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Loud D, Grimshaw P, Kelso R, Robertson WS. Effect of Soccer Boot Outsole Configuration on Translational Traction Across Both Natural and Artificial Playing Surfaces. Orthop J Sports Med 2024; 12:23259671241259823. [PMID: 39131098 PMCID: PMC11311168 DOI: 10.1177/23259671241259823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Accepted: 01/10/2024] [Indexed: 08/13/2024] Open
Abstract
Background Soccer boots are produced with different stud patterns and configurations to provide players with extra traction on specific surface types to minimize slipping and improve player performance. Excessive traction, however, can lead to foot fixation injuries, particularly anterior cruciate ligament tears. Purpose/Hypothesis The purpose of this study was to explore the translational traction properties of 5 different outsole configurations moving in 4 different directions across both natural grass and artificial grass (AG) playing surfaces. It was hypothesized that longer studs or studs with an asymmetric shape would yield a higher traction coefficient compared with the recommended stud configuration for the given playing surface. Study Design Descriptive laboratory study. Methods A custom-built testing apparatus recorded the translational traction of 5 different soccer boots moving in an anterior, posterior, medial, or lateral direction on both natural grass and AG playing surfaces. A 3-way analysis of variance was performed to determine the effect of outsole configuration on the traction, and a post hoc Tukey analysis was performed to compare different outsole configurations with a control. Results For the natural grass playing surface, the longer and asymmetric studs yielded a significantly higher (P < .05) traction coefficient on 75% of loading scenarios, while on AG, they yielded a significantly higher traction on 50% of loading scenarios. Conclusion Some soccer boots yielded higher traction values compared with the recommended configuration. Clinical Relevance The results highlight the importance of boot selection on different playing surfaces. Higher traction values could increase the injury risk for players due to excessive traction and foot fixation.
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Affiliation(s)
- Danyon Loud
- School of Electrical and Mechanical Engineering, The University of Adelaide, Adelaide, Australia
| | - Paul Grimshaw
- School of Electrical and Mechanical Engineering, The University of Adelaide, Adelaide, Australia
- College of Health and Life Sciences, Hamad Bin Khalifa University, Doha, Qatar
| | - Richard Kelso
- School of Electrical and Mechanical Engineering, The University of Adelaide, Adelaide, Australia
| | - William S.P. Robertson
- School of Electrical and Mechanical Engineering, The University of Adelaide, Adelaide, Australia
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2
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Cole D, Fleming P, Roberts J, James D, Benetti M, Wistel K, Billingham J, Forrester S. Comparison of player perceptions to mechanical measurements of third generation synthetic turf football surfaces. SPORTS ENGINEERING 2023. [DOI: 10.1007/s12283-022-00398-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
AbstractMechanical testing of synthetic turf football surfaces is considered essential to ensure player performance and safety. However, it remains unknown how well the mechanical outputs reflect player perceptions of these surfaces. The first objective of this study was to investigate the agreement between the outputs from the Rotational Traction Tester and the Advanced Artificial Athlete with player perceptions across a range of controlled third generation turf football surfaces. The second objective was to identify the modifications to the Rotational Traction Tester and the Advanced Artificial Athlete configurations and output variables that give the strongest agreement with player perceptions. An indoor test area containing ten third generation turf surfaces with controlled hardness and traction properties was constructed. Each surface was tested using the Advanced Artificial Athlete and Rotational Traction Tester in their current configuration and in several modified configurations aimed at better replicating the player–surface interaction. Using a trained panel paired comparisons technique, 18 University footballers (11 males and 7 females) identified differences in the surfaces based on four sensory attributes Movement Speed, Slip, Leg Shock and Give. Results indicated strong agreement (correlation coefficients between 0.7 and 1.0) across several Rotational Traction Tester and Advanced Artificial Athlete testing configurations and output variables with player perceptions. It is recommended that the current Rotational Traction Tester is improved through added instrumentation to allow surface stiffness to be evaluated (the rate of generation of traction resistance). It is further recommended that the Advanced Artificial Athlete adopts a new algorithm to improve the accuracy of the surface’s Vertical Deformation and Energy Restitution, and the number of drops is reduced from three to one.
