Kym Williams

Kym Williams
Flinders University · School of Education

Doctor of Philosophy (Exercise Science)

About

9
Publications
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90
Citations
Introduction
Kym Williams currently works at the School of Education, Flinders University. Kym does research in Physiology. Their current project is 'MEASUREMENT BIAS IN DETERMINING SYSTEM POWER DURING A COUNTERMOVEMENT JUMP.'

Publications

Publications (9)
Article
This study aimed to measure agreement between using Samozino’s method and force plates to determine mean force, velocity, and power during unloaded and loaded barbell and hexbar countermovement jumps. Twenty-one subjects performed countermovement jumps against incremental loads using both loading conditions. Ground reaction force was recorded using...
Article
This investigation sought to quantify the level of measurement agreement in system force, velocity and power values derived across three commonly applied assessment techniques during a countermovement jump (CMJ). Twenty-five male national representative athletes completed three CMJs under unloaded (0%1RM) and loaded (40%1RM) jump conditions. Associ...
Article
Full-text available
The purpose of this investigation was to compare the effects of altering the number of players during 'small sided games' on the possession characteristics within a youth under10 football setting. Two modified 'small sided game' versions of 12 a side and 15 a side in accordance to the Australian Football League (AFL) junior match policy were used t...
Article
Purpose: To establish the influence of athlete-dependent characteristics on the generation and timing of system and individual joint powers during a countermovement jump (CMJ). Methods: Male national representative athletes from Volleyball ([VB] n=7), Basketball ([BB], n=6) and Rugby Union ([RU] n=7) performed a set of three CMJ's at relative ba...
Article
The investigation sought to describe the current practices for monitoring and maximising mechanical power (F • v) in the discipline of strength and conditioning. Thirty professional Strength and Conditioning coaches working within a national institute network agreed to complete a short online survey. Questions were posed in the areas of exercise an...
Article
This study aimed to investigate if hip, knee and ankle peak power is influenced by the relative load lifted, altering the joint and system load-power relationship during a countermovement jump (CMJ). Twenty-Three male national representative athletes (age: 20.3 ± 3.1y, squat 1RM: 133.8 ± 24.8kg) completed three CMJs at relative barbell loads of 0,...
Article
Full-text available
This study determined whether body composition, strength, and power changes that occur during preseason can be maintained during an international rugby sevens season. Fourteen male international rugby sevens players (age 21.4 ± 2.2 years; mean ± SD) were categorized as forward (n 7) or back (n 7), and assessed for height, mass (M), skinfolds (S) (7...
Article
Verbal instructions play a key role in motor learning and performance. Whereas directing one's attention towards bodily movements or muscles (internal focus) tends to hinder performance, instructing persons to focus on the movement outcome, or an external object related to the performed task (external focus) enhances performance. The study's purpos...
Article
Full-text available
The purpose of this investigation was to identify differences in end range of motion (ROM) kinetic and kinematic strategies between highly resistance and vertical jump trained athletes and controls. Weightlifters (WL: n=4), short track speed skaters (STSS: n=5) and non-resistance trained controls (C: n=6) performed six standing vertical squat jumps...

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Projects

Projects (5)
Project
The objective of this study was to determine the relationship between fitness testing data and player progression at the beginning of the talent pathway.
Project
This study sought to investigated the influence of sporting, training, and anthropometric traits on the generation and timing of combined lower-body and individual joint powers during a countermovement jump.
Project
This study aimed to investigate if differences in joint power contributions could explain the spectrum of loads prescribed to maximise explosive power during a countermovement jump (CMJ). Twenty-Three male national representative athletes completed three CMJs at relative barbell loads of 0%, 10%, 20%, 30% and 40% of an athlete’s estimated back squat 1RM. Ground reaction force and joint kinematics were captured using a 15 camera motion capture array integrated with two parallel tri-axial in-ground force plates.