Magnitude and reliability of mechanical outputs obtained during loaded squat jumps performed from different knee angles.

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：:Abnormal foot motion is considered to be related to sports related injuries. This study aimed to identify the relationship between calf muscle activity and inter-segment coordination of the foot during single-leg drop jumps. Eleven healthy men participated and performed single-leg drop jumps from a 30-cm box. Muscle a...

journal_title：Sports biomechanics

authors： Akuzawa H,Imai A,Iizuka S,Matsunaga N,Kaneoka K

更新日期：2020-08-31 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：: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 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：: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：: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：: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：: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 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：: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：: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：:The serve, as the most important stroke in tennis, has attracted considerable biomechanical interest. Of its component parts, the swing has received disproportionate research attention and consequently, little is known regarding toss kinematics. Indeed, the age-old question of whether players serve to different parts ...

journal_title：Sports biomechanics

authors： Reid M,Whiteside D,Elliott B

更新日期：2011-11-01 00:00:00

abstract：:Hip extensor strategy, specifically relative contribution of gluteus maximus versus hamstrings, will influence quadriceps effort required during squat exercise, as hamstrings and quadriceps co-contract at the knee. This research examined the effects of hip extensor strategy on quadriceps relative muscular effort (RME)...

journal_title：Sports biomechanics

authors： Bryanton MA,Carey JP,Kennedy MD,Chiu LZ

更新日期：2015-03-01 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：:The purpose of this study was to clarify how elite artistic (synchronised) swimmers generate fluid forces with their hands during two kinds of sculling motions: flat sculling in the back-layout position and support sculling in the vertical position. We used the pressure-distribution measuring method to estimate unstea...

journal_title：Sports biomechanics

authors： Homma M,Okamoto Y,Takagi H

更新日期：2019-11-13 00:00:00

abstract：:In many sports, the maximum swing speed of a racket, club, or bat is a key performance parameter. Previous research in multiple sports supports the hypothesis of an inverse association between the swing speed and moment of inertia of an implement. The aim of this study was to rigorously test and quantify this relation...

journal_title：Sports biomechanics

authors： Schorah D,Choppin S,James D

更新日期：2015-06-01 00:00:00

abstract：:Resistance exercise on Earth commonly involves both body weight and external load. When developing exercise routines and devices for use in space, the absence of body weight is not always adequately considered. This study compared musculoskeletal load distribution during two flywheel resistance knee-extension exercise...

journal_title：Sports biomechanics

authors： Sjöberg M,Berg HE,Norrbrand L,Andersen MS,Gutierrez-Farewik EM,Sundblad P,Eiken O

更新日期：2020-06-05 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：:Real-world cycling performance depends not only on exercise capacities, but also on efficiently traversing the bicycle through the terrain. The aim of this study was to determine if it was possible to quantify the braking done by a cyclist in the field. One cyclist performed 408 braking trials (348 on a flat road; 60 ...

journal_title：Sports biomechanics

authors： Miller MC,Fink PW,Macdermid PW,Perry BG,Stannard SR

更新日期：2018-09-01 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：:Although deterministic models may provide a useful starting point for sports biomechanists examining the mechanical aspects of athletic performance, they have inherent weaknesses that limit their proctical application. Specifically, their inability to provide substantive information about coordinative movement pattern...

journal_title：Sports biomechanics

authors： Glazier PS,Robins MT

更新日期：2012-03-01 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 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 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：: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 biomechanics of the golf swing have received considerable attention in previous research. However, existing studies have focused on young athletes, while the kinematics of older golfers remain poorly documented. This study presents kinematic data for healthy senior golfers during swings performed with a driver and...

journal_title：Sports biomechanics

authors： Severin AC,Tackett SA,Barnes CL,Mannen EM

更新日期：2019-08-27 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 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