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Articles 1 - 30 of 753
Full-Text Articles in Kinesiology
Joint Associations Of Physical Activity And Mindfulness Meditation With 12‑Month Self‑Rated Health Change Among U.S. Adults: A National Health Interview Survey Study, Yubing Wang
International Journal of Physical Activity and Health
Background: Lifestyle medicine emphasizes scalable behaviors that improve patient-centered health trajectories. Physical activity (PA) and mindfulness meditation are widely promoted, but nationally representative evidence on their joint engagement is limited. Methods:We analyzed adults from the 2012 and 2017 National Health Interview Survey (n=57,166). Guideline-level leisure-time PA and past-year mindfulness meditation formed four groups: Neither, PA only, Meditation only, and Both. The outcome was reporting better versus same or worse health relative to 12 months earlier. Survey-weighted models estimated adjusted probabilities, probability differences (PDs), and prevalence ratios (PRs). Results: Adjusted probabilities were 32.3% for Both, 27.7% for Meditation only, 22.4% …
Leveraging Mobile Health To Prevent Coronary Artery Disease Through Physical Activity Promotion Among Underserved Youth, Alina Yang, Jessh M. Mavoungou, Matthew C. Miller, Zarmina Amin, Zan Gao
Leveraging Mobile Health To Prevent Coronary Artery Disease Through Physical Activity Promotion Among Underserved Youth, Alina Yang, Jessh M. Mavoungou, Matthew C. Miller, Zarmina Amin, Zan Gao
International Journal of Physical Activity and Health
Coronary artery disease (CAD) develops earlier than often recognized, with underserved youth facing disproportionate cardiometabolic risk. Low participation in moderate-to-vigorous physical activity (PA) is a key driver. This viewpoint explores how mobile health (mHealth) technologies can serve as tools to increase PA engagement among underserved youth, guided by a combined Self-Determination Theory and RE-AIM (Reach, Effectiveness, Adoption, Implementation, and Maintenance) framework. It highlights current barriers to mHealth adoption, limited cultural relevance, engagement challenges, and accessibility gaps, and presents key considerations for designing culturally informed, age-tailored, and youth-centered mHealth interventions. Overall, the paper calls for a more inclusive and targeted approach …
The Mediating Effect Of Physical Activity On Mental Health Among Sexual Minority Adolescents During Covid-19, You Fu, Ryan D. Burns, Hayley Almes, Xiangren Yi, Nora Constantino
The Mediating Effect Of Physical Activity On Mental Health Among Sexual Minority Adolescents During Covid-19, You Fu, Ryan D. Burns, Hayley Almes, Xiangren Yi, Nora Constantino
International Journal of Physical Activity and Health
Purpose: Adolescents identifying as a sexual minority frequently experience mental health issues exacerbated by the COVID-19 pandemic. Physical activity (PA) has numerous benefits for mental health and emotional development. The purpose of this study was to examine the mediating effect of PA on the association between sexual minority status and mental health among adolescents during COVID-19. Methods: A sample of adolescents (grades 9-12) completed the online Adolescent Behaviors and Experiences Survey (ABES; N = 7677; 49.6% male) in 2021. The independent variable in this study was a recorded binary response item asking about sexual orientation. The dependent variable was a …
The Meaning Of Physical Activity In The Context Of Health Sciences: A Concept Analysis, Martín G. Farinola
The Meaning Of Physical Activity In The Context Of Health Sciences: A Concept Analysis, Martín G. Farinola
International Journal of Physical Activity and Health
Physical activity has been defined in numerous ways. Thus, this study aimed to conduct a concept analysis of the existing physical activity definitions in the health sciences literature to evaluate its conceptual precision and assess the need for a revised or novel concept better suited for this domain. The concept analysis was accomplished using tools derived from philosophical semantics. The analysis identified six definitions that explicitly state what physical activity is with sufficient clarity to allow for conceptual examination. The findings indicated that these definitions frequently merge the concept of physical activity with its contextual attributes. To address these semantic …
