The effect of pitch type on ground reaction forces in the baseball swing.

abstract：:The purpose of this study was to compare rowing technique on the dynamic RowPerfect ergometer with a single scull. Eight national-level rowers performed on both the RowPerfect ergometer and in a single scull over 500 m, at rates of 24, 26, and 28 strokes/minute. Blade force and oar angle (on-water) and handle force an...

journal_title：Sports biomechanics

authors： Elliott B,Lyttle A,Birkett O

更新日期：2002-07-01 00:00:00

abstract：:The aim of this study was to understand changes in technique within an athlete's own performance during a sprint hurdles run. Four athletes performed a training session containing four trials each over 10 hurdles. Clearances at hurdles three and nine were videotaped from a side view and manually digitised. All athlete...

journal_title：Sports biomechanics

authors： Salo AI,Scarborough S

更新日期：2006-07-01 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：: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：: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：:Despite many coaching and biomechanical texts describing how the kinematics of the club-head at impact lead to distance and accuracy of the ball flight, there is limited quantitative evidence supporting these assertions. The purpose of this study was to quantify the relationships between club-head kinematics and subse...

journal_title：Sports biomechanics

authors： Sweeney M,Mills P,Alderson J,Elliott B

更新日期：2013-09-01 00:00:00

abstract：:The aim of this study was to test the correlation between knee-to-hip flexion ratio during a single leg landing task and hip and knee strength, and ankle range of motion. Twenty-four male participants from a professional soccer team performed a continuous single leg jump-landing test during 10s, while lower limb kinem...

journal_title：Sports biomechanics

authors： Leporace G,Tannure M,Zeitoune G,Metsavaht L,Marocolo M,Souto Maior A

更新日期：2020-06-01 00:00:00

abstract：:Metatarsal and midfoot injuries are common in American football. Footwear design may influence injury rates by altering plantar foot loading patterns in these regions. The purpose of this study was to determine the effect of cleat design on in-shoe plantar foot loading during a football-specific, resisted pushing task...

journal_title：Sports biomechanics

authors： Taylor JB,Nguyen AD,Griffin JR,Ford KR

更新日期：2018-06-01 00:00:00

abstract：:The present study aimed to assess the differences in leg stiffness and the associated performance variables between athletes from various training backgrounds during tasks relevant to athletic training. Forty-seven female participants (20 nationally identified netballers, 13 high-level endurance athletes and 14 age-ma...

journal_title：Sports biomechanics

authors： Millett EL,Moresi MP,Watsford ML,Taylor PG,Greene DA

更新日期：2021-02-01 00:00:00

abstract：:This paper propose innovative eco-fitness equipment-a water buoyancy muscular machine (WBM machine) in which resistance is generated by buoyancy and fluid resistance. The resistance characteristics during resistance adjustment and under isometric, concentric, eccentric and isokinetic conditions were investigated and c...

journal_title：Sports biomechanics

authors： Chen WH,Liu YC,Tai HH,Liu C

更新日期：2018-03-01 00:00:00

abstract：:This study aimed to explore the effect of the knee angle and loading condition on the magnitude and reliability of squat jump (SJ) performance variables. Thirteen male sport sciences students performed in a random order 4 SJ types (knee angle of 80º [SJ80], 90º [SJ90], 100º [SJ100], and self-preferred [SJpref]) agains...

journal_title：Sports biomechanics

authors： Janicijevic DN,Knezevic OM,Mirkov DM,Pérez-Castilla A,Petrovic MR,García-Ramos A

更新日期：2019-06-24 00:00:00

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：:This study aimed to analyse the effects of a simulated Brazilian jiu-jitsu (BJJ) tournament on vertical jump performance, grip strength test and perceived effort responses. 22 male BJJ athletes participated in a simulated tournament consisting of three 7 min matches separated by 14 min of rest. Kimono grip strength te...

journal_title：Sports biomechanics

authors： Detanico D,Dellagrana RA,Athayde MS,Kons RL,Góes A

更新日期：2017-03-01 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：:The purpose of this study was to establish the asymmetry and body wave characteristics related to shoulder, hip, knee, and ankle roll in unilateral arm amputee swimmers. Three unilateral arm amputee swimmers, including one Paralympic medallist (swimmer A), volunteered in this study. They conducted two 10-15 s front cr...

journal_title：Sports biomechanics

authors： Gonjo T,Kishimoto T,Sanders R,Saito M,Takagi H

更新日期：2019-09-27 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：:The effect of anthropometric differences in shank to thigh length ratio upon timing and magnitude of joint power production during the drive phase of the rowing stroke was investigated in 14 elite male rowers. Rowers were tested on the RowPerfect ergometer which was instrumented at the handle and foot stretcher to mea...

