Criterion validity of an isokinetic dynamometer to assess shoulder function in tennis players.

abstract：:Sex differences in common sports injuries to the lower extremity have been reported. Biomechanical factors of the hip have been investigated between sexes with regard to running-related injury. This study investigates gluteal muscle forces between sexes to aid in our understanding of sex-related biomechanical factors ...

journal_title：Sports biomechanics

authors： Vannatta CN,Kernozek TW

更新日期：2018-12-11 00:00:00

abstract：:In the sprint start, a defined sequence of distinct response delays occurs before the athlete produces a movement response. Excitation of lower limb muscles occurs prior to force production against the blocks, culminating in a movement response. The time delay between muscle excitation and movement, electromechanical ...

journal_title：Sports biomechanics

authors： Crotty ED,Hayes K,Harrison AJ

更新日期：2019-10-01 00:00:00

abstract：:The objective of this study was to investigate the effects of a simulated futsal match protocol on isokinetic knee torque production. Twenty-one young futsal players participated in this study and performed a futsal-specific protocol comprising two blocks of 20-minute activities to simulate the match demands. At pre-p...

journal_title：Sports biomechanics

authors： Dal Pupo J,Detanico D,Santos SG

更新日期：2014-11-01 00:00:00

abstract：:The purpose of the investigation was to study the relationship between thrust phase duration, ground reaction force, velocity increase after pole thrust and pole angles versus pole length during double poling in roller skiing. Seven male regional elite cross-country skiers volunteered as subjects for the study. The su...

journal_title：Sports biomechanics

authors： Nilsson J,Jakobsen V,Tveit P,Eikrehagen O

更新日期：2003-07-01 00:00:00

abstract：:Since clubface orientation at impact affects ball direction and ball spin, the ability to control clubface orientation is one of the most important skills for golfers. This study presents a new method to describe clubface orientation as a function of the clubshaft motions (i.e., swing plane orientation, clubshaft angl...

journal_title：Sports biomechanics

authors： Takagi T,Yokozawa T,Inaba Y,Matsuda Y,Shiraki H

更新日期：2017-09-01 00:00:00

abstract：:In this study, we aimed to analyse goalball players time-motion variables (distance covered, time spent, maximum and average velocities) in official goalball match attacks, taking into account the attack phases (preparation and throwing), player position (centres and wings) and throwing techniques (frontal, spin and b...

journal_title：Sports biomechanics

authors： Monezi LA,Magalhães TP,Morato MP,Mercadante LA,Furtado OLPDC,Misuta MS

更新日期：2019-10-01 00:00:00

abstract：:Radar technology can be used to perform horizontal force-velocity-power profiling during sprint-running. The aim of this study was to determine the reliability of radar-derived profiling results from short sprint accelerations. Twenty-seven participants completed three 30 m sprints (intra-day analysis), and nine parti...

journal_title：Sports biomechanics

authors： Simperingham KD,Cronin JB,Pearson SN,Ross A

更新日期：2019-02-01 00:00:00

abstract：:Full body kinematics and electromyographic (EMG) patterns may alter based on the workloads that are encountered during cycling. Understanding the effect of differing intensities on the cyclist can guide clinicians and bike fitters in improving specific muscle strength and cycling posture to optimise training and racin...

journal_title：Sports biomechanics

authors： Holliday W,Theo R,Fisher J,Swart J

更新日期：2019-09-02 00:00:00

abstract：:Drag is one of the major factors that influences kayaking performance. To focus on the drag of the kayak's hull shape and the paddlers' weight per se, the passive drag (Dp) was measured on a flat-water sprint course for one paddler with added weights. Dp was measured by an electromechanical towing device using a load ...

journal_title：Sports biomechanics

authors： Gomes BB,Conceição FA,Pendergast DR,Sanders RH,Vaz MA,Vilas-Boas JP

更新日期：2015-01-01 00:00:00

abstract：:The serve is considered amongst the most important strokes in tennis. Not surprisingly, the development of a mechanically consistent and proficient serve is paramount. Correspondingly, drills that involve players serving with their eyes closed are thought to promote mechanical consistency. The purpose of this study wa...

