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Zhu C, Song Y, Xu Y, Zhu A, Baker JS, Liu W, Gu Y. Toe Box Shape of Running Shoes Affects In-Shoe Foot Displacement and Deformation: A Randomized Crossover Study. Bioengineering (Basel) 2024; 11:457. [PMID: 38790324 PMCID: PMC11118738 DOI: 10.3390/bioengineering11050457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2024] [Revised: 04/30/2024] [Accepted: 04/30/2024] [Indexed: 05/26/2024] Open
Abstract
BACKGROUND Long-distance running is popular but associated with a high risk of injuries, particularly toe-related injuries. Limited research has focused on preventive measures, prompting exploration into the efficacy of raised toe box running shoes. PURPOSE This study aimed to investigate the effect of running shoes with raised toe boxes on preventing toe injuries caused by distance running. METHODS A randomized crossover design involved 25 male marathon runners (height: 1.70 ± 0.02 m, weight: 62.6 + 4.5 kg) wearing both raised toe box (extended by 8 mm along the vertical axis and 3 mm along the sagittal axis) and regular toe box running shoes. Ground reaction force (GRF), in-shoe displacement, and degree of toe deformation (based on the distance change between the toe and the metatarsal head) were collected. RESULTS Wearing raised toe box shoes resulted in a significant reduction in vertical (p = 0.001) and antero-posterior (p = 0.015) ground reaction forces during the loading phase, with a notable increase in vertical ground reaction force during the toe-off phase (p < 0.001). In-shoe displacement showed significant decreased movement in the forefoot medial (p < 0.001) and rearfoot (medial: p < 0.001, lateral: p < 0.001) and significant increased displacement in the midfoot (medial: p = 0.002, lateral: p < 0.001). Impact severity on the hallux significantly decreased (p < 0.001), while impact on the small toes showed no significant reduction (p = 0.067). CONCLUSIONS Raised toe box running shoes offer an effective means of reducing toe injuries caused by long-distance running.
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Affiliation(s)
- Chengyuan Zhu
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
| | - Yang Song
- Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Hong Kong SAR, China
- Faculty of Engineering, University of Szeged, 6700 Szeged, Hungary
| | - Yufan Xu
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
| | - Aojie Zhu
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
| | - Julien S. Baker
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
| | - Wei Liu
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
| | - Yaodong Gu
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China
- Faculty of Engineering, University of Szeged, 6700 Szeged, Hungary
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Sancho-Bru JL, Sanchis-Sales E, Rodríguez-Cervantes PJ, Vergés-Salas C. Foot Sole Contact Forces vs. Ground Contact Forces to Obtain Foot Joint Moments for In-Shoe Gait-A Preliminary Study. SENSORS (BASEL, SWITZERLAND) 2023; 23:6744. [PMID: 37571530 PMCID: PMC10422389 DOI: 10.3390/s23156744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/17/2023] [Accepted: 07/26/2023] [Indexed: 08/13/2023]
Abstract
In-shoe models are required to extend the clinical application of current multisegment kinetic models of the bare foot to study the effect of foot orthoses. Work to date has only addressed marker placement for reliable kinematic analyses. The purpose of this study is to address the difficulties of recording contact forces with available sensors. Ten participants walked 5 times wearing two different types of footwear by stepping on a pressure platform (ground contact forces) while wearing in-shoe pressure sensors (foot sole contact forces). Pressure data were segmented by considering contact cells' anteroposterior location, and were used to compute 3D moments at foot joints. The mean values and 95% confidence intervals were plotted for each device per shoe condition. The peak values and times of forces and moments were computed per participant and trial under each condition, and were compared using mixed-effect tests. Test-retest reliability was analyzed by means of intraclass correlation coefficients. The curve profiles from both devices were similar, with higher joint moments for the instrumented insoles at the metatarsophalangeal joint (~26%), which were lower at the ankle (~8%) and midtarsal (~15%) joints, although the differences were nonsignificant. Not considering frictional forces resulted in ~20% lower peaks at the ankle moments compared to previous studies, which employed force plates. The device affected both shoe conditions in the same way, which suggests the interchangeability of measuring joint moments with one or the other device. This hypothesis was reinforced by the intraclass correlation coefficients, which were higher for the peak values, although only moderate-to-good. In short, both considered alternatives have drawbacks. Only the instrumented in-soles provided direct information about foot contact forces, but it was incomplete (evidenced by the difference in ankle moments between devices). However, recording ground reaction forces offers the advantage of enabling the consideration of contact friction forces (using force plates in series, or combining a pressure platform and a force plate to estimate friction forces and torque), which are less invasive than instrumented insoles (which may affect subjects' gait).
