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Skypala J, Hamill J, Sebera M, Elavsky S, Monte A, Jandacka D. Running-Related Achilles Tendon Injury: A Prospective Biomechanical Study in Recreational Runners. J Appl Biomech 2023:1-9. [PMID: 37419494 DOI: 10.1123/jab.2022-0221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 04/17/2023] [Accepted: 05/09/2023] [Indexed: 07/09/2023]
Abstract
There are relatively few running studies that have attempted to prospectively identify biomechanical risk factors associated with Achilles tendon (AT) injuries. Therefore, the aim was to prospectively determine potential running biomechanical risk factors associated with the development of AT injuries in recreational, healthy runners. At study entry, 108 participants completed a set of questionnaires. They underwent an analysis of their running biomechanics at self-selected running speed. The incidence of AT running-related injuries (RRI) was assessed after 1-year using a weekly questionnaire standardized for RRI. Potential biomechanical risk factors for the development of AT RRI injury were identified using multivariable logistic regression. Of the 103 participants, 25% of the sample (15 males and 11 females) reported an AT RRI on the right lower limb during the 1-year evaluation period. A more flexed knee at initial contact (odds ratio = 1.146, P = .034) and at the midstance phase (odds ratio = 1.143, P = .037) were significant predictors for developing AT RRI. The results suggested that a 1-degree increase in knee flexion at initial contact and midstance was associated with a 15% increase in the risk of an AT RRI, thus causing a limitation of training or a stoppage of running in runners.
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Affiliation(s)
- Jiri Skypala
- Department of Human Movement Studies, Human Motion Diagnostic Center, University of Ostrava, Ostrava,Czech Republic
| | - Joseph Hamill
- Department of Human Movement Studies, Human Motion Diagnostic Center, University of Ostrava, Ostrava,Czech Republic
- Department of Kinesiology, University of Massachusetts Amherst, Amherst, MA,USA
| | - Michal Sebera
- Department of Human Movement Studies, Human Motion Diagnostic Center, University of Ostrava, Ostrava,Czech Republic
| | - Steriani Elavsky
- Department of Human Movement Studies, Human Motion Diagnostic Center, University of Ostrava, Ostrava,Czech Republic
| | - Andrea Monte
- Department of Human Movement Studies, Human Motion Diagnostic Center, University of Ostrava, Ostrava,Czech Republic
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona,Italy
| | - Daniel Jandacka
- Department of Human Movement Studies, Human Motion Diagnostic Center, University of Ostrava, Ostrava,Czech Republic
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Kim J, McSweeney SC, Hollander K, Horstman T, Wearing SC. Adolescents running in conventional running shoes have lower vertical instantaneous loading rates but greater asymmetry than running barefoot or in partial-minimal shoes. J Sports Sci 2023; 41:774-787. [PMID: 37571975 DOI: 10.1080/02640414.2023.2240174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 07/17/2023] [Indexed: 08/13/2023]
Abstract
Footwear may moderate the transiently heightened asymmetry in lower limb loading associated with peak growth in adolescence during running. This repeated-measures study compared the magnitude and symmetry of peak vertical ground reaction force and instantaneous loading rates (VILRs) in adolescents during barefoot and shod running. Ten adolescents (age, 10.6 ± 1.7 years) ran at self-selected speed (1.7 ± 0.3 m/s) on an instrumented treadmill under three counter-balanced conditions; barefoot and shod with partial-minimal and conventional running shoes. All participants were within one year of their estimated peak height velocity based on sex-specific regression equations. Foot-strike patterns, peak vertical ground reaction force and VILRs were recorded during 20 seconds of steady-state running. Symmetry of ground reaction forces was assessed using the symmetry index. Repeated-measures ANOVAs were used to compare conditions (α=.05). Adolescents used a rearfoot foot-strike pattern during barefoot and shod running. Use of conventional shoes resulted in a lower VILR (P < .05, dz = 0.9), but higher VILR asymmetry (P < .05) than running barefoot (dz = 1.5) or in partial-minimal shoes (dz = 1.6). Conventional running shoes result in a lower VILR than running unshod or in partial-minimal shoes but may have the unintended consequence of increasing VILR asymmetry. The findings may have implications for performance, musculoskeletal development and injury in adolescents.
