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medicina - fisioterapia - actividad física - psicología - etc.
Combined Electromagnetic and Electrohydraulic Focused ESWT and EMTT for Delayed Calcaneal Union in an Adolescent Parkour Athlete - A Case Report
Autor
Knobloch et al.
2024
|
Journal of Sports Medicine
Tipo de publicación
Artículo de revista
Idioma
Inglés
Palabras clave
EMTT; ESWT; epiphysis; non; shockwave therapy; union.
Resumen
This case report describes a novel and unique combination of both electromagnetic and electrohydraulic focused extracorporeal shockwave therapy (ESWT) and extracorporeal magnetotransduction therapy (EMTT) for accelerated healing in a calcaneus epiphyseal fracture with delayed healing in an adolescent Parkour athlete. After a 2.5m jump, the 14-year-old experienced significant heel pain, however avoided telling his parents. After eight weeks, the initial imaging using ultra low dose weight-bearing cone beam CT (WBCT) revealed a calcaneus non-union situation adjacent to the open calcaneal physis. To improve and accelerate bony healing substantially, we chose to apply both combined focused electromagnetic (Storz Ultra, Storz Medical AG, Tägerwillen, CH) and focused electrohydraulic (MTS, Konstanz, Germany) ESWT in a fractioned fashion plus EMTT (Storz Magnetolith, Tägerwillen, CH) in five consecutive weekly sessions while allowing the patient to fully weight bear. The follow-up WBCT after six weeks revealed a near to total healing of the delayed union and being pain-free. Notably, combination therapy with focused ESWT and EMTT did not result in early closure of the calcaneal epiphysis. We conclude that combined focused electromagnetic and electrohydraulic ESWT and EMTT facilitate bony healing in adolescent calcaneal apophyseal fractures without any adverse effects on the open physis. Evidence level IV (case report).
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Analysis of scientific production in street sports with acrobatic components
Autor
Rodriguez-Redondo et al.
2024
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Science of Gymnastics Journal
Tipo de publicación
Artículo de revista
Idioma
Inglés
Palabras clave
Acrobatics; break dance; parkour; physical activity; sports; street workout
Resumen
In recent years, the number of practitioners of disciplines such as parkour, break dance or calisthenics (freestyle or street workout) has increased. These disciplines share common characteristics, such as an unregulated street origin and a focus on acrobatics. This study aimed to analyze the state of scientific publications related to these acrobatic street sports. A bibliometric analysis was conducted, applying traditional bibliometric laws to scientific documentation found in journals indexed in WoS and Scopus. Data processing and visualization were performed using Bibliometrix and Excel. A total of 199 articles published between 1984 and 2024 were identified, indicating exponential growth. Among these, 139 papers were related to parkour, 48 to breakdance, and 12 to street workout. A review of 158 journals revealed that they contained related publications, although their distribution did not conform to Bradford’s model, showig only two areas. Among 417 authors identified, 22 were deemed prolific and 12 prominent. France emerged as the most prolific country, followed by the USA. The 553 author keywords were categorized into three groups, each associated with one of the sports. The 26 most cited papers were selected as relevant, demonstrating a correlation between the increase in publications and the popularization of these sports, largely due to television exposure. The "International Journal of Sport Policy and Politics” emerged as the most prolific journal. The most relevant authors identified in each sport were Signey Grosprêtre (parkour); Max Daniel Kauther and Christian Wedemeyer (breakdance); and Javier Sanchez-Martinez (street workout)
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Factors Influencing the Continuance Intention to Participate in Extreme Sports
Autor
Yu et al.
2024
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International Journal of Applied Sports Sciences
Tipo de publicación
Artículo de revista
Idioma
Inglés
Palabras clave
Resumen
The exponential growth in engagement with extreme sports in recent decades has surpassed our understanding of the perceptions and personal experiences of those individuals who participated. This research explores the relationship between self-efficacy, perceived enjoyment, perceived risk, attitude toward behavior, and continuance intention within the framework of the theory of planned behavior. The study collected data from 193 parkour enthusiasts who associated with Chinese amateur parkour clubs. Hypotheses were verified using structural equation modeling using AMOS 26.0. The results demonstrate notable associations across all categories, however, the hypothesis that perceived risk will influence attitude toward behavior was not supported. The study concludes with discussions on the implications for scholars and practitioners and suggestions for future research.
