Relevant bibliographies by topics / Push-off distance

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Push-off distance'

Author: Grafiati
Published: 31 May 2025
Last updated: 31 July 2025

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Journal articles on the topic "Push-off distance"

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Trinidad, Alfonso, Santiago Veiga, Enrique Navarro, and Alberto Lorenzo. "The Transition from Underwater to Surface Swimming During the Push-off Start in Competitive Swimmers." Journal of Human Kinetics 72, no. 1 (2020): 61–67. http://dx.doi.org/10.2478/hukin-2019-0125.

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AbstractThe objective of the present study was to analyze (based on gender and the style of swimming) the kinematic parameters of the transition phase between underwater swimming and surface swimming after the push-off start in competitive national swimmers. Seventy-four swimmers participating in the Spanish Swimming Championships were filmed and analyzed by DLT-2D photogrammetry during the start with the push-off in crawl, backstroke and butterfly styles. Between genders there were small differences in the distance and speed of transition. The male swimmers travelled greater distances (0.84 ±
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Trinidad, Alfonso. "Kinematic analysis of the underwater glide phase during the push-off in competitive swimmers." PLOS ONE 19, no. 1 (2024): e0296101. http://dx.doi.org/10.1371/journal.pone.0296101.

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The aim of the study was to analyze the kinematic parameters of the push-off start during the underwater glide in competitive swimmers. 74 swimmers participating in the Spanish Championships were filmed and analyzed by DLT-2D photogrammetry after the push-off start in crawl, backstroke and butterfly. Between genders there were differences in distance and speed. Male swimmers covered greater distances (1.37±0.06 vs 1.20±0.05 m, η2 = 0.02, F = 3.85, p = 0.05) and were faster (2.36±0.03 and 2.08±0.03 m/s, η2 = 0.14, F = 36.14, p<0.001) than female swimmers. Between strokes there were greater d
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Bäcklund, Tomas, Helena Grip, Fredrik Öhberg, and Nina Sundström. "Single sensor measurement of heel-height during the push-off phase of gait." Physiological Measurement 42, no. 10 (2021): 105016. http://dx.doi.org/10.1088/1361-6579/ac325c.

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Abstract Objective. In healthy gait a forceful push-off is needed to get an efficient leg swing and propulsion, and a high heel lift makes a forceful push-off possible. The power of the push-off is decreased with increased age and in persons with impaired balance and gait. The aim of this study was to evaluate whether a wearable equipment (Striton) and algorithms to estimate vertical heel-height during gait from a single optical distance sensor is reliable and feasible for clinical applications. Approach. To assess heel-height with the Striton system an optical distance sensor was used to meas
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Jiménez-Reyes, Pedro, Pierre Samozino, Fernando Pareja-Blanco, et al. "Validity of a Simple Method for Measuring Force-Velocity-Power Profile in Countermovement Jump." International Journal of Sports Physiology and Performance 12, no. 1 (2017): 36–43. http://dx.doi.org/10.1123/ijspp.2015-0484.

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Purpose:To analyze the reliability and validity of a simple computation method to evaluate force (F), velocity (v), and power (P) output during a countermovement jump (CMJ) suitable for use in field conditions and to verify the validity of this computation method to compute the CMJ force–velocity (F–v) profile (including unloaded and loaded jumps) in trained athletes.Methods:Sixteen high-level male sprinters and jumpers performed maximal CMJs under 6 different load conditions (0–87 kg). A force plate sampling at 1000 Hz was used to record vertical ground-reaction force and derive vertical-disp
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Rozhkov, Vladyslav, Arkadiusz Stanula, Liliana Riadova, Daria Okun, and Svitlana Stadnyk. "BIOKINEMATIC CHARACTERISTICS OF THE TRIPLE JUMP TECHNIQUE IN QUALIFIED ATHLETES." Слобожанський науково-спортивний вісник 28, no. 1 (2024): 23–30. http://dx.doi.org/10.15391/snsv.2024-1.003.

