judgments of the mentor’s privacy. Participants judged the mentor to be more private when they viewed the print diary than in the online conditions and when reading the online diary than the blog (the least private condition). We also found that women were more likely to reciprocate disclosure when they viewed disclosures in the print condition than in the blog.     

Engineering graduates’ skill sets in the MENA region: a gap analysis of industry expectations and satisfaction

This study explored gaps between industry expectations and perceptions of engineering graduates’ skill sets in the Middle East and North Africa (MENA) region. This study measured the importance that managers of engineers placed on 36 skills relevant to engineers. Also measured was managers’ satisfaction with engineering graduates’ skill sets. Importance and satisfaction were used to calculate skill gaps for each skill. A principal components analysis was then performed, consolidating the 36 skills into 8 categories. The means of importance, satisfaction, and skill gaps were ranked to determine the areas in which graduates needed improvement. Results showed significant gaps between managers’ expectations of and satisfaction with all 36 skills. The areas in which managers felt that graduates needed most improvement were communication, time management, and continuous learning. Managers reported that recent engineering graduates exhibited low overall preparedness for employment. These findings may help to inform curricular reform in engineering education.     

Measuring Determinants of Student Return VS. Dropout/Stopout VS. Transfer: A First-to-Second Year Analysis of New Freshmen

To reflect academic challenges and enrollment patterns of today’s freshmen, this study measures the impact of high school preparation, first-year academic performance, multi-institution enrollment, and financial aid support on second-year persistence. Using multi-year cohorts at a public research university, results confirm the importance of including first-year math experience, math intensity of the declared major, simultaneous enrollment at another college/university, and second-year financial aid offers when measuring freshmen retention. The positive impact of a large-scale, state-funded scholarship program in widening access to college must be balanced against findings that show academic performance and readiness to take on and pass first-year math to be more important than aid in explaining freshmen dropout and transfer-out during both first and second semesters. Middle-income students with greater levels of unmet need face an elevated departure risk, while academically well-prepared freshmen with unmet need are more likely to transfer to other institutions.     

During early to mid adolescence,moderate to vigorous physical activity is associated with restoring sleep,psychological functioning,mental toughness and male gender

Numerous studies showed that regular physical activity (PA) is associated with both favourable and restorative sleep and improved psychological functioning (PF). However, there is little research on the topic covering the early to mid-adolescence period. Moreover, curiosity and exploratory behaviour (CEB) and mental toughness (MT) as a result of PA remains thus far uninvestigated, as do possible gender differences. The aim of the present study was to explore the associations between PA, subjective sleep (sS), PF, CEB, and MT during early to mid-adolescence. A total of 1361 participants (mean age = 13.37 years; range: 11–16 years; 51.2% female) took part in the study. They completed questionnaires covering PA, sS, PF, CEB, and MT. Greater PA was related to improved PF, better sS, and increased CEB and MT. Compared to male participants, females reported less PA, poorer sS, and had lower PF and MT scores. The present pattern of results suggests that during early and mid-adolescence greater PA was associated with more favourable sS and better PF, including CEB and MT, and that female participants reported lower scores in PA, sS, and PF. Accordingly, if PA has a favourable impact on sleep and psychological functioning, then data suggest that sports participation should be more tailored to increase motivation among female adolescents.     

The trouble with assimilation: Social dominance and the emergence of hostility against immigrants

In exploring the “status boundary enforcement hypothesis,” Thomsen, Green and Sidanius (2008) theorized and confirmed that Social Dominance Orientation would be more strongly correlated with a general willingness to aggress against immigrants when respondents are primed with an immigrant who is eager to assimilate into the dominant culture than when they are primed with an immigrant who prefers cultural isolation (separation). However, because assimilation differs from separation on both the home culture component and the host culture component, the actual source of this effect remains unclear. By using an assimilation versus integration contrast that differ only on the home culture component, the present study confirmed and extended Thomsen et al.’s findings. We were able to conclude that this counter intuitive effect, at odds with most research in this area, is primarily driven by people with high SDO having more negative reactions to immigrants’ willing to abandon their original cultures rather than to immigrants wanting to maintain contact with the host culture. The theoretical implications of these findings are discussed.