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Development and Standardization of the Explosive Leg Power Test for Parkour Gymnasts
Autor
Azim & Tobel
2024
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Al-Rafidain Journal For Sport Sciences
Tipo de publicación
Artículo de revista
Idioma
Árabe
Palabras clave
Development; Explosive Leg; Power Parkour
Resumen
The study aims to: Develop a test to measure the explosive leg power specific to advanced parkour gymnasts. To set standards for the explosive leg power test specific to advanced parkour gymnasts.
A descriptive survey method was used, and the research community consisted of 65 advanced parkour gymnasts in Mosul city. The research sample included 50 players, representing 77% of the research community. The researchers developed a special test to measure the explosive leg power specific to parkour gymnastics by following the scientific construction procedures, and the statistical package (SPSS) was used. The following conclusions were reached: A long jump test with three steps over a hurdle was developed to measure the explosive leg power specific to parkour gymnasts, and its effectiveness was proven. Standards were set for the long jump test with three steps over a hurdle specific to parkour gymnasts.
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Real Time Detection of Freezing of Gait of Parkinson Patients based on Machine Learning Running on a Body Worn Device
Autor
Esfahani et al.
2024
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Procedia Computer Science
Tipo de publicación
Artículo de revista
Idioma
Inglés
Palabras clave
Freezing of gaitLong short term memoryMachine learningEdge deviceRecurrent neural networkTime-series classification
Resumen
In this work, we present a system that detects Freezing of Gait Detection (FOG) that uses of a single wearable inertial sensor to automatically evaluate a Parkinson’s patient’s gait instability and detect FOG in real-time. A wearable vibrator is our cueing system which is triggered by the FOG detection whenever a FOG episode takes place. The vibration impulses help the patient to prevent FOG by switching to voluntarily movement execution. Sensor data were collected from nine patients with Parkinson’s disease performing Unified Parkinson’s Disease Rating Scale (UPDRS) test under the supervision of a clinical expert. Along with data recording, a video was taken from patient’s parkour. The data were labeled through the recorded video of the patient’s tests and FOG and non-FOG data were assigned. A machine learning model using a deep Long-Short-Term-Memory (LSTM) employ the accelerometer data from the sensor and the inference leads to a FOG or non-FOG classification. The FOG detection model is pruned, quantized and used for real-time inference on Google Coral board worn on the patient’ body. The model deployed on a Google coral board sends a trigger to the cuing device right after the FOG detection and the patient get alert for the happening FOG. The individualized model for one-second windows applied in this work performed an average of 91.5% of sensitivity and 86.5% specificity for models running on PC and 91.7% of sensitivity and 86.7% of specificity for the models tested on Google coral with the latency of 50 millisecond on real-time testing.
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Effects of eliminating visual cues on kinetic and kinematic parameters in back tuck somersault: A comparison between artistic gymnasts and parkour athletes
Autor
Abahnini et al.
2023
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Acta of Bioengineering and Biomechanics
Tipo de publicación
Artículo de revista
Idioma
Inglés
Palabras clave
artistic gymnasts; motion analysis; open/closed eyes; parkour athletes; standing back tuck somersault
Resumen
Purpose: The aim of this study was to compare the effect of vision (i.e., open and closed eyes) on the kinetic and kinematic parameters of the standing back tuck somersault (SBTS) in artistic gymnasts and parkour athletes. Methods: Eleven male parkour athletes (age 22.53±2.36 years; height 1.72±0.08 m; weight 69.58±3.72 kg) and seven male artistic gymnasts (age 21.96±2.64 years; height 1.62±0.02 m; weight 63.54±1.35 kg) participated in this study. Each subject was asked to perform the SBTS in the same condition (i.e., first open-eyes then closed-eyes). 2D kinetic and kinematic analysis was conducted. Results: The results showed significant interaction (i.e., vision and sport) obtained at the take-off angle (p<0.05 and d=1.992), horizontal displacement (p<0.05 and d=1.906), and technical execution (p[removed]0.05). However, the elimination of vision during SBTS only affected parkour athletes (i.e., landing angle, ground reaction force, vertical velocity and technical execution, p[removed]1.20) while artistic gymnasts remain unchanged. Conclusion: We conclude that the specificity of the practice in each of the two sports disciplines influences the kinetic and kinematic control of the SBTS and suggests that with closed-eyes, the integration of afferent information relating to the vestibular and proprioceptive systems is different and specific to each discipline’s goal. Artistic gymnasts seem to be better skilled in the mechanical and technical control of the SBTS than parkour athletes.