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3
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Okunuki T, Magoshi H, Maemichi T, Liu Z, Tanaka H, Matsumoto M, Hoshiba T, Kumai T. The prevalence and effect of the sites of pain in female soccer players with medial shin pain. J Sports Med Phys Fitness 2023; 63:111-120. [PMID: 35333031 DOI: 10.23736/s0022-4707.22.13655-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND Female soccer players are often diagnosed with medial shin pain, which includes tibial stress fracture, medial tibial stress syndrome, and chronic exertional compartment syndrome. As the possibility of varied sites of pain affecting sports activities has not been fully researched, an urgent discussion and evidence is required. This study investigates the prevalence and effect of sites of pain on the sports activities of female soccer players with medial shin pain. METHODS A questionnaire survey was conducted for 196 female soccer players with medial shin pain to assess symptom duration, the effect of practice and performance, and sites of pain. The players were classified into three conditions (tibial stress fracture, medial tibial stress syndrome, or medial shin pain with neurological symptoms) and compared based on sites of pain. RESULTS We observed that medial tibial stress syndrome had a lower impact on performance compared to that of tibial stress fracture and medial shin pain with neurological symptoms. While participants with tibial stress fracture had to suspend practice sessions more frequently, the difference in symptom duration between the classified groups was not statistically significant. The effect of sites of pain on sports activities was not significantly different in participants with medial tibial stress syndrome. CONCLUSIONS Medial shin pain should be evaluated carefully to differentiate between medial tibial stress syndrome and medial shin pain with neurological symptoms. Restriction of sports activities may help improve the patient's condition early, regardless of the presentation.
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Affiliation(s)
- Takumi Okunuki
- Graduate School of Sport Sciences, Waseda University, Saitama, Japan.,Japan Society for the Promotion of Science, Tokyo, Japan
| | - Hirohisa Magoshi
- Department of Rehabilitation, Hachioji Sports Orthopedic Clinic, Tokyo, Japan
| | | | - Zijian Liu
- Graduate School of Sport Sciences, Waseda University, Saitama, Japan
| | - Hirofumi Tanaka
- Graduate School of Sport Sciences, Waseda University, Saitama, Japan.,Hyakutake Orthopedic and Sports Clinic, Saga, Japan
| | - Masatomo Matsumoto
- Graduate School of Sport Sciences, Waseda University, Saitama, Japan.,Kuwana City Medical Center, Mie, Japan
| | - Takuma Hoshiba
- Waseda Institute for Sport Sciences, Waseda University, Saitama, Japan
| | - Tsukasa Kumai
- Faculty of Sport Sciences, Waseda University, Saitama, Japan -
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4
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Castillo-Domínguez A, Torrontegui-Duarte M, Páez-Moguer J, Gómez-del-Pino Á, Cervera-Garvi P, Mainer-Pardos E, Lozano D, García-Romero J. The Influence of Stud Characteristics of Football Boots Regarding Player Injuries. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 20:ijerph20010720. [PMID: 36613041 PMCID: PMC9819624 DOI: 10.3390/ijerph20010720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 12/23/2022] [Accepted: 12/29/2022] [Indexed: 05/23/2023]
Abstract
BACKGROUND the main aim of this study was to analyze the relationship between sole pattern parameters of football boots with the frequency of injuries that occur in semiprofessional and amateur footballers. METHODS The study sample was composed of 77 male football players. All were at least 18 years old, played at least 10 h per week, gave signed informed consent to take part and properly completed the Visual Analogue Scale. This study analysed data from each player's medical history, including age, injuries, years of practice, field type and surface condition information. RESULTS The visual analogic score in semiprofessional players was higher (2.05 ± 2.43) than in amateur players (1.00 ± 1.1). A total of 141 lesions were collected, equivalent to 1.81 injuries for each football player studied (n = 77). The result of the ROC curve indicated that the player's years of practice could predict significantly (p < 0.05) the presence of lower limb injuries, with an area under the curve of 0.714. CONCLUSIONS This study described the predictive capacity of sole pattern characteristics concerning lower limb injuries in amateur and semiprofessional footballers. Football boot variables associated with the number of studs were associated with foot and ankle overload injuries.
