Is starting with the feet out of the water faster in backstroke swimming?

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 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：: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：: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 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：: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：: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：: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：: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 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 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：: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 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 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 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：:Goaltenders in the sport of ice hockey are at high risk for concussions from falls to the ice, player collisions and puck impacts. However, current methods used to certify helmets only consider head accelerations for drop tests which may not describe all common injury mechanisms relating to concussion. The purpose of ...

journal_title：Sports biomechanics

authors： Clark JM,Hoshizaki TB,Gilchrist MD

更新日期：2020-08-01 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：: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：:In-shoe plantar pressure systems are commonly used in clinical and research settings to assess foot function during functional tasks. Recently, Tekscan® has updated their F-Scan® in-shoe plantar pressure system; however, this system's test-retest reliability has not been established. Therefore, the purpose of this stu...

journal_title：Sports biomechanics

authors： Patrick K,Donovan L

更新日期：2018-03-01 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：: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：: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：: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：: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 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：: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：: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：: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：: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：: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