Noriyuki Kida
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View article: Dual Pathways to Subjective Well-Being in Japanese Employees: Transformational Leadership and Trait Intrinsic Motivation
Dual Pathways to Subjective Well-Being in Japanese Employees: Transformational Leadership and Trait Intrinsic Motivation Open
This study examines employees’ subjective well-being (SWB) in large Japanese corporations using a single covariance-based SEM that integrates two sources of motivation: leadership and individual dispositions. We simultaneously test the ind…
View article: Effects of different lower limb movement velocities on trunk muscle activity and dynamic stability in the Sahrmann core stability test
Effects of different lower limb movement velocities on trunk muscle activity and dynamic stability in the Sahrmann core stability test Open
Core stability is essential for both performance and rehabilitation, yet standardized movement velocity criteria for the Sahrmann Core Stability Test (SCST) remain undefined. This study aimed to analyze how lower limb movement velocity aff…
View article: Knowledge of Targeted Muscles and Proper Form in Strength Training: A Cross-Sectional Survey of 1000 Adults Across Age, Sex, and Instructional Experience
Knowledge of Targeted Muscles and Proper Form in Strength Training: A Cross-Sectional Survey of 1000 Adults Across Age, Sex, and Instructional Experience Open
With the growing availability of strength training information through online platforms and social media, there is an increasing need to ensure that individuals possess sufficient knowledge to train safely and effectively. Nonetheless, pre…
View article: Physical Contact in Sports: Discomfort Arising from Gender, Relationship, and Body Part
Physical Contact in Sports: Discomfort Arising from Gender, Relationship, and Body Part Open
Physical contact is frequently used as a pedagogical tool in sports instruction. However, it may elicit discomfort owing to factors such as gender dynamics, relationship type, and contacted body parts. This study investigated how gender, r…
View article: The Development and Preliminary Validation of a Rhythmic Jumping Task for Coordination Assessment: A Task Design Based on Upper and Lower Limb Motor Congruency
The Development and Preliminary Validation of a Rhythmic Jumping Task for Coordination Assessment: A Task Design Based on Upper and Lower Limb Motor Congruency Open
Background: The coordination between the upper and lower limbs is essential for athletic performance. However, the structural features that influence coordination difficulty remain insufficiently understood. Few studies have systematically…
View article: Effects of contrast water therapy on performance, circulatory function, and fatigue in collegiate freestyle swimmers
Effects of contrast water therapy on performance, circulatory function, and fatigue in collegiate freestyle swimmers Open
This study aimed to examine the effects of contrast water therapy (CWT) on recovery following high-intensity interval training in competitive collegiate swimmers. Fifteen male freestyle swimmers (mean age: 19.3 ± 1.1 years) participated in…
View article: Frailty-Focused Movement Monitoring: A Single-Camera System Using Joint Angles for Assessing Chair-Based Exercise Quality
Frailty-Focused Movement Monitoring: A Single-Camera System Using Joint Angles for Assessing Chair-Based Exercise Quality Open
Ensuring that older adults perform chair-based exercises (CBEs) correctly is essential for improving physical outcomes and reducing the risk of injury, particularly in home and community rehabilitation settings. However, evaluating the cor…
View article: Effects of Saturation on Anger in a Low-Saturation Range: A Comparison of Background Colors in 12 Tones
Effects of Saturation on Anger in a Low-Saturation Range: A Comparison of Background Colors in 12 Tones Open
This study used an online survey to investigate the effects of brightness in low-saturation color ranges on anger processing. Specifically, it explored how background hues—red, yellow-green, and blue-green—affect perceptions of illustratio…
View article: Effects of Ankle Joint Angles and Surrounding Muscles on Hip Joint Musculature
Effects of Ankle Joint Angles and Surrounding Muscles on Hip Joint Musculature Open
Background/Objectives: Hip abductor weakness is a common issue in patients with lower back pain, knee osteoarthritis, and hip disorders, and compromises pelvic stability, gait control, and function. Side-lying hip abduction exercises are w…
View article: Evaluation of Convolutional Neural Network-Based Posture Identification Model of Older Adults: From Silhouette of Sagittal Photographs
Evaluation of Convolutional Neural Network-Based Posture Identification Model of Older Adults: From Silhouette of Sagittal Photographs Open
Background/Objectives: Posture is a significant indicator of health status in older adults. This study aimed to develop an automatic posture assessment tool based on sagittal photographs by validating recognition models using convolutional…
View article: Impact of body image on the kinematics of gait initiation
Impact of body image on the kinematics of gait initiation Open
In daily life, we walk naturally by considering our physical characteristics and formulating appropriate motor plans. However, the impact of changes in body image on walking movements during motor planning remains poorly understood. Theref…
View article: Physical Therapist-Led Initiatives for the Prevention and Improvement of Chronic Pain Among Workers: A Case Study of Hosting Workshops Based on Survey Results in a Corporate Setting
Physical Therapist-Led Initiatives for the Prevention and Improvement of Chronic Pain Among Workers: A Case Study of Hosting Workshops Based on Survey Results in a Corporate Setting Open
Industrial physical therapy (IPT) interventions by physical therapists can enhance labor productivity. However, in Japan, there is a scarcity of case studies involving corporate visits, questionnaire-based data, and insights into corporate…
View article: Pilot Study on the Relationship Between Different Lower Limb Raising Velocities and Trunk Muscle Contraction in Active Straight Leg Raise
Pilot Study on the Relationship Between Different Lower Limb Raising Velocities and Trunk Muscle Contraction in Active Straight Leg Raise Open
Background/Objectives: The active straight leg raise requires intricate coordination between the hip, knee, pelvis, and spine. Despite its complexity, limited research has explored the relationship between lower limb raising velocity and t…
View article: Evolution of Key Factors Influencing Performance Across Phases in Junior Short Sprints
