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A Collective Case Study of Parent–Athlete–Coach Triads in British Youth Tennis

Ella F. Tagliavini, Chris G. Harwood, Sophia Jowett, and Sam N. Thrower

While important for athletic development and well-being in youth sport, knowledge remains limited around the processes underpinning triadic relationships between parents, athletes, and coaches. This study aimed to examine the relational processes that drive the functioning of parent–athlete–coach triads across three developmental stages of youth tennis. Using a collective-case-study design, 10 players, 10 coaches, and 9 mothers completed preinterview tasks and semistructured interviews and provided conversational history. Reflexive thematic analysis led to the generation of two higher order themes: foundations of relationship quality and factors enabling team effectiveness. Findings highlighted how specific relationship qualities (i.e., commitment, trust, respect, and parent–coach proximity) and team effectiveness constructs (i.e., shared goals, collaborative and adjusted roles, support, and role-specific communication) served to facilitate the tennis experience for triads. Scholars are encouraged to consider integrating small-group principles (e.g., team building) into tailored support programs that address the psychosocial needs of the triad.

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Curriculum Alignment: Doing Kinesiology as We Mean It

Ang Chen

Based on the lessons learned from history and articulation of paradigm change in science, this article clarifies the concept of curriculum alignment and describes the risk of curriculum disalignment between school physical education and kinesiology. Through contextualizing kinesiology as an integrated science, it explains the difference between a discipline and a field (subdiscipline) and argues that K–12 physical education is an integral and indispensable component of kinesiology. The article provides detailed discussions about the historical reasons/events that might have led to the curriculum disalignment and the ways the disalignment can be understood and addressed. Based on the analysis, a four-pillar framework (science, health, culture, and education) is proposed as a platform for “doing kinesiology” and a way to address the curriculum disalignment crisis.

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Effects of Timing and Types of Protein Supplementation on Improving Muscle Mass, Strength, and Physical Performance in Adults Undergoing Resistance Training: A Network Meta-Analysis

Huan-Huan Zhou, Yuxiao Liao, Xiaolei Zhou, Zhao Peng, Shiyin Xu, Shaojun Shi, Liegang Liu, Liping Hao, and Wei Yang

Precise protein supplementation strategies for muscle improvement are still lacking. The timing or type of protein supplementation has been debated as a window of opportunity to improve muscle mass, strength, and physical performance. We conducted a network meta-analysis of randomized controlled trials with protein supplements and resistance training. PubMed, Web of Science, Cochrane Library, and SPORTDiscus databases were searched until May 1, 2023. We included 116 eligible trials with 4,711 participants that reported on 11 timing and 14 types of protein supplementation. Compared with placebo, protein supplementation after exercise (mean difference [MD]: 0.54 kg [95% confidence intervals 0.10, 0.99] for fat-free mass, MD: 0.34 kg [95% confidence intervals 0.10, 0.58] for skeletal muscle mass) and at night (MD: 2.85 kg [0.49, 5.22] for handgrip strength, MD: 12.12 kg [3.26, 20.99] for leg press strength) was most effective in improving muscle mass and strength, respectively (moderate certainty). Milk proteins (milk, whey protein, yogurt, casein, and bovine colostrum), red meat, and mixed protein were effective for gains in both muscle mass and strength (moderate certainty). No timing or type of protein showed a significant enhancement in physical performance (timed up-to-go test, 6-min walk test, and gait speed). Pre/postexercise and Night are key recommended times of protein intake to increase muscle mass and strength, respectively. Milk proteins are the preferred types of protein supplements for improving muscle mass and strength. Future randomized controlled trials that directly compare the effects of protein timing or types are needed. This trial was registered at International Prospective Register of Systematic Reviews as CRD42022358766.

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Erratum. Do Fundamental Movement Skill Domains in Early Childhood Predict Engagement in Physical Activity of Varied Intensities Later at School Age? A 3-Year Longitudinal Study

Journal of Motor Learning and Development

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“Futures—Past,” A Reflection of 40 Years of the Sociology of Sport Journal: An Introduction

Letisha Engracia Cardoso Brown, Chen Chen, Tomika Ferguson, Courtney Szto, Anthony Jean Weems, and Natalie Welch

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Volume 16 (2023): Issue 4 (Dec 2023)

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Volume 18 (2023): Issue 12 (Dec 2023)

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Volume 6 (2023): Issue 4 (Dec 2023)

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Volume 31 (2023): Issue 6 (Dec 2023)

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Volume 39 (2023): Issue 6 (Dec 2023)