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The purpose of the study is to investigate the biokinematic characteristics of the triple jump technique in qualified athletes. Material and methods. The technique of the final attempts of qualified triple jumpers during the 2023 World Athletics Championships was analyzed. The following methods were used in the work: analysis and synthesis of scientific and methodological literature, analysis of video materials, methods of mathematical statistics. The video of the final attempts was used, provided for public use by the International Athletics Federation (World Athletics). The attempts were rec
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Huang, Chao, Fuping Zhang, Zhengyi Xu, and Jianming Wei. "Adaptive Pedestrian Stride Estimation for Localization: From Multi-Gait Perspective." Sensors 22, no. 8 (2022): 2840. http://dx.doi.org/10.3390/s22082840.

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Accurate and reliable stride length estimation modules play a significant role in Pedestrian Dead Reckoning (PDR) systems, but the accuracy of stride length calculation suffers from individual differences. This paper presents a stride length prediction strategy for PDR systems that can be adapted across individuals and broad walking velocity fields. It consists of a multi-gait division algorithm, which can divide a full stride into push-off, swing, heel-strike, and stance based on multi-axis IMU data. Additionally, based on the acquired gait phases, the correlation between multiple features of
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Samadzadeh, Sara, Harald Hefter, Osman Tezayak, and Dietmar Rosenthal. "Mildly Impaired Foot Control in Long-Term Treated Patients with Wilson’s Disease." Journal of Functional Morphology and Kinesiology 7, no. 1 (2021): 5. http://dx.doi.org/10.3390/jfmk7010005.

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Abnormal gait is a common initial symptom of Wilson’s disease, which responds well to therapy, but has not been analyzed in detail so far. In a pilot study, a mild gait disturbance could be detected in long-term treated Wilson patients. The question still is what the underlying functional deficit of this gait disturbance is and how this functional deficit correlates with further clinical and laboratory findings. In 30 long-term treated Wilson patients, the vertical component of foot ground reaction forces (GRF-curves) was analyzed during free walking without aid at the preferred gait speed ove
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Vuong, Jo-Lâm, Antonia Edel, Paul Voß, and Alexander Ferrauti. "Effectiveness and Kinematic Analysis of Initial Step Patterns for Multidirectional Acceleration in Team and Racquet Sports." Journal of Human Kinetics 85, no. 1 (2022): 13–22. http://dx.doi.org/10.2478/hukin-2022-0106.

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Abstract The ability for quick multidirectional accelerations is crucial for athletic performance in team and racquet sports. So far, there has been little research dedicated to different initial step patterns usually applied by players. Therefore, the present study investigated the kinematic characteristics and effectiveness of the following step patterns: Jab Step (JS), Pivot Step (PS), Gravity Step (GS) and Counter Step (CS). Twenty-two male competitive team and racquet sport athletes completed maximum lateral accelerations utilizing the step patterns. Following familiarization with each st
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Bouffard, Vicky, Julie Nantel, Marc Therrien, Pascal-André Vendittoli, Martin Lavigne, and François Prince. "Center of Mass Compensation during Gait in Hip Arthroplasty Patients: Comparison between Large Diameter Head Total Hip Arthroplasty and Hip Resurfacing." Rehabilitation Research and Practice 2011 (2011): 1–9. http://dx.doi.org/10.1155/2011/586412.

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Objective. To compare center of mass (COM) compensation in the frontal and sagittal plane during gait in patients with large diameter head total hip arthroplasty (LDH-THA) and hip resurfacing (HR).Design. Observational study.Setting. Outpatient biomechanical laboratory.Participants. Two groups of 12 patients with LDH-THA and HR recruited from a larger randomized study and 11 healthy controls.Interventions. Not applicable.Main Outcome Measures. To compare the distance between the hip prosthetic joint center (HPJC) and the COM. The ratio (RHPJC-COM) and the variability (CVHPJC-COM) were compared
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Blanksby, Brian A., Jennifer R. Simpson, Bruce C. Elliott, and Keith McElroy. "Biomechanical Factors Influencing Breaststroke Turns by Age-Group Swimmers." Journal of Applied Biomechanics 14, no. 2 (1998): 180–89. http://dx.doi.org/10.1123/jab.14.2.180.

