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The body of evidence has shown that the external focus of attention (EF) rather than the internal focus of attention (IF) enhances motor skill learning and performance. Within racket sports which require a high level of motor control, anticipation skills, and mental preparedness, effectively directing attention is essential to elicit improvements in athletic performance. The present review aimed to evaluate the scientific evidence concerning the effects of attentional focus instructions on motor learning and performance in racket sports. We systematically reviewed the literature according to the Preferred Reporting Items for Systematic Review and Meta-Analyses (PRISMA) guidelines. The study was registered with the Open Science Framework (osf.io/m4zat). Four electronic databases (Web of Science, Scopus, MEDLINE, and SPORTDiscus) were searched for original research publications. Inclusion criteria were: peer-reviewed journals; healthy and free from injury participants; attentional focus literature specific to the external or internal focus; attentional focus related to motor learning or motor performance; studies included at least one comparator (e.g., different attentional focus group, or control groups with neutral or no specific instruction); publications in which task(s) or skill(s) related to one of the racket sports (tennis, table tennis, badminton, squash, or padel). The initial search yielded 2005 studies. Finally, 9 studies were included in the quantitative analysis. Overall, the results indicated that EF benefits the learning and performance of racket sport skills, compared to IF and over control conditions. The findings suggest that coaches and practitioners should consider the adoption of EF to optimize racket skills performance, particularly in novice or low-skilled athletes.

The contextual interference (CI) approach has proposed that a random order of practice for motor skills is superior in facilitating learning compared to a blocked arrangement of practice trials. Two groups of physical education students learned sprint hurdles, employing either an increasing CI practice schedule (n = 23) or a blocked practice schedule (n = 23). In both the practice schedules, the same exercises were used in a different trial order during each learning session. Eleven practice sessions were conducted over a period of six weeks, with two days of practice per week. Ten and 40 days after the acquisition phase, a retention and transfer test were conducted. The results showed no differences between the two practice schedules during the retention tests. However, students practicing with an increasing CI arrangement performed better on the delayed transfer test compared to students which practiced with a blocked schedule. Specifically, the increasing CI group more effectively ( p < 0.05) cleared the hurdles due to a lower take-off step angle and longer step length than the blocked practice group. Although utilizing an increase in CI during the learning phase of sprint hurdling produced more persistent learning effects relative to a traditional blocked practice schedule for adult novice learners, further research is warranted to explore the CI effect across a broader range of sport skills.

Fundamental motor skills (FMS) are essential for enjoyable, confident and skillful participation in physical activity across the lifespan. Due to the alarming low level of FMS proficiency in children and adolescents worldwide, the development of motor competency is an urgent issue for physical education. The promotion and implementation of a systematic process of teaching and learning FMS should be a physical education priority. Accordingly, effective assessment tools for evaluating FMS should be adopted or developed. Because FMS assessment for both children and adolescents need further effective solutions, the primary aim of this study was to develop the new age-related test of FMS (Fundamental Motor Skills in Sport test, in Polish : Test Fundamentalnych Umiejętności Ruchowych w Sporcie, FUS). The secondary aim of this study was to establish validity and inter-rater, intra-rater, test-retest reliabilities and internal consistency of the FUS test. The FUS test involves six sport skill-based tasks: hurdling, jumping rope, forward roll, ball bouncing, throwing and catching a ball, and kicking and stopping a ball. Two hundred sixty-four Polish students in grades 1–3 (7–9 yrs; n  = 81), 4–6 (10–12 yrs; n  = 89) and 7–8 (13–14 yrs; n  = 94), including 139 girls and 125 boys completed the FUS test. The content validity index for all items was notably high. Both inter-rater and intra-rater reliability showed substantial to almost perfect agreement, with observed agreements for FUS skills between 78.5 and 93.1%. Ball bouncing had a moderate correlation with the forward roll and throwing and catching, while other correlations were low or insignificant. ICC values, ranging from 0.95 to 0.97, confirmed excellent test-retest reliability. The results of our study provide evidence that the FUS test is valid, reliable, and feasible to administer in school settings. Therefore, this tool test has the potential to support deliberate practice and improve motor competence by providing a standardized and structured approach to measuring FMS among school-aged children and adolescents. Key points The FUS test is a valid, reliable, feasible and user-friendly tool for FMS assessment of children and adolescent in school settings. The FMS utilized in the FUS test is based on a wide range of FMS involved in various sports and lifetime activities that are popular across the world. This comprehensive approach to motor skill development allows the FUS test to assess a broad range of skills and provide a holistic evaluation of a child’s motor function. By incorporating a variety of activities and movements, the FUS test can also help children develop a diverse set of motor skills that can be applied to different physical activities throughout their lives. The FUS test may enhance motivation and support deliberate practice of FMS by providing a structured framework for assessment and feedback. The test allows children to track their progress over time and identify areas for improvement, which can help to build self-efficacy and encourage continued engagement in physical activity.