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Affiliation(s)
- Jae Kim
- Complete Rehab Allied Health Clinic, Brisbane, Australia
| | - Simon C McSweeney
- School of Clinical Sciences, Queensland University of Technology, Brisbane, Australia
| | - Karsten Hollander
- Institute of Exercise Science & Sports Medicine, Medical School Hamburg, Hamburg, Germany
| | - Thomas Horstman
- Conservative and Rehabilitative Orthopaedics, Technical University Munich, Munich, Germany
| | - Scott C Wearing
- Conservative and Rehabilitative Orthopaedics, Technical University Munich, Munich, Germany
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Wang Y, Jiang H, Yu L, Gao Z, Liu W, Mei Q, Gu Y. Understanding the Role of Children's Footwear on Children's Feet and Gait Development: A Systematic Scoping Review. Healthcare (Basel) 2023; 11:healthcare11101418. [PMID: 37239704 DOI: 10.3390/healthcare11101418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 04/29/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
Children's footwear plays an important role in the healthy growth of foot and gait development during the growing stage. This review aims to synthesize findings of previous investigations and to explore the biomechanical influences of different types of children's footwear on foot health and gait development, thus guiding the healthy and safe growth of children's feet and gait. Online databases were searched for potential eligible articles, including Web of Science, Google Scholar, and PubMed. In total, nineteen articles were identified after searching based on the inclusion requirements. The following five aspects of biomechanical parameters were identified in the literature, including spatiotemporal, kinematics, kinetics, electromyography (EMG), and plantar pressure distribution. Children's footwear can affect their foot health and gait performance. In addition, children's shoes with different flexibility and sole hardness have different effects on children's feet and gait development. Compared to barefoot, the stride length, step length, stride time, and step time were increased, but cadence was decreased with wearing shoes. Furthermore, the support base and toe-off time increased. Double support time and stance time increased, but single support time decreased. The hip, knee, and ankle joints showed increased range of motion in children with the rear-foot strike with larger ground reaction force as well. Future studies may need to evaluate the influence of footwear types on gait performance of children in different age groups. Findings in this study may provide recommendations for suitable footwear types for different ages, achieving the aim of growth and development in a healthy and safe manner.
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Affiliation(s)
- Yuan Wang
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
- Research Academy of Grand Health, Ningbo University, Ningbo 315211, China
| | - Hanhui Jiang
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
- Research Academy of Grand Health, Ningbo University, Ningbo 315211, China
| | - Lin Yu
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
| | - Zixiang Gao
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
- Faculty of Engineering, University of Pannonia, 8200 Veszprém, Hungary
- Savaria Institute of Technology, Eötvös Loránd University, 9700 Szombathely, Hungary
| | - Wei Liu
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
- Faculty of Engineering, University of Pannonia, 8200 Veszprém, Hungary
- Savaria Institute of Technology, Eötvös Loránd University, 9700 Szombathely, Hungary
| | - Qichang Mei
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
- Research Academy of Grand Health, Ningbo University, Ningbo 315211, China
- Auckland Bioengineering Institute, The University of Auckland, Auckland 1010, New Zealand
| | - Yaodong Gu
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
- Research Academy of Grand Health, Ningbo University, Ningbo 315211, China
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Plesek J, Hamill J, Blaschova D, Freedman-Silvernail J, Jandacka D. Acute effects of footwear on running impact loading in the preschool years. Sports Biomech 2023; 22:442-458. [PMID: 35378049 DOI: 10.1080/14763141.2022.2058599] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The aim of this study was to assess acute effects of footwear conditions (barefoot, minimalist and standard running shoes) on running impact loading in the preschool years. Fourty-eight habitually shod preschool children (26 males and 22 females) were divided into four age groups (3-, 4-, 5- and 6-year-old). Children performed a simple running game in three different conditions. Three-dimensional biomechanical analysis was carried out during overground running. Statistical parametric mapping was performed on the vertical ground reaction force profiles during the stance phase and one-way repeated measures ANOVA on the vertical instantaneous loading rate. Three-year-old children displayed significantly lower vertical ground reaction force values in the barefoot condition compared to minimalist (3-7% stance) and standard running shoes (7-11% stance). There were also differences in vertical instantaneous loading rate, where 3-year-olds had lower loading when barefoot than in minimalist (p = 0.010, d = 1.19) or running shoes (p = 0.045, d = 0.98), despite no differences in the footstrike pattern (mostly rearfoot-midfoot strike). No differences were found for the older children. Running in minimalist shoes did not imitate barefoot running in 3-year-old children. On the contrary, increased loading was observed in minimalist shoes in early running developmental stages.