Muscular Fitness Levels Of U.S. Children And Adolescents, Daniel J. Mcdonough, Yong Gao, Lynda B. Ransdell, Haichun Sun
Muscular Fitness Levels Of U.S. Children And Adolescents, Daniel J. Mcdonough, Yong Gao, Lynda B. Ransdell, Haichun Sun
International Journal of Physical Activity and Health
Purpose: To describe muscular fitness (MF) levels and percentile benchmarks among U.S. children and adolescents aged 6–15 years old across sociodemographic, physiological, and behavioral subgroups. Methods: Data were from the 2012 NHANES National Youth Fitness Survey (NNYFS). Four strength tests consisting of the plank, knee extension, modified pull-up, and handgrip, were analyzed by age, sex, race/ethnicity, income, BMI category, cardiorespiratory fitness (CRF), and physical activity (PA) among 1,234 participants (51% male) using SAS SURVEY procedures. Results: Mean ± SEM scores were 69.6 ± 1.8 s (plank), 56.6 ± 4.2 lb (left) and 59.2 ± 4.3 lb (right) knee extension, 5.5 …
Social Support And Mental Toughness As Predictors Of Perceived Stress Among College Kinesiology Students, Jianmin Guan, Wan Xiang Yao, Xiaofen D. Hamilton, Gaofeng Lu
Social Support And Mental Toughness As Predictors Of Perceived Stress Among College Kinesiology Students, Jianmin Guan, Wan Xiang Yao, Xiaofen D. Hamilton, Gaofeng Lu
International Journal of Physical Activity and Health
Drawing on Lazarus and Folkman’s transactional theory of stress and coping, this study examined the associations of age, gender, three types of social support (family, friends, and significant others), and mental toughness with two dimensions of perceived stress (helplessness and coping inefficacy) among 666 college students majoring in Kinesiology. Hierarchical multiple regression analysis revealed that male college students, as well as those with higher levels of mental toughness and family support, reported significantly lower levels of helplessness and coping inefficacy in managing stress. Additionally, greater support from friends was significantly associated with lower levels of coping inefficacy, while younger students …
Gender Differences In College Students’ Physical Activity Self-Efficacy, Social Comparison Beliefs, And External Frames Of Reference, Ken Murfay, Sarah Pyszczynski, Sarah Collins
Gender Differences In College Students’ Physical Activity Self-Efficacy, Social Comparison Beliefs, And External Frames Of Reference, Ken Murfay, Sarah Pyszczynski, Sarah Collins
International Journal of Physical Activity and Health
This study examined whom college-aged individuals believe observing would more likely increase their physical activity self-efficacy (PASE) for a physical skill, whom they are more likely to compare their abilities to within a physical education (PE) class, how often they compare themselves to others in PE, and what students’ PASE scores were. Based on the mean scores for each question, students were more likely to compare themselves to a student than a teacher, friend than a non-friend, and similar or higher skilled peer than a lower skilled peer. To increase students’ confidence for a physical skill, students had higher levels …
A067: Improving Children's Community-Based Sports Coaching Service Quality: An Sor Model Analysis, Xiaozhe Yang, Chenglong Wang, Lei Zhang
A067: Improving Children's Community-Based Sports Coaching Service Quality: An Sor Model Analysis, Xiaozhe Yang, Chenglong Wang, Lei Zhang
International Journal of Physical Activity and Health
In recent years, children’s community-based sports coaching has experienced rapid growth due to its convenience, safety, and tailored approach. However, parents’ trust in the quality of coaching services significantly impacts development. This study, grounded in the stimulus-organism-response (SOR) model, examines how service quality (stimulus) influences parental trust (organism) and their intention to utilize such services (response) from the perspective of parental trust. It analyzes existing service issues and proposes measures to enhance service quality, offering practical guidance for institutions and coaches. Method: This study combined the use of questionnaires and semi-structured interviews. First, questionnaires were distributed to 300 parents to …
A089: Value Reconstruction And Practical Dimensions Of Ai-Empowered Reform In University Physical Education, Shuqing Ma, Fengmai Pang, Haixia Wang, Yiqing Lu
A089: Value Reconstruction And Practical Dimensions Of Ai-Empowered Reform In University Physical Education, Shuqing Ma, Fengmai Pang, Haixia Wang, Yiqing Lu