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Affiliation(s)
| | | | - Joaquín Páez-Moguer
- Department of Nursing and Podiatry, Faculty of Health Sciences, University of Malaga, 29071 Malaga, Spain
| | - Álvaro Gómez-del-Pino
- Department of Nursing and Podiatry, Faculty of Health Sciences, University of Malaga, 29071 Malaga, Spain
| | - Pablo Cervera-Garvi
- Department of Nursing and Podiatry, Faculty of Health Sciences, University of Malaga, 29071 Malaga, Spain
- Correspondence:
| | - Elena Mainer-Pardos
- Health Sciences Faculty, Universidad San Jorge, Autov. A23 km 299, Villanueva de Gállego, 50830 Zaragoza, Spain
| | - Demetrio Lozano
- Health Sciences Faculty, Universidad San Jorge, Autov. A23 km 299, Villanueva de Gállego, 50830 Zaragoza, Spain
| | - Jerónimo García-Romero
- Department of Human Physiology, Histology, Pathological Anatomy and Sports Physical Education, University of Malaga, 29071 Malaga, Spain
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5
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Validation of Instrumented Football Shoes to Measure On-Field Ground Reaction Forces. SENSORS 2022; 22:s22103673. [PMID: 35632081 PMCID: PMC9145471 DOI: 10.3390/s22103673] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 05/04/2022] [Accepted: 05/10/2022] [Indexed: 02/04/2023]
Abstract
Ground reaction forces (GRF) have been widely studied in football to prevent injury. However, ambulatory tools are missing, posing methodological limitations. The purpose of this study was to assess the validity of an innovative football shoe measuring normal GRF (nGRF) directly on the field through instrumented studs. A laboratory-based experiment was first conducted to compare nGRF obtained with the instrumented shoe (IS) to vertical GRF (vGRF) obtained with force platform (FP) data, the gold standard to measure vGRF. To this aim, three subjects performed 50 steps and 18 counter-movement jumps (CMJs). Secondly, eleven subjects completed running sprints at different velocities on a football field, as well as CMJs, while wearing the IS. Good to excellent agreement was found between the vGRF parameters measured with the FP and the nGRF measured by the IS (ICC > 0.75 for 9 out of 11 parameters). Moreover, on-field nGRF patterns demonstrated a progressive and significant increase in relation with the running velocity (p < 0.001). This study demonstrated that the IS is a highly valid tool to assess vGRF patterns on a football field. This innovative way to measure vGRF in situ could give new insights to quantify training load and detect neuromuscular fatigue.
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Effect of simulated tennis steps and slides on tread element friction and wear. SPORTS ENGINEERING 2021. [DOI: 10.1007/s12283-021-00343-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
AbstractIn hard court tennis, players change direction by either stepping or sliding. The shoe–surface friction during these movements is crucial to player performance. Too little friction when stepping may result in a slip. Too much friction when attempting to slide could cause the player to move only a short distance, or to fail to slide. To understand the influence of tread design on shoe–surface friction in tennis, experiments were performed on individual shoe tread elements that replicated the tribological conditions typically experienced during hard court step and slide movements. Tread element orientation had no effect on the static friction in step movements, but longer tread elements (in the sliding direction) had 9% lower dynamic friction during slide movements (p < 0.001). The friction between tennis shoe tread and hard court tennis surfaces is also shown to be influenced by the tread’s sliding history, and the wearing pattern that forms on the surface of the rubber.
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Influence of Artificial Turf Surface Stiffness on Athlete Performance. Life (Basel) 2020; 10:life10120340. [PMID: 33321869 PMCID: PMC7763131 DOI: 10.3390/life10120340] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 12/08/2020] [Accepted: 12/08/2020] [Indexed: 11/17/2022] Open
Abstract
Properties of conventional playing surfaces have been investigated for many years and the stiffness of the surface has potential to influence athletic performance. However, despite the proliferation of different infilled artificial turfs with varying properties, the effect of surface stiffness of these types of surfaces on athlete performance remains unknown. Therefore, the purpose of this project was to determine the influence of surface stiffness of artificial turf systems on athlete performance. Seventeen male athletes performed four movements (running, 5-10-5 agility, vertical jumping and sprinting) on five surfaces of varying stiffness: Softest (-50%), Softer (-34%), Soft (-16%), Control, Stiff (+17%). Performance metrics (running economy, jump height, sprint/agility time) and kinematic data were recorded during each movement and participants performed a subjective evaluation of the surface. When compared to the Control surface, performance was significantly improved during running (Softer, Soft), the agility drill (Softest) and vertical jumping (Soft). Subjectively, participants could not discern between any of the softer surfaces in terms of surface cushioning, however, the stiffer surface was rated as harder and less comfortable. Overall, changes in surface stiffness altered athletic performance and, to a lesser extent, subjective assessments of performance, with changes in performance being surface and movement specific.