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Building a special fatigue index for advanced parkour gymnasts
Autor
Hussein Tobeel
2022
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Al-rafidain Journal For Sport Sciences
Tipo de publicación
Artículo de revista
Idioma
Árabe
Palabras clave
fatigue index, parkour gymnastics, advanced students.
Resumen
The aim of the search is to: - Building a special fatigue index test for advanced parkour gymnasts. -Establishing standards and standards for testing the fatigue index of advanced parkour gymnasts. The descriptive approach was used by the survey method, and the research community consisted of advanced parkour gymnastics players in the city of Mosul, who numbered (65) players, and the research sample was (50) players, representing (77%) of the total research community. The researcher built the fatigue index test for parkour gymnastics by following the scientific procedures, and the statistical bag (Spss) was used, and the following conclusions were reached: The fatigue index test for advanced parkour gymnasts was built and proved its effectiveness. -Standards and standards have been set for the test that has been built. The researcher recommended: -Using the Special Fatigue Index test in evaluating the anaerobic ability, and the fatigue index for advanced parkour gymnasts. -Emphasis on researchers and trainers when measuring the specific fatigue index in parkour gymnastics on measuring the heart rate and the level of lactate in the blood. Keywords : fatigue index, parkour gymnastics, advanced students.
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Feasibility of Parkour-style training in team sport practice: A Delphi study
Autor
Strafford et al.
2022
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Journal of Sports Sciences
Tipo de publicación
Artículo de revista
Idioma
Inglés
Palabras clave
Coaching; learning; parkour training; pedagogy; talent development
Resumen
Research has suggested Parkour-style training could act as a donor sport for athlete development in team sports. This study aimed to interrogate expert consensus on the feasibility of integrating Parkour-style training into team sport practice, by employing a three-round, online Delphi method. Talent development and strength and conditioning coaches working in team sport settings were invited to participate. Twenty-four coaches completed Round One, 21 completed Round Two and 20 completed Round Three. In Round One, coaches answered 15 open-ended questions across four categories: (1) General Perceptions of Parkour-style training; (2) Potential Applications of Parkour-style training; (3) Designing and Implementing Parkour-style training Environments; and (4), Creating an Inclusive Learning Environment. Responses from Round One were analysed using reflexive thematic analysis with deductive and inductive coding resulting in 78 statements across three dimensions (Application of Parkour Style Training in Team Sports; Designing and Implementing Parkour-style training Environments; Overcoming Potential Barriers when Integrating Parkour-style training). In Rounds Two and Three, coaches rated these statements using a four-point Likert scale and measures of collective agreement or disagreement were calculated. This study established consensus around a set of design principles for integrating Parkour-style training into team sport practice routines.
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Training habits and lower limb injury prevention in parkour practitioners
Autor
Grosprêtre & El Khattabi
2022
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Movement and Sports Sciences - Science et Motricite
Tipo de publicación
Artículo de revista
Idioma
Inglés
Palabras clave
Freeruning, knee, ankle, sprain
Resumen
Parkour consists of overcoming obstacles mostly in an urban landscape. Little is known regarding usual training habits and injury risks of traceurs, i.e., parkour practitioners. In this study, a 20-min survey have been fulfilled by a population of traceurs regarding training load, habits (type of warm up, physical conditioning, stretching), type of footwear, and number and type of ankle- and knee-injuries during their career. A total of 180 responses were analyzed (24.4 ± 5.9 years old, 21.7% female, 6.0 ± 3.9 years of experience). Participants reported to train 1 to 7 times per week for a mean duration of 2.2 h. 76% practiced stretching exercises. 75.6% practiced physical conditioning in addition to their parkour training (weightlifting, functional exercises). Injury rate was 1.7 per 1000 h of training, mostly ankle sprains and knee contusions. Number of injury and training load were positively correlated. The lack of physical conditioning was also a factor of injury. Knee injuries have been more frequent on participants wearing minimalist shoes. Although training appears well auto-organized and the injury rate quite low some pitfalls require attention, notably in training planning, warm-up, stretching and conditioning. Building training and coaching methods specific to parkour appears essential.