Evolution of Key Factors Influencing Performance Across Phases in Junior Short Sprints Open
Sprint performance plays a crucial role in various sports. Short sprints vary depending on the size of the court/playing field and on competitive characteristics, but are common in many sports. Although the relationship between age and mus…
View article: A Longitudinal Study of the Relationship Between Lower Extremity Field Tests and Medial Elbow Injuries in Elementary School Baseball Players
A Longitudinal Study of the Relationship Between Lower Extremity Field Tests and Medial Elbow Injuries in Elementary School Baseball Players Open
This study aimed to examine prospectively the relationship between the deep squatting test and medial elbow injuries in elementary school baseball players and to determine the usefulness of the lower extremity field test in throwing injuri…
View article: Relationship between the presence of sports injuries and field tests in junior athletes
Relationship between the presence of sports injuries and field tests in junior athletes Open
View article: Muscle activity patterns during shoulder elevation by non-negative matrix factorization
Muscle activity patterns during shoulder elevation by non-negative matrix factorization Open
View article: Prevalence and treatment of chronic musculoskeletal pain focused on service gaps: a comparative analysis by age group and body part
Prevalence and treatment of chronic musculoskeletal pain focused on service gaps: a comparative analysis by age group and body part Open
Background Occupational health, grounded in occupational medicine, aims to enhance the well-being and labor productivity of the working population. Within this realm, there has been growing concern over the increasing instances of labor lo…
View article: Living Conditions of Children with Disabilities in Rural Thailand: Factors Leading to Life Change through Interventions
Living Conditions of Children with Disabilities in Rural Thailand: Factors Leading to Life Change through Interventions Open
This study aimed to identify the characteristics and challenges faced by children with disabilities and their families living in rural Thailand, and understand the factors that bring changes in their lives through intervention. In a 2021 o…
View article: Devising a Simple Evaluation Method for Assessing Motor Coordination in the Upper and Lower Limbs
Devising a Simple Evaluation Method for Assessing Motor Coordination in the Upper and Lower Limbs Open
Despite copious research, the methods for assessing upper- and lower-limb motor coordination are limited. We devised a simplified evaluation method based on upper- and lower-limb motor coordination jumping and conducted a practical examina…
View article: Relationship between Tilt Sensation Ability and Lower Limb Injuries in Junior Athletes
Relationship between Tilt Sensation Ability and Lower Limb Injuries in Junior Athletes Open
The purpose of this study was to devise a tilt sensation measurement method to evaluate ankle proprioception and to examine its reliability. It was also used to determine the relationship among tilt sensation abilities, physical developmen…
View article: Agreement in the Postural Assessment of Older Adults by Physical Therapists Using Clinical and Imaging Methods
Agreement in the Postural Assessment of Older Adults by Physical Therapists Using Clinical and Imaging Methods Open
Postural assessment is one of the indicators of health status in older adults. Since the number of older adults is on the rise, it is essential to assess simpler methods and automated ones in the future. Therefore, we focused on a visual m…
View article: Analysis of Motion and Shape in Braiding Using Kumihimo Disk for Beginners
Analysis of Motion and Shape in Braiding Using Kumihimo Disk for Beginners Open
In this study, we evaluated both qualitatively and quantitatively the production of the braiding process when using a kumihimo disk for beginners. An experiment was conducted to establish a teaching method for braid making using a kumihimo…
View article: Evaluation of Volleyball Players’ Ability to Jump High and Fast: Targeting Female University Volleyball Players
Evaluation of Volleyball Players’ Ability to Jump High and Fast: Targeting Female University Volleyball Players Open
View article: Estimation of factors contributing to level differences in Japanese university decathlon athletes
Estimation of factors contributing to level differences in Japanese university decathlon athletes Open
This study aimed to estimate the factors that cause differences in competition level based on the competition performance structure among university student decathletes in Japan. The results of factor analysis using the maximum likelihood …
View article: Impact of body image on the kinematics of gait initiation
Impact of body image on the kinematics of gait initiation Open
In our daily lives, we walk naturally because we can consider our physical characteristics and formulate appropriate motor plans. However, the impact of changes in body image during motor planning on walking movements remains poorly unders…
View article: Dissociation of perception and motor execution of lower limb in multi-directional movements
Dissociation of perception and motor execution of lower limb in multi-directional movements Open
View article: Direction and distance dependency of reaching movements of lower limb
Direction and distance dependency of reaching movements of lower limb Open
Efficient body movement is required in our daily lives, as it facilitates responding to the external environment and producing movements in various directions and distances. While numerous studies have reported on goal-directed movements i…
View article: Utility of a new lower limb and trunk functional evaluation for pitchers with focus on the physical characteristics of players with a throwing disorder
Utility of a new lower limb and trunk functional evaluation for pitchers with focus on the physical characteristics of players with a throwing disorder Open
Objectives A pitching motion involves three-dimensional whole body movement. Proper pelvic and trunk rotation movement are important for the prevention of throwing injuries. Given that throwing is not a simple rotation movement, the evalua…
View article: Dissociation of perception and motor execution of lower limb in multi-directional movements
Dissociation of perception and motor execution of lower limb in multi-directional movements Open
Estimating action capability is important for humans to successfully move their bodies. Reachability has been proposed to be an overestimation of motor abilities, by judging the unreachable distance as reachable. Existing literature have m…