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Pardos-Mainer E, Casajús JA, Julián C, Bishop C, Gonzalo-Skok O. Determining the reliability and usability of change of direction speed tests in adolescent female soccer players: a systematic review. J Sports Med Phys Fitness 2020; 60:720-732. [PMID: 32438788 DOI: 10.23736/s0022-4707.20.10178-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
INTRODUCTION This review aimed 1) to describe the most common tests used for assessing change of direction (COD) performance; 2) to detail the reliability of current COD tests; 3) to provide an overview of current intervention strategies used to improve COD performance in adolescent female soccer players. EVIDENCE ACQUISITION A computerized search was conducted in the PubMed, Cochrane Plus and Web of Science (from 1995 to January 2020) for English and Spanish language and peer-reviewed investigations. EVIDENCE SYNTHESIS A total of 221 studies were identified, with only 16 meeting the specific search criteria. The main findings were that eleven different tests have been used to assess COD performance with intraclass correlation coefficient and coefficient of variation values between 0.72-0.99 and 1-10.6%, respectively. The number of CODs performed during each test ranged from 1 to 9 within a range of 45º to 180º and with a duration <5 s, 5-9 s and >10 s. CONCLUSIONS Findings indicate that the reliability of the COD tests seems to depend on: the equipment used, the surface tested on and the technical level of the soccer player. These results should be interpreted with caution as they may be influenced by the period of growth and maturation, the playing position of the player and the period of the soccer season. Finally, strength and power drills could be considered as appropriate to improve COD performance.
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Affiliation(s)
- Elena Pardos-Mainer
- GENUD (Growth, Exercise, Nutrition and Development) Research Group, University of Zaragoza, Zaragoza, Spain - .,San Jorge University, Zaragoza, Spain -
| | - José A Casajús
- GENUD (Growth, Exercise, Nutrition and Development) Research Group, University of Zaragoza, Zaragoza, Spain.,Department of Physiatry and Nursing, Faculty of Health and Sport Science (FCSD), University of Zaragoza, Huesca, Spain.,Instituto Agroalimentario de Aragón-IA2- (Universidad de Zaragoza-CITA), Zaragoza, Spain.,Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERObn), Barcelona, Spain
| | - Cristina Julián
- Faculty of Physical Activity Sciences and Sports, Isabel I University, Burgos, Spain
| | - Chris Bishop
- Faculty of Science and Technology, London Sports Institute, Middlesex University, London, UK
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Different Cleat Models Do Not Influence Side Hop Test Performance of Soccer Players with and Without Chronic Ankle Instability. J Hum Kinet 2019; 70:156-164. [PMID: 31915485 PMCID: PMC6942480 DOI: 10.2478/hukin-2019-0029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
The lateral ankle sprain is one of the most common sport injury, representing 10-30% of all musculoskeletal disorders. The lateral ankle sprain is induced by sport gestures involving changes of direction and landing manoeuvres and constitutes a risk factor for the occurrence of chronic ankle instability. Although cleat models and performance have been already explored, no study has evaluated this relationship in athletes with chronic ankle instability. Therefore, the purpose of the study was to analyse the influence of different soccer cleat models on Side Hop Test performance of athletes with and without chronic ankle instability. Thirty-nine athletes were divided into two groups, a chronic ankle instability group (n = 20) and a healthy group (n = 19). Each participant performed the Side Hop Test, executing 10 consecutive jumps on dry artificial grass with 4 cleat models. The Qualisys System and two force platforms were used to analyse the test runtime, the distance travelled and the mean velocity. No statistically significant interaction was observed between the group and the cleat model for all variables evaluated. In addition, no differences were observed between models or groups. In this specific test, performance does not seem to be influenced by different cleat models on dry artificial grass in athletes with and without chronic ankle instability.
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10
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Apps C, Rodrigues P, Isherwood J, Lake M. Footwear insoles with higher frictional properties enhance performance by reducing in-shoe sliding during rapid changes of direction. J Sports Sci 2019; 38:206-213. [PMID: 31722621 DOI: 10.1080/02640414.2019.1690618] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
A novel 3D motion capture analysis assessed the efficacy of insoles in maintaining the foot position on the midsole platform inside the shoe during rapid change of direction manoeuvres used in team sports. An insole (TI) with increased static (35%) and dynamic (49%) coefficient of friction compared to a regular insole (SI) was tested. Change of direction performance was faster (p < .001) and perceived to be faster (p < .001) in TI compared to SI. Participants utilised greater coefficient of friction in TI compared to SI during a complete turn, but not during a 20 degree side-cut. In-shoe foot sliding reduced across the forefoot and midfoot during the braking phase of the turn and in the rearfoot during the side-cut in TI. Greater in-shoe foot sliding occurred in the turn than the side-cut across all foot regions. Results provide guidance for athletic footwear design to help limit in-shoe foot sliding and improve change of direction performance.
