Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 41 for “"Change of Direction"”.
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Strength factors associated with performance in change of direction tasks at different angles
Change of direction (COD) ability is a determinant of field and court sports performance and can be quantified using two different methods. Change of direction performance (CODP) is the time taken to complete the whole task of sprinting into a turn, changing direction, and sprinting out of the …
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Biomechanical determinants of injury risk and performance during change of direction : implications for screening and intervention
Changing direction is a key action linked to successful performance in multidirectional sports, but also an action associated with non-contact anterior cruciate ligament (ACL) injuries. Despite the importance of directional changes for sports performance and its association with ACL injury risk, …
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The effect of change of direction angle on kneeand hip biomechanics : implications foranterior cruciate ligament injury
… as they frequently occur without contact. Changes in the knee valgus (abduction) angle and knee valgus (external abduction) moment and limb asymmetry have been linked to greater risk of ACLinjury. Change of direction (COD) manoeuvres are important for many field sports, however they are …
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Inter-limb asymmetry: longitudinal monitoring and associations with speed and change of direction speed in elite academy soccer players
Inter-limb asymmetry has been a popular topic of investigation in recent years, with the majority of studies reporting the prevalence of asymmetry during different test protocols in athlete and non-athlete populations, and between genders. However, such information does little to inform …
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THE RELATIONSHIP BETWEEN THE BILATERAL LIMB DEFICIT AND CHANGE OF DIRECTION AND LINEAR SPRINT IN DIVISION II MALE SOCCER PLAYERS
… crucial for acceleration, deceleration, change of direction (COD), and linear sprinting (LS). The countermovement jump (CMJ) is commonly used to assess force production, and the bilateral limb deficit (BLD) quantifies the difference in force output between unilateral and bilateral CMJs. …
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Measurement of performance and kinetics during a change of direction, offensive and defensive agility task : a comparison of male and female athletes
Study 1: Evaluation of a new lower body reaction time test. The purpose of this study was to investigate the reliability of two lower body reaction time (RT) tests to determine differences in RT between genders and compatible and incompatible conditions. Fifteen male and female (n=30) (22.63 ± 2.88 …
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Development, assessment and application of a novel algorithm to automatically detect change of direction movement and quantify its associated mechanical load in elite Australian Football
The ability to change direction rapidly and efficiently is critical to team-sport performance, including Australian football (AF), where a player’s capacity to rapidly decelerate, move laterally and re-accelerate is critical when evading opponents, tackling, or reacting to the unpredictable bounce …
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Performance characteristics of elite softball players: Changes and determinants of performance related to the lower body
… force and ball velocity during windmill softball pitching The purpose of this research was to (1) determine the reliability of measuring ground reaction force (GRF) in multiple pitching trials and (2) investigate the relationship between ground reaction forces and pitch velocity in elite …
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Turning and Turbulence: A Comparative Study of Agility and Fluid Mechanics in Men’s and Women’s Soccer
Female soccer players demonstrate high levels of agility but remain underrepresented in research and experience anterior cruciate ligament (ACL) tears two to eight times more frequently than their male counterparts [1]. These injuries are often associated with high-torsion movements at the knee, …
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Anthropometry and physical characteristics in English premiership women’s rugby
… agility and collisions) combined with periods of lower intensity activities (walking and jogging). Based on positional differences and match demands, athletes are generally grouped as forwards (front row, second row and back row) and backs (scrum half, inside backs and outside backs). English …
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Quantifying validity and reliability of GPS derived distances during simulated tennis movements
Tennis is a competitive sport attracting millions of players and fans worldwide. During a competition, the physical component crucially affects the final result of a match. In field sports such as soccer physical demand data are collected using the global positioning system (GPS). There is question …
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The science of shinty: A needs analysis and training considerations.
… have conducted a needs analysis for the sport of shinty or identified the match-play demands in senior male players. The aims of this study were to develop a shinty athlete profile and to identify match play demands. The study consisted of two parts: 1) a battery of field-based fitness tests …
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Match demands, players´ Characteristics and neuromuscular performance across the season in elite futsal players.
… popular in the last year. In fact, the number of futsal-related investigations is growing in recent years. The current thesis aimed to describe and explore the match demands, players¿ characteristics, and the neuromuscular performance across the season in futsal. The results of the present …
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Srovnání rychlosti změny směru pohybu a reaktivní agility ve fotbale
Název: Srovnání rychlosti změny směru pohybu a reaktivní agility ve fotbale Cíle: Cílem práce je určit stupeň zdatnosti fotbalových hráčů v dovednostech agility a rychlosti změny směru pohybu. Zároveň zjistit, zda tyto dvě dovednosti mezi sebou korelují, zda nejlepší hráči v reaktivní agility …
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GPS analysis of elite level hockey
This thesis investigated the suitability of Global Positioning System (GPS) to assess activity profiles in elite hockey. Study one established validity and reliability of GPS units (1 and 5 Hz) to assess distance during movement’s common to team sport. Measurement accuracy decreased as speed …
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Impact of EU-GDPR on Local Authorities in the UK
… key objectives were to identify how the pending changes to data protection legislation might impact on current compliance procedures and policies. Its aim was to provide recommendations for local authorities regarding the key issues in order to minimise the risk of non-compliance with the new law …
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Daniel H. Burnham: his legacy to American architecture
… sensibilities and leadership characteristics of the American architect Daniel H. Burnham (1846-1912). It will assert that this particular architect had enormous impact on urbanism in the United States. The development of Burnham's design style and his approach to urban planning will be …
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Higher Education Admissions in Beijing: Independent Freshman Admissions and the Influence of Family, Schooling, and Gender
The sociological study of inequalities has long been concerned with questions concerning the role of education in creating a fairer society and whether it just serves as a means for the advantaged to consolidate pre-existing privileges. This thesis adds to the existing literature by addressing the …
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Architecture of George Frederick Bodley, 1827-1907 and Thomas Garner 1839-1906.
… and later took into partnership another of Scott's former pupils, Thomas Garner (1839-1906). The partnership continued until 1898, after which both men continued separate practices for the rest of their lives. Bodley began his practice at a time when the Early Middle Pointed of Pugin was …
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