Mixed martial arts (MMA) involve repeated high-intensity, explosive actions that cause substantial fatigue, underscoring the importance of effective recovery strategies. This pilot study investigated short-term performance responses to different post-exercise recovery interventions in Polish MMA athletes. Sixteen athletes (14 males and 2 females) were randomly assigned to cryosauna (CRYO), cold-water immersion (CWI), foam rolling (FR), or passive recovery (CON), with 4 participants per group. The intervention lasted two weeks, with the assigned recovery intervention applied after each training session. Performance was evaluated before and after the intervention using the countermovement jump (CMJ), isokinetic knee peak torque (flexion and extension), and reactive stress tolerance of the determination test (DT). Data were analyzed using mixed-design ANOVA. CMJ performance improved over time across groups. FR significantly increased knee extension (from 228.67 ± 26.49 N.m to 250.50 ± 22.41 N.m), whereas DT scores significantly increased in the CRYO group (from 247.50 ± 12.50 AU to 291.50 ± 15.61 AU) and significantly decreased in the CON group (from 290.25 ± 24.45 AU to 255.50 ± 24.18 AU). Significant Time × Group interactions were observed for DT ( < 0.001) and knee extension torque ( = 0.008). FR appeared beneficial for knee extension performance, whereas CRYO was associated with improved DT performance. Findings are exploratory and need confirmation in larger, controlled studies.

This study investigated the immediate and cumulative effects of attentional focus (external vs. internal), practice autonomy, and their combination on soccer penalty kick performance. Methods: Ninety physically active male university students (average age 22.8 ± 1.5 years) were selected from a pool of 330 students who completed a 60 h university soccer course. Participants were randomly divided into six groups: external focus with target choice (EF-TC), external focus without target choice (EF-NTC), internal focus with target choice (IF-TC), internal focus without target choice (IF-NTC), autonomy support (AS), and a control group (C). Results: The EF-TC group demonstrated significantly higher accuracy than the IF-TC, IF-NTC, and C groups while performing comparably to the EF-NTC and AS groups in between-group analyses. Notably, the EF-NTC group showed the largest within-group improvement from pre-test to acquisition. Conclusions: The findings indicate that combining attentional focus with practice autonomy enhances the accuracy of penalty kicks, emphasizing the potential of tailored training methods for improving penalty kick performance in soccer.

The main purpose of this study was to systematically review the effects of feedback on motor skill acquisition in gymnastic skills. A systematic literature search was conducted in the electronic databases MEDLINE (EBSCO), Scopus, SPORTDiscus (EBSCO), and Web of Science. Of the initial 743 search articles, 13 studies were included in the quantitative analysis. Studies were included if they met the following criteria: (a) healthy subjects, (b) studies with gymnastic, artistic gymnastic, or trampoline elements in the study protocol, (c) verbal feedback intervention, (d) the study compared verbal feedback intervention with other forms of feedback, instructional intervention, or with a control intervention, and (e) task performance evaluation. Methodological quality was identified using the PEDro scale. Combining verbal instructions with different forms of feedback is beneficial when learning complex gymnastic skills. Verbal feedback may be useful to improve the technical performance of a gymnastic element; in particular, information regarding the errors committed in a key element of the performance seems to be effective in the motor learning process.

Background The holistic focus of attention due to promising motor learning and performance benefits constitutes an desired direction for scientific investigations in sports settings. However, the generalizability of its effect on various motor skills in table tennis requires further investigation. The study aimed to determine the impact of holistic focus of attention and proximal and distal external focus on the accuracy of the table tennis forehand stroke in low-skilled players. Methods Eighty undergraduate physical education students were randomly assigned one of four groups: focus on the ball (GPEF, n  = 20), focus on targets marked on the tennis table (GDEF, n  = 20), focus on feeling smooth and fluid when playing (GHF, n  = 20), and control group was subjected to none of the experimental factors (CNTRL, n  = 20). The participant’s task was to score as many points as possible by hitting the ball using the forehand technique in table tennis inside the three smallest targets marked on the tennis table. The data were analysed using one-way ANOVA and mixed-ANOVAs with repeated measures on the last factor. Post-hoc pairwise comparisons (Fisher LSD test) were conducted to estimate the statistical significance of the intra-differences between the results. Partial Eta squared and Cohen’s d were calculated to estimate effect size. Results The highest improvement of score results was observed in the group with focus on feeling smooth and fluid when playing, while the lowest was observed in the group with focus on the ball both on the post-test and delayed retention test. Nevertheless, each group significantly improved their score results on the post-test and the delayed retention test, which indicates that holistic focus, proximal and distal external focus, had similar effects on the accuracy of the table tennis forehand stroke in low-skilled players. Conclusions The study found that holistic focus and proximal and distal external focus are equally effective in improving the accuracy of the table tennis forehand stroke for players with lower skill levels. We recommend that coaches and practitioners use holistic and external attentional focus cues to enhance motor skill performance in table tennis. For example, when teaching or improving the table tennis strokes, coaches can apply a holistic cue like “focus on smoothing out your wrist movement” or an external cue like “focus on the target area of the table”.