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Because turning can account for one-third of breaststroke race time in 25 m pools, it is possible that enhancing turning techniques can improve performance significantly. Underwater video cameras and a force platform were used to analyze turning techniques of 23 age-group breaststrokers during three 50 m push-start, maximum-effort swims. The criterion measure was the time elapsed between passing the 5 m mark on the approach and departure from the wall (5 m round-trip time [RTT]). Correlations revealed significant commonality of variance (p < .01) between the 5 m RTT and the 2.5 m RTT, 50 m
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Dissertations / Theses on the topic "Push-off distance"

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Pommerell, Félicie. "Etude des déterminants et modélisation biomécanique de la capacité de production de force en saut vertical." Electronic Thesis or Diss., Le Mans, 2025. https://cyberdoc-int.univ-lemans.fr/Theses/2025/2025LEMA1001.pdf.

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La performance en saut vertical est déterminante du succès de nombreuses actions motrices effectuées lors d’activités sportives (e.g. smash, bloc ou duel aérien). La performance en saut vertical, objectivée par l’élévation maximale du centre de masse, dépend de la capacité du système neuromusculaire à produire un travail mécanique élevé à travers la production de force sur une distance de poussée donnée. Lors de certaines actions, les sportifs doivent réaliser leurs sauts avec des contraintes temporelles variables qui peuvent nécessiter des ajustements de la distance de poussée et, en conséque
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Book chapters on the topic "Push-off distance"

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Flowers, Thomas H. "Colossus." In Colossus. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780192840554.003.0016.

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Machines such as counters, computers, and Colossus process information. Items of information are given a physical identity which can be recognised and transmitted over distance. The identity is transmitted by what is called a signal and the relationship between the signals and the information they represent is called a code (as distinct from a cipher). Certain types of numbers are commonly used to identify items of information, because they are universally known and endless in quantity: the information, processors, and processing are then said to be digital. Processing consists of logical oper
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McFarland, Ben. "Unfolding the Periodic Table." In A World From Dust. Oxford University Press, 2016. http://dx.doi.org/10.1093/oso/9780190275013.003.0007.

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Our starting point is not hidden, nor is it far off. It is not an extreme place like Mono Lake or Freswick Castle, but it is a central concept expressed on a single page. The periodic table is the center of chemistry, and therefore of this book. You can spot it at a distance from its vaguely cathedral-like shape. You can see the chemical symbols that it contains on magnets and T-shirts and restaurant signs. Its regular columns are not quite symmetric, but that is because it has been twisted out of its natural shape by the contingencies of history. Rearrange it just a little and a simple mathem
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Saslaw, William C. "Does physics rule the roost of scientific explanation?" In Explanations. Oxford University PressOxford, 2004. http://dx.doi.org/10.1093/oso/9780198607786.003.0004.

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Abstract Physics differs from mathematics in which, to quote Bertrand Russell, ‘we never know what we are talking about, nor whether what we are saying is true’, and from cosmology in which we push our questions back to such great distances and early times that our observations become highly distorted and lose information. By contrast, physics generally works in the here and now. It tries to find mathematical relations among measurable phenomena and quantitative concepts. In this, physics is generally regarded as being extraordinarily successful, an archetype of science. And now I’m going to l
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"FIG. 1.8. The subject’s response console for (A) SRT, (B) CRT, (C) DRT (odd man out). The black dot in the lower center of each panel represents the home button. The open circles, 6 inches from the home button, are green, underlighted translucent push-buttons. In the SRT and CRT conditions (i.e., A and B), only one button lights up on each trial; on the DRT task, three buttons light up simultaneously on each trial, with unequal distances between them (shown in C), the remotest button from the other two being the odd man out, which the subject must touch. The response console is 13 in. by 17 in., painted flat black, and tilted at a 30° angle. At the lower center is the home button (black, 1 in. diameter), which the subject depresses with the index finger while waiting for the reaction stimulus. The small circles represent translucent pushbuttons (green, ½ in. diameter, each at a distance of 6 in. from the home button); each button can be lighted independently. Touching a lighted button turns off the light. A test trial begins with the subject depressing the home button (black dot); 1 sec. Later, a preparatory stimulus (beep) of 1 sec. duration occurs; then, after a 1 to 4 sec. random interval, one of the translucent buttons lights up, whereupon the subject’s index finger leaves the home button and touches the lighted button. RT is the interval between a light-button going on and the subject’s lifting the index finger from the home button; MT is the interval between releasing the home button and touching the underlighted button." In Intelligence and Personality. Psychology Press, 2012. http://dx.doi.org/10.4324/9781410604415-12.