International Journal of Physical Activity and Health
Driven by educational digital transformation and the iterative advancement of artificial intelligence (AI), university physical education is undergoing a paradigm shift from an "experience-driven" to a "data-driven" model. Method: Based on the theoretical framework of digital educational transformation, this study systematically explores the value positioning, technical pathways, and practical challenges of AI in reforming physical education. Artificial Intelligence intervenes in pedagogical change through three important domains and reveals multiple realities of obstruction in current practice: Instructional Mode: By leveraging intelligent perception and learning analytics technologies, AI establishes personalized exercise prescription systems, transitioning from standardized teaching to precision-guided instruction. Evaluation System: …
A150: Aerobic Exercise And Caloric Restriction Modulate Macrophage Polarization And Nlrp3 In Liver Tissue Of Obese, Siyang Wang, Chunyan Xu
A150: Aerobic Exercise And Caloric Restriction Modulate Macrophage Polarization And Nlrp3 In Liver Tissue Of Obese, Siyang Wang, Chunyan Xu
International Journal of Physical Activity and Health
To investigate the effects of aerobic exercise, caloric restriction, and their combined intervention on NLRP3 inflammasome activation and macrophage M1/M2 polarization in the liver of db/db mice, and to elucidate their potential mechanisms in alleviating hepatic inflammation. Thirty-two mice were randomly divided into four groups (n=8/group): control (CON), aerobic exercise (AE), caloric restriction (CR), and combined intervention (ECR). The AE group underwent treadmill running at 50%-55% VO2max for 1 h/day, 5 days/week. The CR group received 70% of the CON group’s daily food intake. The ECR group combined both interventions for 12 weeks. Body weight and food intake were monitored …
A298: Improving Preschool Teachers' Physical Education Abilities Through Digitalization: Pathways And Strategies For Enhancement, Zeying Miao
International Journal of Physical Activity and Health
The digital transformation of preschool physical activities is crucial for improving the quality of physical education in kindergartens, promoting educational outcomes, and supporting national educational development. However, many preschool teachers lack the knowledge and skills required for intelligent teaching, especially in applying artificial intelligence technologies, resulting in superficial and ineffective digital transformation. This issue stems from the insufficient digital teaching abilities of preschool teachers. This study aims to analyze the current state of these abilities, identify influencing factors, and propose practical improvement pathways to support the digital transformation of preschool physical activities. Method: This study employed a questionnaire survey method, …
A288: The Influence Of Physical Literacy On Physical Activity: The Mediating Role Of Sport Commitment, Ying Yu, Jiabin Lin
A288: The Influence Of Physical Literacy On Physical Activity: The Mediating Role Of Sport Commitment, Ying Yu, Jiabin Lin
International Journal of Physical Activity and Health
Physical inactivity has become a global public crisis. The physical activity level of college students has decreased significantly worldwide, while physical literacy as a potential way to promote physical activity is receiving attention. However, the mechanism by which physical literacy promotes physical activity remains unclear. The purpose of this study was to explore the relationship between physical literacy and physical activity and the mediating role of sport commitment. Method: 824 college students from Changchun, Jilin Province, China, participated in this study (Mage=21) using the Perceived Physical Literacy Instrument, International Physical Activity Questionnaire Short Form, and Sport Commitment Questionnaire. Pearson correlation, …
A235: The Impact Of Psychological Skills Training On The Sports Performance Of Adolescent Athletes: A Systematic Review, Lingzhi He
International Journal of Physical Activity and Health