journal_title：Sports biomechanics

authors： Giblin G,Whiteside D,Reid M

更新日期：2017-03-01 00:00:00

abstract：:The aim of this study was to determine whether elite 1500-m runners differ in their running kinematics from national-standard 1500-m runners. Six national-standard male runners (seasonal best: 3 min 49.2 s +/- 3.2 s) were assessed during the second lap of a 1500-m race. Their running kinematics was then compared with ...

journal_title：Sports biomechanics

authors： Leskinen A,Häkkinen K,Virmavirta M,Isolehto J,Kyröläinen H

更新日期：2009-03-01 00:00:00

abstract：:Shock reduction has been well studied in moderate activities such as walking and running. However, there is a clear lack of research concerning shock wave transmission and reduction in more strenuous landing activities. In this study, we examined the impact of shock transmission and reduction in landing activities wit...

journal_title：Sports biomechanics

authors： Zhang S,Derrick TR,Evans W,Yu YJ

更新日期：2008-05-01 00:00:00

abstract：:Although landing in a plantarflexion and inversion position is a well-known characteristic of lateral ankle sprains, the associated kinematics of the knee and hip is largely unknown. Therefore, the purpose of this study was to examine the changes in knee and hip kinematics during landings on an altered landing surface...

journal_title：Sports biomechanics

authors： Valenzuela KA,Bhaskaran D,Hummer C,Schefano A,Zhang S

更新日期：2016-11-01 00:00:00

abstract：:This study investigated whether an increase in the forefoot bending stiffness of a badminton shoe would positively affect agility, comfort and biomechanical variables during badminton-specific movements. Three shoe conditions with identical shoe upper and sole designs with different bending stiffness (Flexible, Regula...

journal_title：Sports biomechanics

authors： Park SK,Lam WK,Yoon S,Lee KK,Ryu J

更新日期：2017-09-01 00:00:00

abstract：:The proliferation of new biomechanical technology in laboratory and field settings facilitates the capture of data-sets consisting of complex time-series. An understanding of the appropriate statistical approaches for analysing and interpreting these data-sets is required and the functional data analysis (FDA) family ...

journal_title：Sports biomechanics

authors： Warmenhoven J,Cobley S,Draper C,Harrison A,Bargary N,Smith R

更新日期：2019-06-01 00:00:00

abstract：:The objective of this study was to identify the key biomechanical patterns (functional muscles and kinematics) of amateur horse riders during various cross-country jumps in equestrian. Eleven riders first performed a control condition that corresponded to jumps over three different obstacles (log wall, brush and tree ...

journal_title：Sports biomechanics

authors： Fortier Guillaume J,Laroche D,Babault N

更新日期：2019-04-17 00:00:00

abstract：:Cutting in soccer is a common skill used to avoid the opponent's pressure but the potential effects of such a skill on instep kicking performance have not been previously investigated. The purpose of this study was to examine the differences in lower limb biomechanics between straight approach soccer kicks and kicks p...

journal_title：Sports biomechanics

authors： Katis A,Kellis E

更新日期：2011-03-01 00:00:00

abstract：:The purpose was to study the adaptation to speed in the temporal patterns of the movement cycle and determine any differences in velocity, cycle rate and cycle length at the maximum speed level in the different classical style and freestyle cross-country skiing techniques. Eight skilled male cross-country skiers were ...

journal_title：Sports biomechanics

authors： Nilsson J,Tveit P,Eikrehagen O

更新日期：2004-01-01 00:00:00

abstract：:Training to reduce landing forces is a common component of anterior cruciate ligament injury prevention programmes. The purpose of this study was to compare the effects of training incorporating instructions promoting an internal versus external attentional focus on landing forces in adolescent rugby athletes. Twenty-...

journal_title：Sports biomechanics

authors： Widenhoefer TL,Miller TM,Weigand MS,Watkins EA,Almonroeder TG

更新日期：2019-04-01 00:00:00

abstract：:The purpose of this study was to describe the mechanical characteristics of a trampoline circus act and its individual tracks performed in training and shows using a tri-axial accelerometer. A track is an artist's specific role within a choreographed act. Seven male acrobats performed their trampoline act during train...