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Understanding children’s preference for park features that encourage physical activity: an adaptive choice based conjoint analysis
Autor
Veitch et al.
2021
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International Journal of Behavioral Nutrition and Physical Activity
Tipo de publicación
Artículo de revista
Idioma
Inglés
Palabras clave
Resumen
Parks are a key setting for physical activity for children. However, little is known about which park features children prefer and which features are most likely to encourage them to be active in parks. This study examined the relative importance of park features among children for influencing their choice of park for engaging in park-based physical activity.
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An unusual wrist injury in a parkour-athlete: Transstyloid, transscaphoid, transtriquetral perilunate dislocation
Autor
Kalinterakis et al.
2024
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Trauma Case Reports
Tipo de publicación
Artículo de revista
Idioma
Inglés
Palabras clave
Dislocation; Fracture; Perilunate; Wrist
Resumen
Perilunate dislocations are uncommon high energy injuries. The combination of fractures resulting in a trans-styloid, trans-scaphoid, and trans-triquetral perilunate fracture dislocation is extremely rare. We describe a 20 year old male who suffered this injury after a fall from height while parkouring. He underwent open reduction and internal fixation with ligamentous repair and carpal tunnel decompression. After 3 months, he was noted to have a radiographic evidence of scapholunate dissociation and he returned to the operative room for definitive fixation. Despite this complication, the final functional outcome 6 months after the second surgery was satisfying.
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The Application of an Ecological Dynamics Approach to the Athletic Development of Youth Basketball Players: The Use of Parkour to Develop Fundamental Movement Skills
Autor
Williams
2024
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University of Essex
Tipo de publicación
Tesis doctoral o similar
Idioma
Inglés
Palabras clave
Fundamental movement skills Sports specific skills
Resumen
Youth athletic development models emphasise the development of fundamental movement skills (FMS) in preadolescent children before sports specific skills (SSS). However, in sports such as basketball, FMS and SSS are not necessarily separate. An alternative perspective, based on the ecological dynamics framework, suggests that sports can be used to develop transferable FMS and SSS concurrently. Parkour has been proposed as a donor sport to enhance movement skills and capabilities transferable to team sports athletes like basketball, although further research is needed. This research investigates parkour’s potential as a donor sport for youth basketball players from an ecological dynamics perspective. Based upon a meta-analysis of bodyweight-only neuromuscular training programmes on motor control in youth athletes aged 8-18 years and basketball coaches’ perceptions of FMS, a narrative review explored parkour’s role in developing adaptable movement skills. A cross-sectional study compared the biomechanical properties of the parkour tic-tac skill and the basketball lay-up shot, revealing that the parkour action resulted in significantly higher maximum acceleration, suggesting it could enhance propulsive capabilities of the lower limb. Two intervention studies examined parkour’s effects on youth basketball players, revealing that although parkour did not outperform conventional athletic development training, it promoted greater engagement and enjoyment. Thus, parkour may effectively increase movement skills and physical capabilities whilst keeping young players motivated. Parkour offers a diverse repertoire of movement, which may be particularly beneficial for preadolescent players, potentially reducing the risks of single-sport specialisation while enhancing basketball-specific performance. For adolescent basketball players, parkour-based exercises could be included into strength and conditioning (S&C) programmes to improve transferable physical capabilities. By adopting the ecological dynamics framework, organisations and governing bodies responsible for the long-term development of youth basketball players can create more effective training strategies that combine motor learning, performance, and athletic development.
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A Comparison of Maximal Acceleration Between the “Tic Tac” Parkour Action, Drop Jump, and Lay-Up Shot in Youth Basketball Players: A Preliminary Study Toward the Donor Sport Concept
Autor
Williams et al.