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Affiliation(s)
- Charlotte Apps
- School of Science and Technology, Nottingham Trent University, Nottingham, UK.,School of Sport and Exercise Science, Liverpool John Moores University, Liverpool, UK
| | - Pedro Rodrigues
- Sports Research Laboratory, New Balance Athletics, Inc, Boston, MA, USA
| | - Joshua Isherwood
- School of Sport and Exercise Science, Liverpool John Moores University, Liverpool, UK
| | - Mark Lake
- School of Sport and Exercise Science, Liverpool John Moores University, Liverpool, UK
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11
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Predicting athlete ground reaction forces and moments from motion capture. Med Biol Eng Comput 2018; 56:1781-1792. [DOI: 10.1007/s11517-018-1802-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Accepted: 02/03/2018] [Indexed: 10/17/2022]
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12
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Sun D, Mei Q, Baker JS, Jia X, Gu Y. A Pilot Study of the Effect of Outsole Hardness on Lower Limb Kinematics and Kinetics during Soccer Related Movements. J Hum Kinet 2017; 57:17-27. [PMID: 28713455 PMCID: PMC5504575 DOI: 10.1515/hukin-2017-0043] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
The purpose of this study was to investigate the effect of different outsole hardness of turf cleats shoes on the lower limb kinematics and kinetics of soccer players playing on artificial turf. The participants were required to complete tasks of straight running and 45° left sidestep cutting movements, respectively, at the speed of 4.5 ± 0.2 m/s on artificial turf. They were asked to randomly select turf cleats shoes with a soft outsole (SO), medium hardness outsole (MO) and hard outsole (HO). During the stance phase of straight running, peak pressure and force-time integral in medial forefoot (MFF) of players wearing cleats shoes with MO were significantly higher than those wearing cleats shoes with SO. During the stance phase of a 45° cutting maneuver, players wearing cleats shoes with SO showed significantly higher peak knee flexion and abduction angles than the HO group. Players wearing cleats shoes with SO also showed higher ankle dorsiflexion and inversion angles compared with those wearing cleats shoes with HO. The vertical average loading rate (VALR) as well as peak pressure and force-time integral in the heel (H) and lateral forefoot (LFF) regions of players wearing cleats shoes with HO were significantly higher than those wearing shoes with SO. On the contrary, peak pressure and force-time integral of players wearing shoes with SO were significantly higher than those wearing shoes with HO in MFF. A higher vertical loading rate and plantar pressure of some areas may increase the potential risk of metatarsal stress fractures and plantar fasciitis. Therefore, this finding about turf cleats shoes could give some theoretic support for the design of turf cleats shoes and material optimization in the future.
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Affiliation(s)
- Dong Sun
- Faculty of Sports Science, Ningbo University, Ningbo, China
| | - Qichang Mei
- Faculty of Sports Science, Ningbo University, Ningbo, China.,Research Academy of Grand Health Interdisciplinary, Ningbo University, Ningbo, China
| | - Julien S Baker
- School of Science and Sport, University of the West of Scotland, Scotland city, United Kingdom
| | - Xuewen Jia
- Department of Orthopaedics, Ningbo First Hospital, Ningbo, China
| | - Yaodong Gu
- Faculty of Sports Science, Ningbo University, Ningbo, China.,Research Academy of Grand Health Interdisciplinary, Ningbo University, Ningbo, China
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Silva DCF, Santos R, Vilas-Boas JP, Macedo R, Montes AM, Sousa ASP. Influence of Cleats-Surface Interaction on the Performance and Risk of Injury in Soccer: A Systematic Review. Appl Bionics Biomech 2017; 2017:1305479. [PMID: 28684897 PMCID: PMC5480019 DOI: 10.1155/2017/1305479] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2017] [Revised: 03/22/2017] [Accepted: 04/11/2017] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVE To review the influence of cleats-surface interaction on the performance and risk of injury in soccer athletes. DESIGN Systematic review. DATA SOURCES Scopus, Web of science, PubMed, and B-on. ELIGIBILITY CRITERIA Full experimental and original papers, written in English that studied the influence of soccer cleats on sports performance and injury risk in artificial or natural grass. RESULTS Twenty-three articles were included in this review: nine related to performance and fourteen to injury risk. On artificial grass, the soft ground model on dry and wet conditions and the turf model in wet conditions are related to worse performance. Compared to rounded studs, bladed ones improve performance during changes of directions in both natural and synthetic grass. Cleat models presenting better traction on the stance leg improve ball velocity while those presenting a homogeneous pressure across the foot promote better kicking accuracy. Bladed studs can be considered less secure by increasing plantar pressure on lateral border. The turf model decrease peak plantar pressure compared to other studded models. CONCLUSION The soft ground model provides lower performance especially on artificial grass, while the turf model provides a high protective effect in both fields.