Psychological skills training, as an essential component of competitive sports training, is currently a popular method widely applied to enhance athletes’ performance. Particularly for adolescent athletes, psychological training not only helps them perform at their best in competitive settings but also promotes the comprehensive development of their psychological qualities. However, current research primarily focuses on adult populations, and studies targeting adolescents still have certain limitations. This article aims to review the impact of psychological skills training on the sports performance of adolescent athletes by analyzing the content, methods, and findings of existing research. It summarizes the shortcomings of current studies …
A239: Optimization Study Of Elite Volleyball Players' Spiking Speed Based On Ai Muscle Patch Intelligence Analysis, Yuang Wang, Qiming Zhu, Qingyi Wu, Ming Zhang
A239: Optimization Study Of Elite Volleyball Players' Spiking Speed Based On Ai Muscle Patch Intelligence Analysis, Yuang Wang, Qiming Zhu, Qingyi Wu, Ming Zhang
International Journal of Physical Activity and Health
Spiking speed is an important indicator of volleyball players' offensive ability, and the weakness of arm muscle strength may affect the performance of spiking. Traditional EMG equipment is difficult to meet the training needs of elite athletes due to the lag in data analysis. In this study, we used an “AI muscle patch” to collect EMG signals of volleyball players' arms during analyzed the weak links of individual muscles through an AI model, identified the weak chains of muscles that affect the speed of spiking, and formulated a personalized training program to strengthen the muscles to improve the spiking speed. …
A243: The Relationship Among Sport Confidence, Failure Coping, And Athletic Motivation Of Students In Physical Education, Yinru Chen
International Journal of Physical Activity and Health
In the research on the psychological abilities in sports competitions, exploring sports motivation is indispensable. Sports motivation has the functions of stimulating students' sports behaviors, guiding students to choose sports events, and strengthening and maintaining students' participation in sports. Sports confidence is the main stabilizing factor in students' mental health. Failure coping is the most important link in students' psychological adjustment after competitions. Paying attention to the characteristics and relationships of the students' confidence in sports, coping with failure, and motivation for sports is conducive to making the students of this major attach importance to the development of their competitive …
A255: Active Health-Oriented Digital Development Of China's National Fitness Events: Connotations, Challenges, And Pathways, Xingyu Fei, Li Liu
A255: Active Health-Oriented Digital Development Of China's National Fitness Events: Connotations, Challenges, And Pathways, Xingyu Fei, Li Liu
International Journal of Physical Activity and Health
The 20th National Congress of the Communist Party of China emphasized building a Digital China and accelerating the digital economy. The "14th Five-Year Plan for Sports" proposed constructing a digital sports project with four platforms and one center, drawing significant academic and industry attention to the digital development of mass fitness events. However, research on digital sports events remains limited, focusing mainly on broadcasting and technology applications. This study explores the challenges of high-quality development in digital mass fitness events and proposes pathways for digital enhancement. Using literature review, logical reasoning, and semi-structured interviews to define the concept of digital …
A266: A Study On The Health Promotion Mechanisms And Practical Paths Of Traditional Lion Dance Sports, Jiahao Leng, Jingshuo Wang
A266: A Study On The Health Promotion Mechanisms And Practical Paths Of Traditional Lion Dance Sports, Jiahao Leng, Jingshuo Wang
International Journal of Physical Activity and Health
As a living cultural heritage of Chinese traditional sports, lion dance combines physical exercise, cultural heritage, and social cohesion. Although its health value is widely recognized in folk practices, there is a lack of systematic and theoretical mechanism analysis in academia. This study aims to reveal the promotion mechanism of lion dance sport on individual physical and mental health and social adaptation through multi-dimensional analysis, and to propose its practical path in modern health governance. The literature method was used to systematically sort out the relevant literature during the period of 2006-2025 and establish a theoretical analysis framework. The expert …