2024
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Journal of Motor Learning and Development
Tipo de publicación
Artículo de revista
Idioma
Inglés
Palabras clave
accelerometer; motor skill; jumping; kinematics; specificity
Resumen
The aim of this cross-sectional study was to compare acceleration outputs of the parkour-style “tic tac” action with those of the drop jump and the lay-up shot in youth basketball players. A total of 25 participants (17 boys, 13.80 ± 1.30 years of age; and eight girls, 15.00 ± 0.80 years of age) completed three trials of each action while wearing a single inertial motion capture unit with a sampling frequency of 200 Hz, positioned at the lumbar spine. All data were captured in a single session, using the same test order for all participants. Maximum resultant acceleration was calculated from the raw data for each action. Using sex and maturation status as covariates, data were analyzed using a Bayesian one-way repeated-measures analysis of covariance. Results revealed the jump + sex model to be the best fitting (BF10 = 9.22 × 105). Post hoc comparisons revealed that the tic tac produced greater maximal acceleration than the drop jump and the lay-up. These findings provide a biomechanical basis for the potential use of the parkour tic tac as an activity that could be used within the athletic development of youth basketball players.
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Acute Effect of Video Feedback on Self-Regulation and Proprioceptive Control of Standing Back Tuck Somersault in the Absence of Vision
Autor
Abahnini et al.
2024
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Motor control
Tipo de publicación
Artículo de revista
Idioma
Inglés
Palabras clave
parkour athletesacrobatic movementvisionlessself modelingverbal instruction
Resumen
The purpose of this study was to assess the immediate effect of video feedback on the regulation and control of the standing back tuck somersault in the absence of vision. Two groups of male parkour athletes performed the standing back tuck somersault under both open and closed eyes conditions. The first group received video feedback, while the second group received verbal feedback. Concurrent analysis, including kinetic data from a force plate (Kistler Quattro-Jump) and kinematic data in two-dimensional by Kinovea freeware, was employed for motion and technical performance analysis. The results indicate that the loss of vision during the standing back tuck somersault affected only the take-off and ungrouping angle, as well as the vertical velocity and displacement. These effects were consistent regardless of the type of feedback provided (i.e., video feedback or verbal feedback). Furthermore, a significant Vision x Feedback interaction was observed at the level of technical performance. This suggests that the use of video feedback enabled the parkour athletes to maintain a high level of technical performance both with and without vision (i.e., 13.56 vs. 13.00 points, respectively, p> .05 and d= 2.233). However, the verbal feedback group technical performance declined significantly under the novision condition compared with the vision condition (13.14 vs. 10.25 points, respectively, with and without vision, p< .001 and d= 2.382). We concluded that when the movement is proprioceptively controlled (i.e., without vision), the video feedback enables the athletes to globally assess the technical deficiencies arising from the lack of vision and to correct them. These findings are discussed based on parkour athletes' ability to evaluate the kinematic parameters of the movement.
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The effect of parkour intervention on fourth grade students’ motor, cognitive and social-emotional skills; a mixed methods study
Autor
Yolcu
2023
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Middle East Technical University
Tipo de publicación
Tesis doctoral o similar
Idioma
Inglés
Palabras clave
adventure education, parkour, motor coordination, divergent thinking, motor creativity
Resumen
The purpose of this study was to investigate the effects of an eight-week parkour intervention based on the adventure education model on fourth-grade students' 1) motor skills, cognitive skills, and social-emotional skills 2) to explore the students' perceptions of the intervention and their overall thoughts about it. The study involved 55 students from three different village schools, with 28 students (Mage=9.63, SD=.60) in the intervention group and 27 (Mage=9.79, SD=.62) in the comparison group. The mixed-method experimental design was used in the study to answer the research questions. Motor coordination, perceived motor competence, divergent thinking, and motor creativity variables were measured using four quantitative data collection tools. Qualitative data were obtained through field notes, semi-structured and group interviews. The intervention group received an eight-week parkour intervention, while the comparison group continued the regular program. The findings showed that students who received parkour intervention based on the adventure education model improved significantly more in motor coordination (p<.001), perceived motor competence (p=.009), fluency in divergent thinking (p<.001), originality in divergent thinking (p=.009) and motor creativity (p=.003) skills after the pre-test data were controlled. The qualitative data from the intervention group supported the quantitative results and provided further insight into the students' experiences. The study concluded that the adventure education model and parkour could be an effective and cost-efficient alternative for achieving physical, social, and cognitive outcomes in physical education and sport, particularly in schools without sports facilities.
