Supervised Machine Learning Algorithms for Fitness-Based Cardiometabolic Risk Classification in Adolescents.

Background: Cardiometabolic risk in adolescents represents a growing public health concern that is closely linked to modifiable factors such as physical fitness. Traditional statistical approaches often fail to capture complex, nonlinear relationships among anthropometric and fitness-related variables.

Objective: To develop and evaluate supervised machine learning algorithms, including artificial neural networks and ensemble methods, for classifying cardiometabolic risk levels among Chilean adolescents based on standardized physical fitness assessments.

Supervised machine learning algorithms for the classification of obesity levels using anthropometric indices derived from bioelectrical impedance analysis.

The accurate classification of obesity is essential for public health and clinical decision-making. Traditional anthropometric measures such as body mass index (BMI) have limitations in differentiating between fat and lean mass. This study aimed to evaluate and compare the performance of various supervised machine learning algorithms in classifying obesity levels using anthropometric indices derived from bioelectrical impedance analysis (BIA).

What is the role of family meals and social eating behaviour in relation to experiential avoidance in adolescents among Spanish adolescents? the EHDLA study.

Purpose: The aim of the present study was to analyse the associations of family meals and social eating behaviour (SEB) with experiential avoidance (EA) in adolescents from Spain.

Methods: This cross-sectional study involved 617 adolescents (aged 12-17 years, 56.7% females) from the Eating Habits and Daily Life Activities study from (Region of Murcia, Spain).

Prevalence of Chronic Back Pain and Associated Factors in Children and Adolescents: Secondary Analysis of the 2001-2019 Health Behavior in School-Aged Children Study.

Background: Backache, which is considered a leading cause of adult disability worldwide, is seldom studied in children and adolescents despite it being associated with multiple detrimental health outcomes in this age group.

Objective: The aim of this study is to explore the prevalence, time trends, and correlates of chronic backache among children and adolescents.

Methods: Data were extracted from the cross-sectional Health Behavior in School-Aged Children (HBSC) study, which collected data from 2001 to 2019.

Skeletal muscle mass estimation in Brazilian Jiu-Jitsu athletes: validation of predictive equations.

Accurate estimation of skeletal muscle mass (SMM) is important for body composition assessment in Brazilian Jiu-Jitsu (BJJ) athletes owing to body mass classification and force production implications. This study compared the validity, reliability, and agreement of three predictive equations-Kim, McCarthy, and Sagayama-for estimating total SMM (expressed in kilograms) in male BJJ athletes. Twenty-two male BJJ athletes (mean age: 33.

Is Involvement in Food Tasks Associated with Psychosocial Health in Adolescents? The EHDLA Study.

: While some evidence supports the benefits of food-related tasks, research examining their association with psychosocial health in adolescents remains scarce. The aim of this study was to examine the association between Spanish adolescents' involvement in food-related household tasks and their psychosocial health. This cross-sectional study used secondary data from the original Eating Healthy and Daily Life Activities (EHDLA) study.

Differences in Anthropometric and Body Composition Factors of Blind 5-a-Side Soccer Players in Response to Playing Position: A Systematic Review.

: Blind 5-a-side soccer is an intermittent sport that requires the integration of physiological and physical processes, where body composition (BC) is an influential and differentiating factor of the sporting level, according to the conclusions of some studies. However, to date, no systematic review has been reported comparing BC in players with visual impairment. The aims of this study were to systematically synthesize the existing evidence on differences in anthropometric characteristics and body composition among blind 5-a-side football players according to playing position and to derive practical recommendations for researchers and coaches.

Understanding the relationship of sleep-related problems with positive affect and negative affect in young people: Insights from the EHDLA study.

Background: The prevalence of sleep-related problems in adolescents has been recognized as a public health issue. Research on how specific sleep-related problems may be related to mood and affect variations in this age group is scarce. Therefore, the current study aims to explore the relationships between sleep-related problems and positive and negative affect in a sample of Spanish adolescents.

A Systematic Review of Bicycle Motocross: Influence of Physiological, Biomechanical, Physical, and Psychological Indicators on Sport Performance.

: This sport involves the integration of various capabilities and mechanisms, including cognitive, physiological, and biomechanical components, that allow the athlete to perform in competition. However, to date, no systematic review has analyzed the indicators that are decisive for sports performance in Bicycle Motocross (BMX). The objective of this work was to carry out a systematic review of the performance variables in BMX and establish recommendations for researchers and trainers.

Reliability of Muscle Oxygen Saturation for Evaluating Exercise Intensity and Knee Joint Load Indicators.

This study aimed to evaluate the reliability of muscle oxygen saturation (SmO) and its correlation with variables from an inertial measurement unit (IMU) sensor placed on the knee at different exercise intensities. Fourteen university athletes participated in the study. Incremental ergospirometry was performed to exhaustion to calculate V'Omax, determine training zones, heart rate, and workload using the IMU, and analyze muscle metabolism by SmO.

Visualization of the Research Panorama of Decision-Making in Soccer: Bibliometric Analysis with VOSviewer and Review of the Most Cited Studies of the Last 15 Years (2010-2024).

Background/objectives: Various studies have investigated the importance of perceptual-cognitive skills in decision-making and the expert performance of athletes. However, bibliometric study has yet to identify research trends on this topic. The objective of this study was to perform a bibliometric review to identify the research trends in the study of soccer decision-making.

Beyond Hunger: Uncovering the Link between Food Insecurity and Depression, Anxiety, and Stress in Adolescents.

Background: Food insecurity (FI) represents a critical public health concern, particularly for adolescents, as it compromises nutritional intake and mental health during crucial developmental stages.