A268: China Golf Research: A Citespace Knowledge Mapping Analysis Of Current Trends, Shuyan Zhang
A268: China Golf Research: A Citespace Knowledge Mapping Analysis Of Current Trends, Shuyan Zhang
International Journal of Physical Activity and Health
The year 2024 marks the 40th anniversary of golf’s development in China, presenting a critical juncture for systematically reviewing the sport’s progress. To commemorate this milestone, the China Golf Association (CGA) launched the ‘40 Years of Golf in China’ initiative, which primarily solicits literary and audiovisual works for promotional purposes. However, this campaign notably lacks a comprehensive synthesis of existing academic research on the subject. To address this gap, this study employs CiteSpace-based knowledge mapping to analyze the current state and emerging trends in scholarly research on golf in China. Method: This study utilized CSSCI-indexed journal articles from the CNKI …
A002: A Study On The Development Of Beijing Winter Olympics Sport Participation Legacy In The Post-Games Era, Pengfei Shi, Alan Bairner
A002: A Study On The Development Of Beijing Winter Olympics Sport Participation Legacy In The Post-Games Era, Pengfei Shi, Alan Bairner
International Journal of Physical Activity and Health
Currently, many countries are experiencing a continuing decline in national sport participation, and national health problems are becoming increasingly serious. According to the ‘trickle-down’ effect, holding sports events can promote sports participation. The Beijing Winter Olympics have achieved the goal of driving 300 million people to participate in sports. However, after the past two years, the still 300 million people still participating in sports is unknown. Therefore, we investigated the sustainable development of the Beijing Winter Olympics sport participation legacy to examine the impact of sport events on sport participation. Method: A 15-minute semi-structured interview was conducted with staff members …
A018: Impact Of Unanticipated And Backhand Area Smash Landing On Female Badminton Players’ Lower Limb Biomechanics, Zhanyang He, Binyong Ye, Bin Zhang, Houwei Zhu
A018: Impact Of Unanticipated And Backhand Area Smash Landing On Female Badminton Players’ Lower Limb Biomechanics, Zhanyang He, Binyong Ye, Bin Zhang, Houwei Zhu
International Journal of Physical Activity and Health
In badminton, lower limb injuries frequently occur during unanticipated smash landing movements. Additionally, the risk of lower limb injuries may vary depending on different landing strategies. This study aims to investigate the impact of unanticipated factors and two types of smash actions in the backhand area on lower limb biomechanics. Method: A motion capture system (Motion Analysis Raptor-4, USA) and Kistler force plates (model 9287B, 90 cm × 60 cm × 10 cm, Kistler Instruments AGCorp., Switzerland) were used to collect biomechanic data of 13 female athletes during backhand rear-court jump smash (BRJS) and backhand lateral jump smash (BLJS) in …
A022: University Students' Physical Activity Motivation And Gender-Related Factors, Yanzhao Sun
A022: University Students' Physical Activity Motivation And Gender-Related Factors, Yanzhao Sun
International Journal of Physical Activity and Health
Physical activity is essential for young adults, offering physical, psychological, aesthetic, and social benefits, such as reduced chronic disease risks, improved mental health, and overall wellbeing. Despite WHO recommendations (60 minutes daily for adolescents, 150 minutes weekly for adults), many college students fall short due to low intrinsic motivation, body image concerns, social anxiety, and lack of enjoyment. This study examines college students' motivations for physical activity and their relationships with gender, activity levels, and satisfaction. It also explores how motivation mediates the influence of gender on activity levels and satisfaction. Method: Exploratory analyses and bivariate analyses (Pearson’s correlations and …
A027: Research On The Mechanism And Preventive Measures Of Hamstring Muscle Injury In Football Players, Xisheng Wang, He Zheng
A027: Research On The Mechanism And Preventive Measures Of Hamstring Muscle Injury In Football Players, Xisheng Wang, He Zheng
International Journal of Physical Activity and Health