journal_title：Sports biomechanics

authors： Greene AJ,Sinclair PJ,Dickson MH,Colloud F,Smith RM

更新日期：2009-11-01 00:00:00

abstract：:The effects of treadmill running on impact acceleration were examined together with the interaction between running surface and runner's fatigue state. Twenty recreational runners (11 men and 9 women) ran overground and on a treadmill (at 4.0 m/s) before and after a fatigue protocol consisting of a 30-minute run at 85...

journal_title：Sports biomechanics

authors： García-Pérez JA,Pérez-Soriano P,Llana Belloch S,Lucas-Cuevas AG,Sánchez-Zuriaga D

更新日期：2014-09-01 00:00:00

abstract：:This study explored the effects of no braces, softshell (AE), and semi-rigid (T1) ankle braces on time to complete a modified agility task, as well as lower extremity muscle activity and impulse during the change of direction component of the task. Thirty-nine healthy, active individuals completed a modified agility t...

journal_title：Sports biomechanics

authors： Henderson ZJ,Sanzo P,Zerpa C,Kivi D

更新日期：2020-07-09 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 purpose of this study was to compare the lower extremity inter-joint coordination of different collision forces runners during running braking phase. A dynamical system approach was used to analyse the inter-joint coordination parameters. Data were collected with six infra-red cameras and two force plates. Accordi...

journal_title：Sports biomechanics

authors： Wang LI,Gu CY,Wang IL,Siao SW,Chen ST

更新日期：2018-06-01 00:00:00

abstract：:Biomechanics education is a vital component of kinesiology, sports medicine, and physical education, as well as for many biomedical engineering and bioengineering undergraduate programmes. Little research exists regarding effective teaching strategies for biomechanics. However, prior work suggests that student learnin...

journal_title：Sports biomechanics

authors： Riskowski JL

更新日期：2015-06-01 00:00:00

abstract：:The topspin tennis forehand drive has become a feature of modern game; yet, as compared to the serve, there has been little research analysing its kinematics. This is surprising given that there is considerably more variation in the execution of the topspin forehand. Our study is the first to examine the amplitude of ...

journal_title：Sports biomechanics

authors： Genevois C,Reid M,Creveaux T,Rogowski I

更新日期：2020-04-01 00:00:00

abstract：:To assess the influence of age and skill level on handball throwing kinematics and performance, 126 participants were distributed into groups according to their skill level (elite or recreational) and age group (U12, U16 or +18). Each participant performed three sets of 10 throws, aiming to hit a target (40 × 40 cm) l...

journal_title：Sports biomechanics

authors： Moreno FJ,Hernández-Davó JL,García JA,Sabido R,Urbán T,Caballero C

更新日期：2020-09-03 00:00:00

abstract：:The purpose of this study was to assess the within- and between-session reliability of lower limb biomechanics in two sport-specific sidestep cutting tasks performed by elite female handball and football (soccer) athletes. Moreover, we aimed at determining the minimum number of trials necessary to obtain a reliable me...

journal_title：Sports biomechanics

authors： Mok KM,Bahr R,Krosshaug T

更新日期：2018-06-01 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：:Kinematic studies have shown that fast bowlers have run-up velocities, based on centre of mass velocity calculations, which are comparable to elite javelin throwers. In this study, 34 fast bowlers (22.3 +/- 3.7 years) of premier grade level and above were tested using a three-dimensional (3-D) motion analysis system (...

journal_title：Sports biomechanics

authors： Ferdinands R,Marshall RN,Kersting U

更新日期：2010-09-01 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：:The purpose of this study was to determine if body position, weight transfer, and/or pelvis/trunk rotations changed as a result of a golf specific fatiguing protocol and whether these changes affected resultant club head velocity at impact and shot consistency. Six male golfers and one female golfer participated in th...

journal_title：Sports biomechanics

authors： Higdon NR,Finch WH,Leib D,Dugan EL

更新日期：2012-06-01 00:00:00

abstract：:Sprint kayaking stroke phase descriptions for biomechanical analysis of technique vary among kayaking literature, with inconsistencies not conducive for the advancement of biomechanics applied service or research. We aimed to provide a consistent basis for the categorisation and analysis of sprint kayak technique by p...

journal_title：Sports biomechanics

authors： McDonnell LK,Hume PA,Nolte V

更新日期：2012-11-01 00:00:00