How do elite artistic swimmers generate fluid forces by hand during sculling motions?

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：:In volleyball, the overhead pass is an important skill for passing a ball and making a set to attackers. In the present study, we analysed the overhead pass motion and involved muscle activity with special attention to the stretch-shortening cycle (SSC). Electromyogram was recorded from the wrist and elbow joint flexo...

journal_title：Sports biomechanics

authors： Ozawa Y,Uchiyama S,Ogawara K,Kanosue K,Yamada H

更新日期：2019-05-08 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 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：: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

abstract：:The recent popularization and technological improvements of synthetic or artificial ice surfaces provide an attractive alternative to real ice in venues where the latter is impractical to install. Potentially, synthetic ice (SI) may be installed in controlled laboratory settings to permit detailed biomechanical analys...

journal_title：Sports biomechanics

authors： Stidwill TJ,Pearsall D,Turcotte R

更新日期：2010-03-01 00:00:00

abstract：:Groin pain is a common cause of athletic disability and often involves the adductor longus. A common complaint of patients with groin problems is pain while preparing to kick the ball. The purpose of this study was to examine muscle length and activation of the adductor longus while kicking a soccer ball. Three-dimens...

journal_title：Sports biomechanics

authors： Charnock BL,Lewis CL,Garrett WE Jr,Queen RM

更新日期：2009-09-01 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：:To clarify the defending-dribbler mechanism, the interaction between the dribbler and defender should be investigated. The purposes of this study were to identify variables that explain the outcome (i.e. 'penetrating' and 'guarding') and to understand how defenders stop dribblers by categorising defensive patterns. Te...

journal_title：Sports biomechanics

authors： Fujii K,Yamashita D,Yoshioka S,Isaka T,Kouzaki M

更新日期：2014-09-01 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：:This study aimed to investigate: (1) the prevalence and magnitude of breast movement asymmetry, (2) the interaction between static and dynamic breast asymmetry and (3) the influence of sports bras on breast asymmetry during running. Position data were collected from 167 females whilst treadmill running and then a sub-...

journal_title：Sports biomechanics

authors： Exell TA,Milligan A,Burbage J,Risius D,Sanchez A,Horler B,Mills C,Wakefield-Scurr J

更新日期：2019-06-14 00:00:00

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：:Wearable resistance training involves added load attached directly to the body during sporting movements. The effects of load position during running are not yet fully established. Therefore, the purpose of this research was to determine spatio-temporal and kinetic characteristics during submaximal running using upper...

journal_title：Sports biomechanics

authors： Couture GA,Simperingham KD,Cronin JB,Lorimer AV,Kilding AE,Macadam P

更新日期：2020-10-01 00:00:00

abstract：:Isokinetic dynamometry is used in the assessment and rehabilitation of shoulder function in tennis players. The aim of this study was to validate a newly installed Biodex III Isokinetic Dynamometer for internal and external shoulder rotation. A non-injured male performed this movement which replicates an integral sect...

journal_title：Sports biomechanics

authors： Tunstall H,Mullineaux DR,Vernon T

更新日期：2005-01-01 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：: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：:No objective criteria exist for progressing athletes into cutting manoeuvres following ACL reconstruction (ACLR). The purpose of this study was to evaluate the relationship between a jump-cut task (JC) and the single-limb squat (SLS) in both ACLR and healthy controls. Case-control, laboratory based. Twenty-three parti...

journal_title：Sports biomechanics

authors： Scarneo-Miller SE,Sorge JE,Beltz EM,Martinez JC,Root HJ,Burland JP,Trojian TH,DiStefano LJ

更新日期：2019-11-11 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：: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：:The tennis serve generates high musculoskeletal loads at the shoulder complex, making athletes particularly vulnerable to chronic injuries, especially adolescent players. Chronic injuries are commonly related to altered scapular kinematics. This study explored the effects of a history of shoulder problems involving hu...

journal_title：Sports biomechanics

authors： Gillet B,Begon M,Diger M,Berger-Vachon C,Rogowski I

更新日期：2018-11-09 00:00:00

abstract：:When the ankle is forced into inversion, the speed at which this movement occurs may affect the extent of injury. The purpose of this investigation was to develop a fulcrum device to mimic the mechanism of a lateral ankle sprain and to determine the reliability and validity of the temporal variables produced by this d...

journal_title：Sports biomechanics

authors： Knight AC,Weimar WH

更新日期：2012-09-01 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：:This study aimed to determine if starting with the feet above the water (FAW) in male backstroke swimming resulted in faster start times (15-m time) than when the feet were underwater (FUW). It was hypothesised that setting higher on the wall would generate increased horizontal force and velocity, resulting in quicker...

journal_title：Sports biomechanics

authors： Nguyen C,Bradshaw EJ,Pease D,Wilson C

更新日期：2014-06-01 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：: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：:This study looks at segmental movements in the jumping header from an optimization viewpoint. Investigations on the header so far have focused on head restriction in the movement but have not clarified how and to what extent body segments influence the performance of the skill. In the present study a biomechanical mod...

journal_title：Sports biomechanics

authors： Kristensen LB,Andersen TB,Sørensen H

更新日期：2004-07-01 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

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：: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