Hamstring strain (HSI) is the most common non-contact injury in professional men's football. Understanding the mechanism of hamstring injury in football players and taking effective preventive measures to reduce the probability of hamstring injury and protect their physical health is crucial. This article summarizes the injury mechanism of the hamstring muscle in football, discusses its risk factors, and summarizes preventive measures for hamstring muscle injuries, providing reference and guidance for future research on hamstring muscle injury prevention. Method: databases CNKI and Web of Science using keywords such as hamstring, football, and sports injuries. Summarize relevant literature to understand its research …
A061: Analysis Of The Current Situation Of Table Tennis Players' Burnout, Rongqing Yu
A061: Analysis Of The Current Situation Of Table Tennis Players' Burnout, Rongqing Yu
International Journal of Physical Activity and Health
Burnout is a significant issue among athletes, especially those undergoing high-intensity training and facing competitive pressures. Table tennis players, due to the demands of their sport, are particularly vulnerable. Burnout can impair performance, mental health, and lead to training interruptions or early career termination. This study investigates the prevalence of burnout among table tennis players, examining differences based on gender, age, sports grade, and training duration, to inform targeted interventions. Method: The study utilized a comprehensive approach to data collection and analysis. Firstly, a literature review was conducted to establish a theoretical framework for understanding athlete burnout. Subsequently, a questionnaire …
A078: Baduanjin's Cognitive Benefits In Older Adults With Mci: A Meta-Analysis, Caiping Liu
A078: Baduanjin's Cognitive Benefits In Older Adults With Mci: A Meta-Analysis, Caiping Liu
International Journal of Physical Activity and Health
Mild cognitive impairment (MCI) is a transitional state between normal aging and dementia, posing a significant public health challenge. With the limited efficacy of pharmacological interventions, non-pharmacological approaches like Baduanjin exercise, a traditional Chinese mind-body practice, have gained attention for their potential to enhance cognitive function. This meta-analysis aimed to evaluate the effectiveness of Baduanjin exercise on cognitive function in older adults with MCI, as measured by Montreal Cognitive Assessment (MoCA) scores. Method: A systematic literature search was conducted in Web of Science, PubMed, and Embase up to February 2024. Randomized controlled trials (RCTs) investigating the effects of Baduanjin on …
A135: 6-Week Intermittent Fasting And Aerobic Exercise: Effects On Body, Cardiovascular, And Sleep In Masked Obese Men, Boran Zhang, Meng Li, Runsheng Nie, Yuting Fu
A135: 6-Week Intermittent Fasting And Aerobic Exercise: Effects On Body, Cardiovascular, And Sleep In Masked Obese Men, Boran Zhang, Meng Li, Runsheng Nie, Yuting Fu
International Journal of Physical Activity and Health
Masked obesity (MO), defined by normal BMI with elevated body fat percentage, poses elevated health risks. This randomized trial compares combined intermittent fasting (IF) and aerobic exercise (AE) with single-modality interventions in young males, assessing body composition, cardiovascular function, and sleep quality to establish optimal evidence-based interventions. A total of 36 participants were randomized into three groups (n=12 each): (1) intermittent fasting combined with aerobic exercise (IF+AE), (2) IF-only, and (3) AE-only. Baseline assessments included body composition (weight, fat/lean mass, waist-to-hip ratio), cardiovascular markers (carotid intima-media thickness [CIMT], ejection fraction), and Pittsburgh Sleep Quality Index (PSQI). The IF+AE group alternated …
A172: Research History, Hotspots, And Trends Of Triathlon In China, Shiyu Ding
A172: Research History, Hotspots, And Trends Of Triathlon In China, Shiyu Ding
International Journal of Physical Activity and Health
In the 80s of the 20th century, triathlon was widely spread after it was introduced to China. Over the years, with the development of scientific sports training and national fitness, China's triathlon research has gradually attracted attention, and its research involves sports science, medicine, psychology, and mechanical engineering. Therefore, to promote the sustainable development of triathlon in China, this study reviews the history, hotspots, and trends of triathlon research in the past, and provides a theoretical reference for subsequent research. The data in this study were obtained from the China National Knowledge Infrastructure (CNKI) database. A total of 263 relevant …