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Beyond athletic development: The effects of parkour-based versus conventional neuromuscular exercises in pre-adolescent basketball players
Autor
Williams et al.
2023
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Plos One
Tipo de publicación
Artículo de revista
Idioma
Inglés
Palabras clave
Resumen
The purpose of this study was to compare the effects of a parkour-based warm-up to a conventional neuromuscular training (NMT) warm-up on the athletic capabilities of youth basketball players. This was examined through two arms: In Investigation 1, the aims were to measure the effects of the two warm-ups on physical measures of athletic performance in prepubescent basketball players. Using post-intervention semi-structured interviews, Investigation 2 aimed to gain insights from the players in relation to the perceived benefits of the two warm-ups. Pre-adolescent children were recruited from two youth level basketball teams. Participants from one club were randomly assigned to either a conventional NMT warm-up group or a parkour warm-up group, while a control group was formed of participants from the second club. Participants of both experimental groups were required to complete a 15-minute warm-up once per week before their regular basketball practice across 8-weeks. For both groups, the coach adopted the same pedagogical approach, utilising a guided discovery strategy. Pre-post test measures of overhead squat performance, countermovement jump, and 10-metre sprint speed were recorded in all three groups. Additionally, pre-post measures were recorded for a timed parkour-based obstacle course for the two experimental groups. No significant between-group differences were found between pre- and post-test measures. However, analysis using Cohen's d effect sizes revealed improvements in both intervention groups versus the control. Moreover, between group effect size differences were observed between the two experimental groups. Following the intervention, participants from both experimental groups were also invited to take part in a post-intervention semi-structured interview to discuss their experiences. The thematic analysis of these semi-structured interviews revealed three higher order themes: Enjoyment; Physical literacy; and Docility; of which the two former themes appear to align to constructs relating to the wider concept of physical literacy. In summary, warm-ups designed to improve athleticism can include less structured and more diverse movement skills than are typical of conventional NMT warm-ups. Specifically, we provide evidence that advocates for warm ups that include parkour-related activities alongside conventional NMT exercises to preserve physical fitness qualities and to simultaneously evoke a sense of enjoyment, fun, and purpose. The benefit of such activities may extend beyond athletic development and, more broadly, contribute to the development of physical literacy.
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Running in parkour
Autor
Edwardes & Feletti
2022
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The Running Athlete
Tipo de publicación
Capítulo de libro
Idioma
Inglés
Palabras clave
Sports science. Musculoskeletal system, Injury, Training, Prevention, Physical exercise
Resumen
Parkour is a sport based around overcoming obstacles in one's environment with only the human body's abilities. The activity utilises foundational human locomotion patterns, and running is included in the great majority of parkour movements or between applying unique parkour athletic gestures or motor skills. Moreover, running has specific features in parkour, being widely used on a horizontal surface and oblique or vertical surfaces. Although running was a traditional element within parkour training, younger communities tend to focus more on the aesthetic and explosive movements within parkour and do not typically practice distance running of any sort; running as a skill in itself is practised by only a minority of the parkour community worldwide. There is commonly a non-systematic approach to the training, since most parkour practitioners use programming types known as self-regulating programming and project-based programming. Many benefits from introducing running as a regular practice for parkour participants would support and improve any practitioner's general physical preparation-for example, the increase in speed and power. Running on challenging surfaces, such as ground lines, curbs or rails, may improve movement control and increase the safety margin. Running practice could bring many benefits to injury prevention in parkour by increasing dynamic stability and balance, contralateral coordination and maintaining healthy hip function and range of motion. Trail running may also improve ankle, hip and knee coordination and mobility and postural responsiveness, which directly benefits the variability required in parkour.