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Affiliation(s)
- Diogo C. F. Silva
- Área Científica de Ciências Funcionais, Escola Superior de Saúde do Porto, Instituto Politécnico do Porto, Centro de Estudos de Movimento e Atividade Humana, Rua Dr. António Bernardino de Almeida 400, 4200-072 Porto, Portugal
| | - Rubim Santos
- Área Científica de Física, Escola Superior de Saúde do Porto, Instituto Politécnico do Porto, Centro de Estudos de Movimento e Atividade Humana, Rua Dr. António Bernardino de Almeida 400, 4200-072 Porto, Portugal
| | - João Paulo Vilas-Boas
- Faculdade de Desporto, CIFI2D, Universidade de Desporto e Laboratório de Biomecânica do Porto, Universidade do Porto, Porto, Portugal
| | - Rui Macedo
- Área Científica de Fisioterapia, Escola Superior de Saúde do Porto, Instituto Politécnico do Porto, Centro de Estudos de Movimento e Atividade Humana, Rua Dr. António Bernardino de Almeida 400, 4200-072 Porto, Portugal
| | - António Mesquita Montes
- Área Científica de Fisioterapia, Escola Superior de Saúde do Porto, Instituto Politécnico do Porto, Centro de Estudos de Movimento e Atividade Humana, Rua Dr. António Bernardino de Almeida 400, 4200-072 Porto, Portugal
| | - Andreia S. P. Sousa
- Área Científica de Fisioterapia, Escola Superior de Saúde do Porto, Instituto Politécnico do Porto, Centro de Estudos de Movimento e Atividade Humana, Rua Dr. António Bernardino de Almeida 400, 4200-072 Porto, Portugal
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Reliability and Validity of Kinetic and Kinematic Parameters Determined With Force Plates Embedded Under a Soil-Filled Baseball Mound. J Appl Biomech 2017; 33:305-310. [PMID: 28084875 DOI: 10.1123/jab.2016-0117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
We developed a force measurement system in a soil-filled mound for measuring ground reaction forces (GRFs) acting on baseball pitchers and examined the reliability and validity of kinetic and kinematic parameters determined from the GRFs. Three soil-filled trays of dimensions that satisfied the official baseball rules were fixed onto 3 force platforms. Eight collegiate pitchers wearing baseball shoes with metal cleats were asked to throw 5 fastballs with maximum effort from the mound toward a catcher. The reliability of each parameter was determined for each subject as the coefficient of variation across the 5 pitches. The validity of the measurements was tested by comparing the outcomes either with the true values or the corresponding values computed from a motion capture system. The coefficients of variation in the repeated measurements of the peak forces ranged from 0.00 to 0.17, and were smaller for the pivot foot than the stride foot. The mean absolute errors in the impulses determined over the entire duration of pitching motion were 5.3 N˙s, 1.9 N˙s, and 8.2 N˙s for the X-, Y-, and Z-directions, respectively. These results suggest that the present method is reliable and valid for determining selected kinetic and kinematic parameters for analyzing pitching performance.
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15
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Worobets J, Wannop JW. Influence of basketball shoe mass, outsole traction, and forefoot bending stiffness on three athletic movements. Sports Biomech 2016; 14:351-60. [PMID: 26517604 DOI: 10.1080/14763141.2015.1084031] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Prior research has shown that footwear can enhance athletic performance. However, public information is not available on what basketball shoe properties should be selected to maximise movement performance. Therefore, the purpose of the study was to investigate the influence of basketball shoe mass, outsole traction, and forefoot bending stiffness on sprinting, jumping, and cutting performance. Each of these three basketball shoe properties was systematically varied by ± 20% to produce three shoe conditions of varying mass, three conditions of varying traction, and three conditions of varying bending stiffness. Each shoe was tested by 20 recreational basketball players completing maximal effort sprints, vertical jumps, and a cutting drill. Outsole traction had the largest influence on performance, as the participants performed significantly worse in all tests when traction was decreased by 20% (p < 0.001), and performed significantly better in the cutting drill when traction was increased by 20% (p = 0.005). Forefoot bending stiffness had a moderate effect on sprint and cutting performance (p = 0.013 and p = 0.016 respectively) and shoe mass was found to have no effect on performance. Therefore, choosing a shoe with relatively high outsole traction and forefoot bending stiffness should be prioritised, and less concern should be focused on selecting the lightest shoe.
