Influence of biomechanical models on joint kinematics and kinetics in baseball pitching.

abstract：:Tibial acceleration is a surrogate measure for impact loading and might be useful for identifying lower limb fatigue injury in runners. The resultant tibial acceleration calculated from all three axes of a triaxial accelerometer provides a single metric that is independent of the sensor orientation. The purpose of thi...

journal_title：Sports biomechanics

authors： Sheerin KR,Besier TF,Reid D

更新日期：2020-12-01 00:00:00

abstract：:This study examined the influence of the TherabandTM CLX gold band on lower-limb muscle activity and kinematics during an overhead barbell squat. Participants performed two sets (band and no-band) of 12 repetitions of overhead barbell squats at 25% bodyweight. Three-dimensional kinematics were measured using motion ca...

journal_title：Sports biomechanics

authors： Forman DA,Forman GN,Button DC,Holmes MWR

更新日期：2018-12-11 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：:This study aimed to identify the primary factors that induce rearfoot external eversion moments due to ground reaction force (GRF) in non-rearfoot strikers. The data were compared with those of rearfoot strikers. Totally, 11 healthy males who were habitually non-rearfoot strikers ran barefoot. Rearfoot external eversi...

journal_title：Sports biomechanics

authors： Tsujimoto N,Nunome H,Mizuno T,Inoue K,Matsui K,Matsugi R,Ikegami Y

更新日期：2019-01-29 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：:The aim of this study was to investigate the effects of target distance on temporal and impact force parameters that are important performance factors in taekwondo kicks. Forty-nine taekwondo athletes (age = 24.5 +/- 5.9 years; mass = 79.9 +/- 10.8 kg) were recruited: 13 male experts, 21 male novices, 8 female experts...

journal_title：Sports biomechanics

authors： Falco C,Molina-García J,Alvarez O,Estevan I

更新日期：2013-11-01 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：: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：: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：: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：: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：:Anticipation of ground reaction force (GRF) in depth jumping requires multisensory integration of exteroceptive, vestibular, and proprioceptive inputs. Vision contributes to the anticipation of GRF in drop landings and may influence depth jump performance when disrupted. The purpose of this investigation was to evalua...

journal_title：Sports biomechanics

authors： Kroll M,Preuss J,Ness BM,Dolny M,Louder T

更新日期：2020-06-08 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：: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：: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：: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：:The purpose of present study was to investigate site differences in the effects of strain rate on tendon properties between knee extensors and plantar flexors. Elongation of tendon structures (L) in vastus lateralis and medial gastrocnemius muscles was measured by ultrasonography while participants performed ramp and ...

journal_title：Sports biomechanics

authors： Kouno M,Ishigaki T,Ikebukuro T,Yata H,Kubo K

更新日期：2019-06-24 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：: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 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：: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：: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：:The aim of this study was to compare a batsman's running and turning speed during three runs while wearing either traditional batting pads or one of two models of newly designed cricket batting pads. Fifteen cricketers participated. The running and turning speeds were measured on three different days with players usin...

journal_title：Sports biomechanics

authors： Loock N,Du Toit DE,Ventner DJ,Stretch RA

更新日期：2006-01-01 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：: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：:Inverse Dynamics is routinely used in biomechanics for the estimation of loading in the musculoskeletal system but there are problems with the terms and definitions and even official recommendations introduce artificial and incorrect mechanical constructs to justify arbitrary and inappropriate terms. These terminology...

journal_title：Sports biomechanics

authors： Baltzopoulos V

更新日期：2021-01-12 00:00:00

abstract：:This study investigated additional and traditional variables from isokinetic test of thigh muscles in soccer players across different field positions. One hundred and eighty-nine athletes performed maximal concentric isokinetic knee contractions on dominant (DL) and non-dominant limb (NDL) at 60º/s and 240º/s. The add...

journal_title：Sports biomechanics

authors： Maciel DG,Dantas GAF,Cerqueira MS,Barboza JAM,Caldas VVA,de Barros ACM,Varela RR,Magalhães DH,de Brito Vieira WH

更新日期：2020-07-16 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：:In this study, we compared sprint kinematics of sled towing and vest sprinting with the same relative loads. Twenty athletes performed 30-m sprints in three different conditions: (a) un-resisted, (b) sled towing, and (c) vest sprinting. During sled towing and vest sprinting, external loads of 15% and 20% of body mass ...

journal_title：Sports biomechanics

authors： Cronin J,Hansen K,Kawamori N,McNair P

更新日期：2008-05-01 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