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El parkour en la potenciación de la fuerza explosiva en adolescentes
Autor
Pérez-Rocha & Cabezas-Flores
2022
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Polo del Conocimiento: Revista científico - profesional
Tipo de publicación
Artículo de revista
Idioma
Español
Palabras clave
Parkour; fuerza explosiva; edades escolares
Resumen
Existe una gran problemática dentro de los salones de clases en donde se puede apreciar que las metodologías que se utilizan en las clases de educación física no siempre pueden ser las correctas, ya que se deja de lado el trabajo de fuerza explosiva, lo que evita que los jóvenes puedan tener los beneficios de desarrollar esta capacidad en edades futuras, existe una alternativa propuesta, que es el trabajo de fuerza con la enseñanza del parkour a los jóvenes, esta disciplina aporta varios beneficios a los estudiantes, como lo son un desarrollo de habilidades motrices, capacidades de fuerza, resistencia y crea una base para cualquier deporte que el estudiante practique o vaya a practicar a futuro, mediante una revisión sistemática, tomándose en cuenta criterios metodológicos, se demuestran que las capacidades desarrolladas al practicar parkour y al mejorar su fuerza explosiva indican que los jóvenes pueden ser aptos para cualquier tipo de deporte que requiera el uso de habilidades corporales. Es importante que se tomen en cuenta el desarrollo de estas habilidades en estas edades escolares junto con el trabajo de desarrollo motriz, ya que son etapas formativas en las que los estudiantes pueden alcanzar sus máximas capacidades, lo que conllevará a una vida activa y saludable. Se puede concluir que con el parkour se puede desarrollar significativamente el trabajo de fuerza explosiva, incluso en más cantidad que realizar entrenamiento de gimnasia o de levantamiento de potencia, por lo que es una alternativa válida para trabajar estas capacidades en los jóvenes.
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A comparative study of some kinematic variables between the success and failure attempts of the cardiovascular posterior skill of stability in the Basrah Parkour players
Autor
Mohammed & Abdul-Salam
2021
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Modern Sport
Tipo de publicación
Artículo de revista
Idioma
Árabe
Palabras clave
Parkour, 3D, Kinematics, success and failure.
Resumen
Three-dimensional technology. We can see the athlete’s movements from any angle, for example these angles (back and front of the player as well as the corners of the top or the bottom) and we can measure the real angles of any part of the body as these angles express accuracy in the measurement and represent their true values and we can measure Also accurately accelerate linear, angular and on axes (x,y,z). The aim of this study is to compare the main kinematics factors between success and failure attempts in back somersault standing performance of Basra Parkour players. Four players participated in this study. three cameras were used in this study at a rate of 240 images per second. The success movement and failure movement were selected for each player for a three-dimensional analysis, and through the results, it appeared that the path of the attempt to succeed was longer than the attempt at failure in time. The velocity of the hand segment and the maximum velocity in the attempt to succeed were greater than those of the attempt to fail, and this result was an increase in the velocity of the projectile and an increase in the vertical height of the center of mass. When standing up in Event 2, the amount of flexion of the hip and knee joint angle contributed to the optimal state of advancement and at the peak point the hip and knee joint angle was bent to the maximum to reduce the moment of inertia. At this point, too, the higher parties in the attempt to succeed extended more than those in the attempt at failure.
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The degree to which traditional play equipment, Parkour play elements, and Aldo van Eyck’s play sculptures have an open function
Autor
Van Der Schaaf et al.
2021
|
European Early Childhood Education Research Journal
Tipo de publicación
Artículo de revista
Idioma
Inglés
Palabras clave
Affordances, open functions, Parkour play elements, traditional play equipment, van Eyck’s play sculptures
Resumen
The concept of open functions was introduced to capture an intended feature of van Eyck’s seminal play sculptures – they do not suggest a specific action. In a recent study, Van der Schaaf, A. L., S. R. Caljouw, and R. Withagen. (2020. “Are Children Attracted to Play Elements with an Open Function?” Ecological Psychology 32: 79–94) aimed to determine the degree of openness of Parkour play elements by asking participants what behavior children will mainly perform on them. In the present study, we used this method to determine the degree of openness of traditional play elements (e.g. a slide), van Eyck’s play sculptures, and Parkour play elements. In addition, we measured the time participants needed to answer the question of what action children will mainly perform on the different elements. We found that generally the Parkour elements have the highest degree of openness. Interestingly, van Eyck’s play elements appeared not to be that open. Moreover, the reaction time proved to be an alternative measure for the degree of openness.
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