Contact times of change-of-direction manoeuvres are influenced by age and the type of sports: a novel protocol using the SpeedCourt® system
Sign Up to like & getrecommendations! Published in 2018 at "Knee Surgery, Sports Traumatology, Arthroscopy"
DOI: 10.1007/s00167-018-5192-z
Abstract: PurposeSide-to-side asymmetry in side-cutting manoeuvres is a known risk factor for severe knee injury. Potential leg asymmetry during ground contact times of different change-of-direction manoeuvres was evaluated in athletes by means of the recently developed… read more here.
Keywords: contact times; age; change direction; type sports ... See more keywords
Change-of direction deficit in elite young soccer players
Sign Up to like & getrecommendations! Published in 2018 at "German Journal of Exercise and Sport Research"
DOI: 10.1007/s12662-018-0502-7
Abstract: Change-of-direction (COD) ability is an essential physical component for soccer. This study examined the relationships between conventional speed–power assessments and COD performance in elite young soccer players. Twenty-five under-20 male players from the same club… read more here.
Keywords: speed power; change direction; soccer; cod ... See more keywords
Supervised learning techniques and their ability to classify a change of direction task strategy using kinematic and kinetic features.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of biomechanics"
DOI: 10.1016/j.jbiomech.2017.10.025
Abstract: This study examines the ability of commonly used supervised learning techniques to classify the execution of a maximum effort change of direction task into predefined movement pattern as well as the influence of fuzzy executions… read more here.
Keywords: movement; change direction; direction task; learning techniques ... See more keywords
The validity and reliability of a novel app for the measurement of change of direction performance
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sports Sciences"
DOI: 10.1080/02640414.2019.1640029
Abstract: ABSTRACT The aim of the present investigation was to analyze the validity and reliability of a novel iPhone app (CODTimer) for the measurement of total time and interlimb asymmetry in the 5 + 5 change… read more here.
Keywords: timing gates; app measurement; validity reliability; change direction ... See more keywords
Male and female soccer players exhibit different knee joint mechanics during pre-planned change of direction.
Sign Up to like & getrecommendations! Published in 2020 at "Sports biomechanics"
DOI: 10.1080/14763141.2020.1830160
Abstract: Change of direction manoeuvres is important in soccer and associated with non-contact anterior cruciate ligament injury, yet it is not known how the mechanics differentiate between males and females during 180° turns. Twenty-eight soccer players… read more here.
Keywords: change direction; knee; contact; mechanics ... See more keywords
The effects of fatigue on knee kinematics during unanticipated change of direction in adolescent girl athletes: a comparison between dominant and non-dominant legs.
Sign Up to like & getrecommendations! Published in 2021 at "Sports biomechanics"
DOI: 10.1080/14763141.2021.1925732
Abstract: This study was aimed to compare the knee kinematic parameters between dominant and non-dominant legs of adolescent female athletes during change of direction (CoD) in fatigued and unpredictable settings. Knee kinematic parameters on 49 athletes… read more here.
Keywords: dominant legs; dominant non; change direction; non dominant ... See more keywords
Effects of footwear collar height on lower-limb biomechanics during running and change-of-direction tasks in court-sport athletes.
Sign Up to like & getrecommendations! Published in 2025 at "Sports biomechanics"
DOI: 10.1080/14763141.2025.2590031
Abstract: Collar height is a distinctive feature of court-sport footwear, yet its biomechanical effects remain underexplored. This study compared the effect of low-cut and high-cut footwear on lower-limb biomechanics during straight-line running and change-of-direction tasks in… read more here.
Keywords: court sport; biomechanics; change direction; collar height ... See more keywords
Acute kinematics and kinetics changes to wearable resistance during change of direction among soccer players
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DOI: 10.1080/15438627.2020.1770761
Abstract: ABSTRACT This study determined the acute changes in kinematics and kinetics when an additional load equivalent to 5% body mass was attached to the torso during change of direction (COD). In this within-subject repeated measures… read more here.
Keywords: soccer players; kinematics; change direction; kinematics kinetics ... See more keywords
Effects of specific and non-specific court footwear on anterior cruciate ligament loading during a maximal change of direction manoeuvre
Sign Up to like & getrecommendations! Published in 2017 at "Footwear Science"
DOI: 10.1080/19424280.2017.1363822
Abstract: Abstract The aim of the current investigation was to examine the effects of tennis shoes and running footwear on the loads experienced by the anterior cruciate ligament (ACL) during a maximal change of direction task.… read more here.
Keywords: maximal change; change direction; tennis shoes;
Change-of-Direction Ability of Para-Footballers With Cerebral Palsy Under a New Evidence-Based and Sport-Specific Classification System.
Sign Up to like & getrecommendations! Published in 2020 at "International journal of sports physiology and performance"
DOI: 10.1123/ijspp.2019-0656
Abstract: PURPOSE This study aimed (1) to explore the validity and reliability of a new and specific change-of-direction (COD) test that requires dribbling skills to classify international footballers with cerebral palsy (CP) and compare it with another… read more here.
Keywords: cerebral palsy; para footballers; change direction; sport ... See more keywords
Change-of-Direction Performance and Its Deficits in Relation to Countermovement-Jump Height and Phase-Specific Performance Among Female Athletes.
Sign Up to like & getrecommendations! Published in 2024 at "International journal of sports physiology and performance"
DOI: 10.1123/ijspp.2024-0006
Abstract: PURPOSE Jump and linear sprint performances both correlate with pro-agility performance. However, correlation does not imply causation, and potential confounders may affect the correlation. Therefore, this study aimed to determine the relationship between change-of-direction (COD)… read more here.
Keywords: change direction; countermovement jump; performance; phase ... See more keywords