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Affiliation(s)
- Jay Worobets
- a Human Performance Lab , University of Calgary , Calgary, Alberta , Canada
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Sánchez-Sánchez J, García-Unanue J, Jiménez-Reyes P, Gallardo A, Burillo P, Felipe JL, Gallardo L. Influence of the mechanical properties of third-generation artificial turf systems on soccer players' physiological and physical performance and their perceptions. PLoS One 2014; 9:e111368. [PMID: 25354188 PMCID: PMC4213020 DOI: 10.1371/journal.pone.0111368] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Accepted: 10/01/2014] [Indexed: 01/13/2023] Open
Abstract
The aim of this research was to evaluate the influence of the mechanical properties of artificial turf systems on soccer players' performance. A battery of perceptive physiological and physical tests were developed on four different structural systems of artificial turf (System 1: Compacted gravel sub-base without elastic layer; System 2: Compacted gravel sub-base with elastic layer; System 3: Asphalt sub-base without elastic layer; System 4: Asphalt sub-base with elastic layer). The sample was composed of 18 soccer players (22.44±1.72 years) who typically train and compete on artificial turf. The artificial turf system with less rotational traction (S3) showed higher total time in the Repeated Sprint Ability test in comparison to the systems with intermediate values (49.46±1.75 s vs 47.55±1.82 s (S1) and 47.85±1.59 s (S2); p<0.001). The performance in jumping tests (countermovement jump and squat jump) and ball kicking to goal decreased after the RSA test in all surfaces assessed (p<0.05), since the artificial turf system did not affect performance deterioration (p>0.05). The physiological load was similar in all four artificial turf systems. However, players felt more comfortable on the harder and more rigid system (S4; visual analogue scale = 70.83±14.28) than on the softer artificial turf system (S2; visual analogue scale = 54.24±19.63). The lineal regression analysis revealed a significant influence of the mechanical properties of the surface of 16.5%, 15.8% and 7.1% on the mean time of the sprint, the best sprint time and the maximum mean speed in the RSA test respectively. Results suggest a mechanical heterogeneity between the systems of artificial turf which generate differences in the physical performance and in the soccer players' perceptions.
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Affiliation(s)
- Javier Sánchez-Sánchez
- School of Sport Sciences, UCAM, Universidad Católica San Antonio, Murcia, Spain
- IGOID Research Group, University of Castilla-La Mancha, Toledo, Spain
- * E-mail:
| | | | - Pedro Jiménez-Reyes
- School of Sport Sciences, UCAM, Universidad Católica San Antonio, Murcia, Spain
| | - Ana Gallardo
- School of Sport Sciences, UCAM, Universidad Católica San Antonio, Murcia, Spain
| | - Pablo Burillo
- IGOID Research Group, University of Castilla-La Mancha, Toledo, Spain
- Sport Sciences Institute, Camilo José Cela University, Villafranca del Castillo, Madrid, Spain
| | - José Luis Felipe
- IGOID Research Group, University of Castilla-La Mancha, Toledo, Spain
- School of Sport Sciences, European University, Villaviciosa de Odón, Madrid, Spain
| | - Leonor Gallardo
- IGOID Research Group, University of Castilla-La Mancha, Toledo, Spain
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Brock E, Zhang S, Milner C, Liu X, Brosnan JT, Sorochan JC. Effects of two football stud configurations on biomechanical characteristics of single-leg landing and cutting movements on infilled synthetic turf. Sports Biomech 2014; 13:362-79. [PMID: 25301011 DOI: 10.1080/14763141.2014.965727] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Multiple playing surfaces and footwear used in American football warrant a better understanding of relationship between different combinations of turf and footwear. The purpose of this study was to examine effects of shoe and stud types on ground reaction force (GRF) and ankle and knee kinematics of a 180° cut and a single-leg 90° land-cut on synthetic turf. Fourteen recreational football players performed five trials of the 180° cut and 90° land-cut in three shoe conditions: non-studded running shoe, and football shoe with natural and synthetic turf studs. Variables were analyzed with a 3 × 2 (shoe × movement) repeated measures analysis of variance (p < 0.05). Peak vertical GRF (p < 0.001) and loading rate (p < 0.001) were greater during 90° land-cut than 180° cut. For 180° cut, natural turf studs produced smaller peak medial GRFs compared to synthetic turf studs and non-studded shoe (p = 0.012). For land-cut, peak eversion velocity was reduced in running shoes compared to natural (p = 0.016) and synthetic (p = 0.002) turf studs. The 90° land-cut movement resulted in greater peak vertical GRF and loading rate compared to the 180° cut. Overall, increased GRFs in the 90° land-cut movement may increase the chance of injury.