A191: Hip Functional Training Efficacy On Athletic Performance And Postural Health In General College Students, Shuang Hu, Siyu Liu, Lili Qin, Jiaxin Zhu, Ziqiu Guo
A191: Hip Functional Training Efficacy On Athletic Performance And Postural Health In General College Students, Shuang Hu, Siyu Liu, Lili Qin, Jiaxin Zhu, Ziqiu Guo
International Journal of Physical Activity and Health
Prevailing sedentary behavior patterns and diminished physical activity engagement are yielding to health deterioration in collegiate populations. Recognizing physical education's pivotal role in establishing sustainable exercise regimens and biomechanical competence, this investigation evaluates hip functional training (HFT) - an evidence-based intervention co-developed by sports scientists integrating progressive dynamic warm-ups, targeted neuromuscular activation, and functional movement patterns. Grounded in the hip joint's biomechanical primacy within human kinematics, HFT aims to optimize motor control, mitigate injury incidence, and enhance athletic proficiency. This study systematically examines HFT's efficacy in improving postural kinematics, spinal integrity, hip joint mobility, physical performance metrics, exercise compliance, and …
A208: Application Of Artificial Intelligence In Posture Correction, Jiaqi Wu
A208: Application Of Artificial Intelligence In Posture Correction, Jiaqi Wu
International Journal of Physical Activity and Health
In the modern fast-paced life, poor postures are extremely common, leading to many health problems such as neck pain and back pain. Posture correction is of great significance for maintaining physical health, and the rise of artificial intelligence (AI) technology has opened a new path for posture correction. Posture correction means using specific means to restore and maintain the correct body posture. This study aims to systematically review the application of AI in the field of posture correction, clarify its advantages, limitations, and future development trends. A comprehensive search was carried out in domestic and foreign authoritative databases for research …
A033: Force Vs. Impulse: Assessing The Applicability Of Dynamic Strength Indices In Personalized Training Recommendations, Yuhang Liu, Xiaoyi Yuan
A033: Force Vs. Impulse: Assessing The Applicability Of Dynamic Strength Indices In Personalized Training Recommendations, Yuhang Liu, Xiaoyi Yuan
International Journal of Physical Activity and Health
In the era of artificial intelligence, the visualization and quantification of athletes' physical fitness have become critical areas of focus in the fields of physical and sports training. The Dynamic Strength Index (DSI) is a key metric used to assess neuromuscular function. However, the traditional force-based DSI (fDSI) overlooks time-dependent force characteristics, which may limit its applicability in training prescriptions. This study aimed to compare two dynamic strength indices—the force-based dynamic strength index (fDSI) and the impulse-based dynamic strength index (iDSI)—in relation to force-time performance variables and to assess their applicability in personalized training recommendations. Case study analyses were conducted …
A042: Research On The Pe System Of "Learning, Practicing, And Competing" From The System Theory Perspective, Dongfeng Nie, Tianlong Xiao, Jie Huang, Pengyu Fu, Xiaoyu Ge, Yongjie Li
A042: Research On The Pe System Of "Learning, Practicing, And Competing" From The System Theory Perspective, Dongfeng Nie, Tianlong Xiao, Jie Huang, Pengyu Fu, Xiaoyu Ge, Yongjie Li
International Journal of Physical Activity and Health
Exploring physical education courses that promote students' physical health and the "learning, practicing, and competing" system is a topic of concern for physical education researchers. Currently, research on the topic mainly focuses on the student object aspect, and there is a lack of research on the subject aspect. This study is based on system and group dynamics theory, optimizing the construction of a "learning, practicing, and competing" physical education system, aiming to enrich the physical education and training mode in universities and promote the development of students' physical health. Method: This study adopts the logical analysis method to systematically analyze …