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Conference papers on the topic "Push-off distance"

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Folz, Alexander J., and Joseph M. Schimmels. "Design of a Passive Ankle Prosthesis With Energy Return That Increases With Increasing Walking Velocity." In 2017 Design of Medical Devices Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/dmd2017-3517.

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An estimated 623,000 individuals are living with a major lower leg amputation in the United States [1]. Of these amputations, 78% were due to peripheral vascular disease (PVD) and 45% were due to PVD in individuals with type I or II diabetes [2]. With diabetes and PVD incidence levels on the rise [1] and those in a depressed socio-economic situation more susceptible to develop type II diabetes [3], the demand for affordable, high quality ankle prostheses has never been higher. Prostheses currently available on the market include both passive and active devices, neither of which fully satisfies
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Shen, Xinyu, Sen Liu, Qiang Su, Guangyong Mi, and Haibo Deng. "Intelligent Switch Control Algorithm of the Push-The-Bit Rotary Steerable Drilling System." In 57th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/arma-2023-0558.

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ABSTRACT Push-the-bit rotary steerable system (RSS) is a guide technology that realizes directional drilling by controlling the eccentric mechanism to push against the borehole wall. However, the control effect of push-the-bit RSS is often not satisfactory in many interference factors, such as rock anisotropy and trajectory deviation. An intelligent switch control algorithm based on push RSS is proposed to achieve a smooth trajectory, stable control, and efficient decision-making. Firstly, the control rules of thrust force and thrust orientation are given according to the actual drilling situa
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Agarwal, Shivangi, Ankesh Kumar Mishra, Ajay Kumar Maurya, Pawan Sen, and Ashutosh Yadav. "Fault Detection in Transmission Line using Arduino Uno." In International Conference on Frontiers in Desalination, Energy, Environment and Material Sciences for Sustainable Development & Annual Congress of InDA. AIJR Publisher, 2023. http://dx.doi.org/10.21467/proceedings.161.22.

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Transmission line fault detection is a crucial aspect of maintaining a stable power supply. This paper presents a paper that uses Arduino Uno to detect faults in transmission lines. The system is designed to detect faults such as Line to Ground, Line to Line, Line to Line to Ground, and three phase fault. The fault detection system can quickly identify the type of fault and its distance (in km) & notify the maintenance team through an alarm (buzzer). The paper's implementation involved using the Arduino Uno microcontroller board, relay module, buzzer, transformer, voltage regulator, diode,
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Murchie, Stuart William, Rune Hansen, Kristian Andersen, et al. "Intricate Subsurface Safety Valve Lockout Executed by Innovative Electric Line Dual Stroker Operation, Securing Well Access and Restoring Production." In SPE/ICoTA Well Intervention Conference and Exhibition. SPE, 2022. http://dx.doi.org/10.2118/209041-ms.

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Abstract A well with a malfunctioning tubing retrievable sub surface safety valve (TRSSSV) was shut in until a lock-out operation could be undertaken, one which would secure the valve in a fully open position, enabling subsequent intervention programs to be carried out and the well put safely back on production. The TRSSSV design utilized a flapper valve with a power spring mechanism which forces the valve to a normally closed position. Control to the flapper had been lost as the hydraulic communication had been cut off. Repeated attempts to lock open the valve using the conventional lock out
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