Objectives: This study examines the associations between FI and symptoms of depression, anxiety, and stress in a sample of 712 adolescents aged 12-17 y from , Region of Murcia, Spain.

Methods: Data were sourced from the cross-sectional "Eating Healthy and Daily Life Activities" study.

Unveiling the association between chronotype and emotional eating in Spanish adolescents: The EHDLA study.

Emotional eating has been associated with a range of negative health outcomes. Research regarding chronotype and emotional eating among adolescents is limited. Thus, this study aimed to verify the association between chronotype and emotional eating in a sample of Spanish adolescents aged 12-17 years.

Visualization of the research landscape on the 20 m shuttle run test in the last 15 years: bibliometric analysis with VOSviewer of the most cited studies.

Introduction: Various studies have applied the 20-meter shuttle run test (20mSRT) to estimate cardiorespiratory fitness in different population groups, with the aim of associating test performance with the physiological, psychosocial, and cognitive health of children and young people. However, to date, no bibliometric review that analyzes the research landscape has been conducted. The objective was to conduct a bibliometric review to develop an overview of the current state of scientific literature and identify research trends in the study of the 20mSRT in the Web of Science and PubMed databases.

The hidden clock: how chronotype is related to depression, anxiety, and stress in adolescents - insights from the EHDLA study.

Background: Depression, anxiety, and stress symptoms are common among adolescents; however, studies exploring their relationship with chronotype in European youth populations is scarce. This study aimed to evaluate the association between chronotype status and depression, anxiety, and stress symptoms in adolescents.

Methods: A secondary analysis of the Eating Healthy and Daily Life Activities (EHDLA) cross-sectional study was performed in 703 adolescents (56.

Air Pollution and Endurance Exercise: A Systematic Review of the Potential Effects on Cardiopulmonary Health.

This systematic review aimed to analyze the implications of endurance exercise in environments with certain levels of air pollution. This study was developed on the basis of the consensus of the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA). The present review is supported by articles containing the main databases PubMed, Elsevier, and Web of Science (WoS), including scientific articles published in the last 20 years.

Mapping the Knowledge of Research Trends in Sports Performance Asymmetries from 2015 to 2024: A Bibliometric Study and Analysis of the Most-Cited Papers.

In recent years, studies related to preventing injuries and improving sports performance have aroused academic interest. However, no bibliometric study has investigated asymmetry. The aim of this study was twofold: (i) to identify trends in research on asymmetries in sports performance through bibliometric analysis, and (ii) to determine the most-cited articles to establish the main lines of research on asymmetries.

Proportion of food insecurity and its sociodemographic correlates among Spanish adolescents: the EHDLA study.

Introduction: Insufficient and unequal access to food (i.e. food insecurity [FI]) has a negative impact on health, especially in vulnerable groups such as adolescents.

Associations of social network use and social network addictive behaviors with self-esteem in adolescents: the EHDLA study.

Objective: The aim of the present study was to examine the relationships of social network (SN) use and SN addictive behaviors with self-esteem in Spanish adolescents. The use of specific social media platforms and their associated addictive behaviors related to self-esteem were also evaluated.

Methods: This cross-sectional study used secondary data from the Eating Healthy and Daily Life Activities (EHDLA) project, which included a representative sample of adolescents aged 12-17 years from the in the Region of Murcia, Spain.

Physical Activity is Related to Lower Levels of Neurofilament Light and Plasma Tau Protein: A 22-Year Follow-Up Study From Adolescence to Adulthood.

Purpose: To investigate the association between physical activity (PA) and neurodegeneration biomarkers from adolescence to adulthood by examining tau protein and neurofilament light chain (NfL) levels in blood samples.

Methods: The study analyzed data from adolescents aged 12-19 years who participated in Waves I (1994-1996) and V (2016-2018) of the Add Health study over a span of 22 years. It assessed PA through self-reported questionnaires.

Body Asymmetry and Sports Specialization: An Exploratory Anthropometric Comparison of Adolescent Canoeists and Kayakers.

The evaluation of body asymmetry between the right and left sides of the body is crucial in the context of sports because of its potential impact on performance and injury prevention. This study analyzed the anthropometric differences between the right and left sides of the body in adolescent (13.0 [2.

Role of artificial intelligence-powered conversational agents (chatbots) in musculoskeletal disorders: a scoping review protocol.

Introduction: Musculoskeletal disorders (MSDs) represent a significant global health burden that leads to substantial disability with socioeconomic impact. With the rise of artificial intelligence (AI), particularly large language model-driven conversational agents (chatbots), there is potential to enhance the management of MSDs. However, the application of AI-powered chatbots in this population has not been comprehensively synthesised.

Physical Fitness and Sleep-Related Problems Among Adolescents: Findings From the EHDLA Study.

Physical fitness, particularly cardiorespiratory fitness, has been shown to positively impact sleep quality. However, the relationship between overall physical fitness and sleep-related problems in adolescents remains underexplored. Therefore, the aim of this study was to analyze the association between overall physical fitness and sleep-related problems in adolescents.

Adherence to 24-hour movement guidelines in adolescence and its association with lower risk of hypertension in adulthood.

Background: There is limited research on how adherence to 24 h movement guidelines from adolescence to adulthood affects long-term hypertension outcomes. This study examined the association between sustained adherence to these guidelines and hypertension risk.

Methods: Analysis was done on data from adolescents 12- to 19-year-olds who took part in Waves I and V of the Add Health Study.

Eating distractions as predictors of ultra-processed food consumption and Mediterranean diet adherence in adolescents.

Previous studies have examined the relationships between some eating distractions and diet quality in the young population. However, to our knowledge, no study has analyzed the associations between multiple eating distractions (e.g.