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Affiliation(s)
- Jan Plesek
- Department of Human Movement Studies, Human Motion Diagnostic Centre, University of Ostrava, Ostrava, Czech Republic
| | - Joseph Hamill
- Department of Human Movement Studies, Human Motion Diagnostic Centre, University of Ostrava, Ostrava, Czech Republic.,Department of Kinesiology, Biomechanics and Motor Control Laboratories, University of Massachusetts, Amherst, MA, USA
| | - Denisa Blaschova
- Department of Human Movement Studies, Human Motion Diagnostic Centre, University of Ostrava, Ostrava, Czech Republic
| | - Julia Freedman-Silvernail
- Department of Human Movement Studies, Human Motion Diagnostic Centre, University of Ostrava, Ostrava, Czech Republic.,Department of Kinesiology and Nutrition Sciences, University of Nevada Las Vegas, Las Vegas, NV, USA
| | - Daniel Jandacka
- Department of Human Movement Studies, Human Motion Diagnostic Centre, University of Ostrava, Ostrava, Czech Republic
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Plesek J, Hamill J, Freedman Silvernail J, Skypala J, Jandacka D. Age differences in running biomechanics during footstrike between preschool children and adults. J Sports Sci 2023; 40:2401-2411. [PMID: 36588173 DOI: 10.1080/02640414.2022.2162237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
This study aimed to compare impact loading between two age groups of preschool children (3-4 and 5-6 years old) and one group of young adults representing mature level of running skill (n = 15 per group). Three-dimensional biomechanical data were collected during running barefoot, in minimalist and running shoes. A two-way mixed ANOVA was performed to assess age and footwear differences in vertical instantaneous loading rate (VILR). An interaction was found in VILR. Older (5-6) preschoolers had 30-31% lower VILR than younger (3-4) (p = 0.012, d = 1.02; p = 0.001, d = 1.18) and adults had 51-77% lower VILR than younger preschoolers (p = 0.001, d = 1.85; p = 0.001, d = 2.82) in minimalist and running shoes, respectively. Additionally, adults had lower VILR than older preschoolers in running shoes (p = 0.001, d = 2.68). No differences were found between older children and adults in barefoot and minimalist shoes. Loading decreased with increasing age, particularly in minimalist and running shoes. Unchanged cadence and running speed did not explain the decrease of VILR during preschool age. The explanation likely underlies in lower limb alignment during footstrike and developmental ontogenetic changes.
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Affiliation(s)
- Jan Plesek
- Department of Human Movement Studies, Human Motion Diagnostic Centre, University of Ostrava, Ostrava, Czech Republic
| | - Joseph Hamill
- Department of Human Movement Studies, Human Motion Diagnostic Centre, University of Ostrava, Ostrava, Czech Republic.,Department of Kinesiology, Biomechanics and Motor Control Laboratories, University of Massachusetts, Amherst, MA, USA
| | - Julia Freedman Silvernail
- Department of Human Movement Studies, Human Motion Diagnostic Centre, University of Ostrava, Ostrava, Czech Republic.,Department of Kinesiology and Nutrition Sciences, University of Nevada Las Vegas, Las Vegas, NV, USA
| | - Jiri Skypala
- Department of Human Movement Studies, Human Motion Diagnostic Centre, University of Ostrava, Ostrava, Czech Republic
| | - Daniel Jandacka
- Department of Human Movement Studies, Human Motion Diagnostic Centre, University of Ostrava, Ostrava, Czech Republic
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Tan T, Strout ZA, Cheung RT, Shull PB. Strike index estimation using a convolutional neural network with a single, shoe-mounted inertial sensor. J Biomech 2022; 139:111145. [DOI: 10.1016/j.jbiomech.2022.111145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 05/06/2022] [Accepted: 05/06/2022] [Indexed: 10/18/2022]
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