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Affiliation(s)
- Elizabeth Brock
- a Department of Kinesiology, Recreation, and Sport Studies , The University of Tennessee , Knoxville , TN , USA
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18
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Measurement of studded shoe–surface interaction metrics during in situ performance analysis. SPORTS ENGINEERING 2014. [DOI: 10.1007/s12283-014-0163-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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19
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20
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Sterzing T, Wulf M, Qin TY, Cheung JTM, Brauner T. Effect of soccer shoe ball girth differences on fit perception, agility running and running speed perception. FOOTWEAR SCIENCE 2014. [DOI: 10.1080/19424280.2014.886084] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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21
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Schrier NM, Wannop JW, Lewinson RT, Worobets J, Stefanyshyn D. Shoe traction and surface compliance affect performance of soccer-related movements. FOOTWEAR SCIENCE 2014. [DOI: 10.1080/19424280.2014.886302] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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22
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Roberts J, Osei-Owusu P, Harland A, Owen A, Smith A. Elite Football Players’ Perceptions of Football Turf and Natural Grass Surface Properties. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.proeng.2014.06.150] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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23
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Galbusera F, Tornese DZ, Anasetti F, Bersini S, Volpi P, Barbera LL, Villa T. Does soccer cleat design influence the rotational interaction with the playing surface? Sports Biomech 2013; 12:293-301. [DOI: 10.1080/14763141.2013.769277] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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24
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Wannop JW. Influence of basketball shoe mass, traction and bending stiffness on athletic performance. FOOTWEAR SCIENCE 2013. [DOI: 10.1080/19424280.2013.799580] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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McGhie D, Ettema G. Biomechanical analysis of surface-athlete impacts on third-generation artificial turf. Am J Sports Med 2013; 41:177-85. [PMID: 23149018 DOI: 10.1177/0363546512464697] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Excessive repetitive loads are widely believed to be the cause of overload or overuse injuries. On third-generation artificial turf, impacts have been found to vary with surface and shoe properties. Mechanical devices are considered not representative for measuring impact absorption during athletic movements, and pressure insoles have been shown as inaccurate with regard to magnitude of force. PURPOSE To compare impact properties between different third-generation artificial turf systems in combination with various cleat configurations in vivo using force plate technology. STUDY DESIGN Controlled laboratory study. METHODS Twenty-two male soccer players (mean ± SD: age, 23.1 ± 2.8 y; height, 1.81 ± 0.1 m; body mass, 77.5 ± 6.0 kg) performed 10 short sprints, 5 straight with a sudden stop and 5 with a 90° cut, over a force plate covered with artificial turf for each combination of 3 turf systems and 3 cleat configurations. RESULTS During stop sprints, peak impact was significantly higher on a recreational-level turf system than professional-level turf systems with and without an underlying shock pad (3.12 body weight [W] vs 3.01 W and 3.02 W, respectively). During cut sprints, peak impact was significantly higher with traditional round cleats than with turf cleats and bladed cleats (2.99 W vs 2.84 W and 2.87 W, respectively). CONCLUSION The results indicate that both an increase in assumed impact-absorbing surface properties and a larger distribution of shorter cleats produced lower impacts during standardized athletic movements. Regardless, none of the shoe-surface combinations yielded peak impacts of an assumed hazardous magnitude. CLINICAL RELEVANCE The study provides information on the extent to which various third-generation artificial turf systems and cleat configurations affect impact force, widely believed to be a causative factor for overload and overuse injuries.
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Affiliation(s)
- David McGhie
- Department of Human Movement Science, Norwegian University of Science and Technology, Trondheim, Norway.
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26
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Wannop JW, Stefanyshyn DJ. The effect of normal load, speed and moisture on footwear traction. FOOTWEAR SCIENCE 2012. [DOI: 10.1080/19424280.2011.653992] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Luo G, Stefanyshyn D. Identification of critical traction values for maximum athletic performance. FOOTWEAR SCIENCE 2011. [DOI: 10.1080/19424280.2011.639807] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Hennig EM. The Influence of Soccer Shoe Design on Player Performance and Injuries. Res Sports Med 2011; 19:186-201. [DOI: 10.1080/15438627.2011.582823] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Ewald M. Hennig
- a Biomechanics Laboratory, Institute of Sport and Movement Sciences, University Duisburg-Essen , Essen, Germany
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Wannop JW, Luo G, Stefanyshyn D. Effect of normal load, speed and moisture on footwear traction. FOOTWEAR SCIENCE 2011. [DOI: 10.1080/19424280.2011.575834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | - Geng Luo
- a University of Calgary , Calgary , Alberta , Canada
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