Sean Maloney

Sean Maloney
University of Bedfordshire · Department of Sport & Exercise Sciences

PhD

About

28
Publications
33,210
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594
Citations

Publications

Publications (28)
Article
Full-text available
Maloney, SJ. The relationship between asymmetry and athletic performance: A critical review. J Strength Cond Res XX(X): 000-000, 2018-Symmetry may be defined as the quality to demonstrate an exact correspondence of size, shape, and form when split along a given axis. Although it has been widely asserted that the bilateral asymmetries are detrimenta...
Article
Full-text available
Stiffness describes the resistance of a body to deformation. In regard to athletic performance, a stiffer leg-spring would be expected to augment performance by increasing utilisation of elastic energy. Two-dimensional spring-mass and torsional spring models can be applied to model whole-body (vertical and/or leg stiffness) and joint stiffness. Var...
Article
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LUNGE PERFORMANCE IS INTEGRAL TO PERFORMANCE IN THE SPORT OF BADMINTON. FOR THE STRENGTH AND CONDITIONING COACH TO APPROPRIATELY CONDITION THE LUNGE PATTERN, IT IS IMPORTANT THAT THE UNIQUE DEMANDS OF THE BADMINTON LUNGE ARE WELL UNDERSTOOD. THIS ARTICLE WILL CONSIDER THE KINETICS, KINEMATICS, AND DIFFERENT VARIATIONS OF THE BADMINTON LUNGE, IDENTI...
Article
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Post-activation potentiation (PAP) refers to the acute enhancement of muscular function as a direct result of its contractile history. Protocols designed to elicit PAP have commonly employed heavy resistance exercise (HRE) as the pre-activation stimulus; however, a growing body of research suggests that low-load ballistic exercises (BE) may also pr...
Article
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Change of direction speed (CODS) underpins performance in a wide range of sports but little is known about how stiffness and asymmetries affect CODS. Eighteen healthy males performed unilateral drop jumps to determine vertical, ankle, knee and hip stiffness, and a CODS test to evaluate left and right leg cutting performance during which ground reac...
Article
Full-text available
Inter-limb asymmetries have been recently investigated in athletic populations. However, the effects of training interventions on inter-limb asymmetries have been scarcely examined. Therefore, the aim of this study was to determine the effects of training interventions on changes in inter-limb asymmetries from pre-to post-training. Furthermore, to...
Article
Full-text available
The current study aimed to compare locomotive outputs across English U16, U18 and U23 academy soccer and investigate possible relationships with neuromuscular and aerobic capacities. Participants included 46 outfield players from an English Category Two soccer academy. Global positioning system (18Hz) data were utilised to analyse locomotive output...
Article
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The strength and conditioning (S&C) industry can appear as a saturated market, with a lack of balance between supply and demand of strength and conditioning coaches, with the former outweighing the latter. Job descriptions may be an effective tool for aspiring coaches to identify what current skill sets employers look for, in particular those deeme...
Article
Vertical stiffness has been highlighted as a potential determinant of performance and may be estimated across a range of difference performance tasks. The aim of the current study was to investigate the relationship between vertical stiffness determined during 9 different hopping tests and performance of vertical jumps. Twenty healthy, active males...
Article
Full-text available
The influence of asymmetry on performance in sports with highly asymmetric demands is yet to be properly determined. This investigation sought to examine jump-based asymmetries within skateboarders and determine any possible relationships with subjective skating ranking and jumping performance. Twelve recreational skateboarders (age: 24 ± 7 years;...
Article
Purpose: Previously, it has been shown that loaded warm-up (LWU) can improve change-of-direction speed (CODS) in professional badminton players. However, the effect of asymmetry on CODS in badminton players and the influence of LWU on asymmetry has not been examined. Methods: A total of 21 amateur badminton players (age 29.5 [8.4] y, playing exp...
Article
Purpose: Currently, it is unclear which physical characteristics may underpin the change of direction deficit (COD-D). This investigation sought to determine if momentum, speed-, and jump-based measures may explain variance in COD-D. Methods: Seventeen males from a professional soccer academy (age, 16.76 [0.75] y; height, 1.80 [0.06] m; body mas...
Article
The aims of the present study were to: 1) quantify the magnitude and direction of asymmetry from jump and change of direction speed (CODS) tests and, 2) determine the relationship between these asymmetries and jump and CODS performance, in a test-retest design. Thirty Spanish national level youth basketball athletes performed single leg countermove...
Poster
Full-text available