Traditional, assisted and resisted plyometrics are considered to be effective training methods for improving vertical jump performance. The purpose of this systematic review and meta-analysis was to compare effectiveness of traditional, assisted and resisted plyometric methods on vertical jumping ability in adults. Available literature was searched using MEDLINE (via EBSCO), SPORTDiscus (via EBSCO), Scopus and Web of Science databases. The methodological quality of studies was assessed using the PEDro scale. Peer-reviewed studies were accepted only if they met all eligibility criteria: (a) healthy adults mean age > 18 years (b) training program based on plyometric exercises (c) the study reported on vertical jump height for the countermovement jump or drop jump performance. Of the 5092 articles identified, 17 studies were included in the qualitative and quantitative analyses. Both funnel plot analysis and Egger's test (p = 0.04) indicated publication bias for the comparison of resisted plyometrics and control condition. No publication bias was found for the other meta-analyses (p > 0.05). The effects of the traditional and assisted plyometric methods, when compared with the control condition (a non-plyometric condition), on jump height were moderate (SMD = 0.68, 95% CI 0.37 to 0.99, p < 0.0001; SMD = 0.70, 95% CI 0.20 to 1.20, p = 0.006, respectively). The effects of the resisted plyometric methods, when compared with the control condition, on a jump height was small (SMD = 0.48, 95% CI 0.17 to 0.79, p = 0.002). There were no significant differences between the training effects of the assisted and traditional plyometric interventions on jump height (SMD = 0.62, 95% CI -1.66 to 2.91, p = 0.59), nor between the resisted and traditional plyometric training programs (SMD = 0.2, 95% CI -0.19 to 0.23, p = 0.86). Traditional, assisted and resisted plyometric methods are effective training modalities for augmenting vertical jump performance in healthy adults. Resisted and assisted plyometric methods are equally effective as the traditional plyometric method in improving vertical jumping ability in healthy adults.

Ensuring internal validity is the key procedure when planning the study design. Numerous systematic reviews have demonstrated that considerations for internal validity do not receive adequate attention in the primary research in sport sciences. Therefore, the purpose of this study was to review methodological procedures in current literature where the effects of resistance training on strength, speed, and endurance performance in athletes were analyzed. A computer-based literature searches of SPORTDiscus, Scopus, Medline, and Web of Science was conducted. The internal validity of individual studies was assessed using the PEDro scale. Peer-reviewed studies were accepted only if they met all the following eligibility criteria: (a) healthy male and female athletes between the ages of 18-65 years; (b) training program based on resistance exercises; (c) training program lasted for at least 4 weeks or 12 training sessions, with at least two sessions per week; (d) the study reported maximum strength, speed, or endurance outcomes; and (e) systematic reviews, cohort studies, case-control studies, cross-sectional studies were excluded. Of the 6,516 articles identified, 133 studies were selected for rating by the PEDro scale. Sixty-eight percent of the included studies used random allocation to groups, but only one reported concealed allocation. Baseline data are presented in almost 69% of the studies. Thirty-eight percent of studies demonstrated adequate follow-up of participants. The plan to follow the intention-to-treat or stating that all participants received training intervention or control conditions as allocated were reported in only 1.5% of studies. The procedure of blinding of assessors was also satisfied in only 1.5% of the studies. The current study highlights the gaps in designing and reporting research in the field of strength and conditioning. Randomization, blinding of assessors, reporting of attrition, and intention-to-treat analysis should be more fully addressed to reduce threats to internal validity in primary research.

With the premise that physical education classes should promote physical activity by teaching and learning fundamental motor skills, this study aimed to evaluate the fundamental motor skill proficiency of primary school students and determine the level of achievement of established learning outcomes for fundamental motor skills, as specified in the Polish National Physical Education Curriculum. A cross-sectional design was used for this study. The sample consisted of 2605 children and adolescents enrolled in grades 1–3 (ages 7–9, n = 1165), 4–6 (ages 10–12, n = 837), and 7–8 (ages 13–14, n = 603), including 1353 boys and 1252 girls. The Fundamental Motor Skills in Sport test, a qualitative and process-oriented assessment tool, was used to evaluate fundamental motor skills. The Fundamental Motor Skills in Sport test evaluates the following movement skills: hurdles, jumping rope, forward roll, ball bouncing, ball throwing and catching, and kicking and stopping a ball. The desired level of overall fundamental motor skill proficiency was achieved by only 2 % of students. An elementary level of fundamental motor skill proficiency was demonstrated by an additional 3.5 % of students. Further, the results showed that only 10–30 % of students had achieved mastery or were close to achieving mastery in a given fundamental motor skill. The skill with the lowest level of proficiency was jumping rope, which only 11 % of students had mastered or were near to mastering. The present study of a large, nationally representative sample of primary school students in Poland indicates that the vast majority (approximately 94 %) of them demonstrated insufficient fundamental motor skill proficiency. This may greatly hinder effective, safe, and healthy participation in lifelong physical activity.