journal_title：Sports biomechanics

authors： Barker L,Burnstein B,Mercer J

更新日期：2020-04-01 00:00:00

abstract：:The Tkatchev on the high bar is a release and re-grasp skill in which the gymnast rotates in a direction during flight opposite to that of the preceding swing. Since the release window is defined as the time during which the gymnast has appropriate linear and angular momentum to ensure the bar can be re-grasped, it wa...

journal_title：Sports biomechanics

authors： Hiley MJ,Yeadon MR,Buxton E

更新日期：2007-05-01 00:00:00

abstract：:In this paper, I review biomechanics research in ski jumping with a specific focus on publications presented between 1991 and 2006 on performance enhancement, limiting factors of the take-off, specific training and conditioning, aerodynamics, and safety. The first section presents a brief description of ski jumping ph...

journal_title：Sports biomechanics

authors： Schwameder H

更新日期：2008-01-01 00:00:00

abstract：:The biomechanics of the rotational shot put is used to direct coaching to enhance throwing performance. Maximising shot put distance and velocity at the point of release through increasing momentum is of interest to coaches. This narrative review aimed to examine and summarise the critical kinematic variables within e...

journal_title：Sports biomechanics

authors： Schofield M,Cronin JB,Macadam P,Hébert-Losier K

更新日期：2019-08-01 00:00:00

abstract：:Consecutive proximal-to-distal sequencing of motion is considered to be integral for generating high velocity of distal segments in many sports. Simultaneous usage of proximal and distal segments as seen in martial arts is by far less well investigated. Therefore, the aim of the study was to characterise and different...

journal_title：Sports biomechanics

authors： Fuchs PX,Lindinger SJ,Schwameder H

更新日期：2018-11-01 00:00:00

abstract：:An understanding of test-retest reliability is important for biomechanists, such as when assessing the longitudinal effect of training or equipment interventions. Our aim was to quantify the test-retest reliability of biomechanical variables measured during short-term maximal cycling. Fourteen track sprint cyclists pe...

journal_title：Sports biomechanics

authors： Burnie L,Barratt P,Davids K,Worsfold P,Wheat J

更新日期：2020-08-11 00:00:00

abstract：:Coaches have identified the batter's weight shift as a critical component for promoting proper timing and balance in a baseball swing. Analysing the weight shift through maximum horizontal (Fx) and vertical (Fz) ground reaction forces (GRFs) of professional batters (N = 29; height = 185 +/- 6 cm; mass = 92 +/- 9 kg), ...

journal_title：Sports biomechanics

authors： Fortenbaugh D,Fleisig G,Onar-Thomas A,Asfour S

更新日期：2011-11-01 00:00:00

abstract：:Joint angles of the throwing limb were examined from the acceleration phase up until release for the sidearm throwing motion when using a flying disc. 17 individuals (ten skilled, seven unskilled) threw a disc as far as possible ten times. Throwing motions were recorded using three-dimensional high-speed videography. ...

journal_title：Sports biomechanics

authors： Sasakawa K,Sakurai S

更新日期：2008-09-01 00:00:00

abstract：:In the current study, we quantified biological movement variability on the start and early acceleration phase of sprinting. Ten male athletes aged 17-23 years (100-m personal best: 10.87 +/- 0.36s) performed four 10-m sprints. Two 250-Hz cameras recorded the sagittal plane action to obtain the two-dimensional kinemati...

journal_title：Sports biomechanics

authors： Bradshaw EJ,Maulder PS,Keogh JW

更新日期：2007-09-01 00:00:00

abstract：:The rowing stroke is a leg-driven action, in which forces developed by the lower limbs provide a large proportion of power delivered to the oars. In terms of both performance and injury, it is important to initiate each stroke with powerful and symmetrical loading of the foot stretchers. The aims of this study were to...

journal_title：Sports biomechanics

authors： Buckeridge EM,Bull AM,McGregor AH

更新日期：2014-03-01 00:00:00

abstract：:Sprint start performance has previously been quantified using several different measures. This study aimed to identify whether different measures could influence the performance-based ranking within a group of 12 sprinters, and if so, to identify the most appropriate measure. None of the 10 performance measures ranked...

journal_title：Sports biomechanics

authors： Bezodis NE,Salo AI,Trewartha G

更新日期：2010-11-01 00:00:00