Coach-athlete relationships are transient. Whilst some athletes may fly the nest for positive reasons (i.e. promotions or transfers), athletes must also be prepared for their nest to thrown out of the tree (i.e. deselection or loss of funding). Indeed, as coaches, we may too move on and find another nest to feather. Are we appropriately preparing...
Article
Full-text available
Studies that examine the effects of inter-limb asymmetry on measures of physical performance are scarce, especially in adult female populations. The aim of the present study was to establish the relationship between inter-limb asymmetry and speed and change-of-direction speed (CODS) in adult female soccer players. Sixteen adult players performed a...
Article
The purpose of the present study was to investigate the effects of a competitive soccer match on jump performance and inter-limb asymmetries over incremental time points during a 72-hour (h) period. Fourteen elite adolescent players from a professional English category three academy performed single leg countermovement jumps (SLCMJ) pre, post, 24,...
Article
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Foam rolling and eccentric exercise interventions have been demonstrated to improve range of motion (ROM). However, these two modalities have not been directly compared. Twenty-three academy soccer players (age: 18 ± 1; height: 1.74 ± 0.08 m; body mass: 69.3 ± 7.5 kg) were randomly allocated to either a foam rolling (FR) or eccentric exercise inter...
Article
Full-text available
The current study sought to compare vertical stiffness during bilateral and unilateral drop jumping. Specifically, the inter-session reliabilities and force-deformation profiles associated with each task were to be examined. On three occasions, following familiarisation, fourteen healthy males (age: 22 ± 2 years; height: 1.77 ± 0.08 m; body mass: 7...
Article
Full-text available
Brazier, J, Maloney, S, Bishop, C, Read, PJ, and Turner, AN. Lower extremity stiffness: considerations for testing, performance enhancement, and injury risk. J Strength Cond Res XX (X): 000–000, 2017—Force-deformation characteristics of the lower limb have been associated with athletic performance and may modulate the risk of injury. Despite these...
Article
Full-text available
Maloney, SJ, Richards, J, Jelly, L, and Fletcher, IM. Unilateral stiffness interventions augment vertical stiffness and change of direction speed. J Strength Cond Res 33(2): 372-379, 2019-It has previously been shown that preconditioning interventions can augment change of direction speed (CODS). However, the mechanistic nature of these augmentatio...
Article
Full-text available
This study investigated the effect of preceding pro-agility sprints with maximal isometric squats to determine if postactivation potentiation (PAP) could be harnessed in change of direction speed. Sixteen elite under-17 rugby union players (age: 16 ± 0.41yrs; body mass: 88.7 ± 12.1kg, height: 1.83 ± 0.07m) from an Aviva Premiership rugby club were...
Article
Turner, AN. Determinants of club head speed in PGA professional golfers. J Strength Cond Res 30(8): 2266–2270, 2016—Club head speed (CHS) has been significantly correlated with golf performance , but only in amateurs. The purpose of this study therefore , was to investigate the relationship between field-based measures of strength and power with CH...
Article
Asymmetry in vertical stiffness has been associated with increased injury incidence and impaired performance. The determinants of vertical stiffness asymmetry have not been previously investigated. Eighteen healthy men performed three unilateral drop jumps during which vertical stiffness and joint stiffness of the ankle and knee were calculated. Re...
Article
Full-text available
Whilst the measurement and quantification of vertical leg stiffness (Kvert) asymmetry is of important practical relevance to athletic performance, literature investigating bilateral asymmetry in Kvert is limited. Moreover, how the type of task used to assess Kvert may affect the expression of asymmetry has not been properly determined. Twelve healt...
Article
Full-text available
The purpose of this study was to assess the effects of concurrent activation potentiation (CAP) on countermovement jump (CMJ) performance. Twenty-four resistance trained males (mean ± SD, age 25 ± 4 years; body mass: 78.7 ± 10.3 kg) performed a CMJ on a force plate under four different conditions: a) a control condition where the CMJ was performed...
Article
Full-text available
The assessment of vertical leg stiffness is an important consideration given its relationship to performance. Vertical stiffness is most commonly assessed during a bilateral hopping task. The current study sought to determine the inter-session reliability, quantified by the coefficient of variation, of vertical stiffness during bilateral hopping wh...
Article
It has previously been shown that a loaded warm-up may improve power performances. We examined the acute effects of loaded dynamic warm-up on change of direction speed (CODS); this had not been previously investigated. Eight elite badminton players participated in three sessions during which they performed vertical countermovement jump and CODS tes...

Projects

Project (1)
Project
Our research team has completed a series of papers, that aim to investigate the strength and conditioning practices, perspectives, and job roles of strength and conditioning coaches, sports coaches and athletes from different countries, sports and expertise levels.