Participation in organized sports is promoted as a means of increasing physical activity levels and reducing chronic disease risk in adults. Hard martial arts practice (i.e. using body contact techniques), has gained in popularity over time. This review explores the evidence for health benefits of “hard” martial arts practice within the adult population. A systematic electronic database search was conducted, and quality assessments applied the Effective Public Health Practice Project tool. Twenty-eight studies met the inclusion criteria, examining balance, cognitive function, muscular skeletal status, psychological, cardiovascular fitness, and metabolic effects. The majority of studies reported positive effects resulting from hard martial arts practice, showing some improvement and maintenance of balance, cognitive function and psychological health. Benefits may be obtained regardless of the age of practice commencement. However, quality of the evidence is affected by methodological weaknesses across the studies. “Hard” martial arts seem to have potential to improve balance and cognitive functions that decline with age, which can lead to poorer health outcomes among the elderly (e.g. cognitive decline, falls and fractures). Benefits should be further investigated with improved intervention studies, representative samples and longer follow-up periods in order to establish associations with morbidity and mortality in the long term.

Background: The dynamic nature of physical education (PE) requires careful consideration of lesson planning and delivery in order to promote health and wellbeing and to achieve various learning goals. One such goal is promoting personal and social development to support students to value and lead a healthy and active lifestyle, especially during transition into adolescence. In order to design learning environments that support students’ engagement in PE, it is important to understand how outcomes such as motor competence (MC) influence motivation for PE. There are two approaches to understand MC, actual and perceived MC, and both have implications for healthy lifestyles in childhood and adolescence. Therefore, this study examined associations of actual and perceived MC with young adolescents’ motivation for PE. Method: A sample of 236 students 11–14 years of age (M = 13.01, SD = .72) participated in the study. Assessments included actual MC (Körperkoordinations test for Kinder; KTK), perceived MC (self-administered form of the pictorial scale of Perceived Movement Skill Competence; PMSC) and motivation for PE (Perceived Locus of Causality Scale; PLOC). Polynomial regression with Response Surface Analyses were conducted to examine the influence of actual and perceived MC on motivation for PE. Findings: The results showed weak-to-moderate positive associations of actual and perceived MC with students’ motivation for PE. Perceived MC explained about 12% of the variance of student’s self-determined motivation towards PE. This effect was larger in students with lower levels of perceived MC compared to students with higher levels of perceived MC. Discussion: Taking into account that both actual and perceived MC are synergistically related but only perceived MC explains self-determined motivation, our results suggest that perceived MC is an important factor to consider when attempting to promote an active and healthy lifestyle. Using the developmental model of motor competence [Stodden et al. 2008 Stodden, David F. , Jacqueline D.Goodway, Stephen J.Langendorfer, Mary AnnRoberton, Mary E.Rudisill, ClersidaGarcia, and Luis E.Garcia . 2008. “A Developmental Perspective on the Role of Motor Skill Competence in Physical Activity: An Emergent Relationship.” Quest 60 (2): 290–306. doi:10.1080/00336297.2008.10483582. [Taylor & Francis Online], [Web of Science ®] , [Google Scholar] . “A Developmental Perspective on the Role of Motor Skill Competence in Physical Activity: An Emergent Relationship.” Quest 60 (2): 290–306] and self-determination theory [Deci and Ryan 2000 Deci, Edward L. , and Richard R.Ryan . 2000. “The “What” and “Why” of Goal Pursuits: Human Needs and the Self-Determination of Behavior.” Psychological Inquiry 11 (4): 227–268. doi:10.1207/S15327965PLI1104_01. [Taylor & Francis Online], [Web of Science ®] , [Google Scholar] . “The “What” and “Why” of Goal Pursuits: Human Needs and the Self-Determination of Behavior.” Psychological Inquiry 11 (4): 227–268. doi:10.1207/S15327965PLI1104_01], we discuss the findings in relation to the importance of considering perceived MC as an explicit outcome in the PE curriculum. Conclusion: During early adolescence, PE programs should not only focus on teaching movement skills but also fostering perceived MC in order to promote motivation for PE, especially among students with lower levels of self-perception. For this, pedagogical approaches such as need supportive teaching derived from self-determination theory can be used to help students become competent, confident and motivated movers.

The execution distance is a tactic factor that affects mechanical performance and execution technique in taekwondo. This study analyzes the roundhouse kick to the head by comparing the maximum impact force, execution time, and impact time in 3 distances according to the athletes' competition level. It also analyzes the relationship between impact force and weight in each group. It examines whether the execution distance affects the maximum impact force, execution time, and impact time, in each level group or 2 different competition levels. Participants were 27 male taekwondo players (13 medallists and 14 nonmedallists). The medallists executed the roundhouse kick to the head with greater impact force and in a shorter execution time than did the nonmedallists when they kicked from any distance different to their combat distance. However, the results showed that the execution distance is influential in the execution time and impact time in the nonmedallist group. It is considered appropriate to orientate the high-level competitors to train for offensive actions from any distance similar to the long execution distance because it offers equally effectiveness and a greater security against the opponent. Also, practitioners should focus their training to improve time performance because it is more affected by distance than impact force.

In the context of education, this study examined the relationship between perceiving a transformational physical education (PE) teacher and student’s leisure-time physical activity (PA). Furthermore, we tested the potential mediation role of motivational learning climate, passion and self-determined motivation in this relationship. The sample was composed of 2210 high-school PE students (1145 males, 1065 females) between 16 and 20 years of age. Results of structural equation modeling revealed that the perceived transformational PE teacher–PA outcomes relationship was stronger when students perceived a task-involving climate, when they were harmoniously passionate, and when they were self-determined. We conclude that students’ health-enhancing behaviours could be improved if their PE teachers use transformational teaching style and created a task-oriented learning climate.