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Affiliation(s)
- Joaquín L. Sancho-Bru
- Department of Mechanical Engineering and Construction, Universitat Jaume I, 12071 Castellón de la Plana, Spain;
| | - Enrique Sanchis-Sales
- Departmental Section of Podiatry, Nursing Department, Universitat de València, 46010 Valencia, Spain;
| | | | - Carles Vergés-Salas
- Departmental Section of Podiatry, Department of Clinical Sciences, Faculty of Medicine and Health Sciences, Universitat de Barcelona, 08907 L’Hospitalet de Llobregat, Spain;
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Hébert-Losier K, Dai B, Nunome H, Kong PW, Hobara H, Hsu WC, Bradshaw EJ, Fong DTP, Vanwanseele B. Reporting guidelines for running biomechanics and footwear studies using three-dimensional motion capture. Sports Biomech 2023; 22:473-484. [PMID: 36097884 DOI: 10.1080/14763141.2022.2110149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Kim Hébert-Losier
- Division of Health, Engineering, Computing and Science, Te Huataki Waiora School of Health, Adams Centre for High Performance, University of Waikato, Tauranga, New Zealand
| | - Boyi Dai
- Division of Kinesiology and Health, University of Wyoming, Laramie, WY, USA
| | - Hiroyuki Nunome
- Faculty of Sports and Health Science, Fukuoka University, Jonan-ku, Fukuoka, Japan
| | - Pui Wah Kong
- Physical Education and Sports Science Academic Group, National Institute of Education, Nanyang Technological University, Singapore
| | - Hiroaki Hobara
- Artificial Intelligence Research Center, National Institute of Advanced Industrial Science and Technology, Tokyo, Japan
| | - Wei-Chun Hsu
- Graduate Institute of Biomedical Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan
| | - Elizabeth J Bradshaw
- Centre for Sport Research, School of Exercise and Nutrition Science, Deakin University, Melbourne, Australia.,Sports Performance Research Institute New Zealand, Auckland University of Technology, Auckland, New Zealand
| | - Daniel T P Fong
- National Centre for Sport and Exercise Medicine, School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - Benedicte Vanwanseele
- Department of Movement Sciences, Human Movement Biomechanics Research Group, KU, Leuven, Belgium
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4
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Langley B. Fatigue related changes in rearfoot eversion: a means of functionally grouping runners? Eur J Sport Sci 2023; 23:363-371. [PMID: 35394890 DOI: 10.1080/17461391.2022.2064768] [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: 11/03/2022]
Abstract
Fatigue alters rearfoot kinematics on an individual basis and may offer a means of functionally grouping runners. This proof of concept study aimed to determine whether fatigue related changes in rearfoot eversion could be used to functionally group runners. Sixteen male recreational runners had their frontal plane rearfoot kinematics recorded by a three-dimensional motion capture system before and after a 5km run. The magnitude of change in frontal plane rearfoot kinematics pre- to post-fatigue was calculated and K-means clustering used to identify functional groups based upon these changes. T-tests with statistical parametric mapping were used to compare fatigue related changes both within and between clusters. Two clusters or functional groups were evident within the data set. Nine participants were allocated to cluster 1 and displayed small and insignificant changes in frontal plane rearfoot motion post-fatigue. In contrast, the remaining seven participants were assigned to cluster 2 and displayed significant increases in rearfoot eversion between 3 and 84% of the stance phase post-fatigue. These findings prove the concept that fatigue related changes in rearfoot eversion can be used to functionally group participants. Additionally, the differing fatigue related changes reported by each group may alter the injury risk, training and footwear needs of each group. HighlightsFatigue related changes in frontal plane rearfoot motion can be used to functionally group individuals.Cluster 1 display small and insignificant fatigue related changes, which suggests they can maintain their habitual movement pathway.Cluster 2 displayed significant increases in rearfoot eversion for the majority of the stance phase, suggesting an inability to maintain their habitual movement pathway, which may increase injury risk.
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Affiliation(s)
- Ben Langley
- Sport and Physical Activity, Edge Hill University, Lancashire, UK
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5
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Perrin TP, Morio CYM, Besson T, Kerhervé HA, Millet GY, Rossi J. Comparison of skin and shoe marker placement on metatarsophalangeal joint kinematics and kinetics during running. J Biomech 2023; 146:111410. [PMID: 36529092 DOI: 10.1016/j.jbiomech.2022.111410] [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: 01/25/2022] [Revised: 11/28/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022]
Abstract
This study investigated the effects of marker placement (skin- vs shoe-mounted) on metatarsophalangeal joint (MTP) kinematics and kinetics during running. Fifteen trained men ran on a 15-m track at 10 and 13 km/h with three (low, standard and high stiffness) shoe longitudinal bending stiffnesses (LBS). Reflective markers were fixed on the shoe upper, and on the skin using holes cut in the shoe. Three-dimensional marker positions and ground reaction forces were recorded at 200 and 2000 Hz, respectively. Kinematic and kinetic parameters were analyzed using one-dimensional metrics (statistical parametric mapping). MTP joint was less dorsiflexed at midstance ([57% to 100%] of braking phase and [0% to 48%] of pushing phase), and the MTP joint plantarflexion moment was higher ([22% to 55%] of pushing phase) with the shoe markerset in comparison with the skin markerset. The effect of LBS on MTP angle was found to be significant for a larger percentage of each stride using the shoe markerset compared to the skin markerset. However, the effect of LBS on plantarflexion moment was significant with the shoe markerset only. The effect of running speed on MTP angle was significant for a larger percentage of each stride with the skin markerset. This study demonstrates that the placement of markers influences the measurement of MTP kinematics and kinetics and that these effects are mediated by other variables such as LBS or running speed. It is concluded that the shoe markerset does not fully reflect the movement of the MTP joint.
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Affiliation(s)
- T P Perrin
- Univ Lyon, UJM-Saint-Etienne, Inter-university Laboratory of Human Movement Biology, EA 7424, F-42023 Saint-Etienne, France; ENS Rennes, Bruz, France
| | - C Y M Morio
- Decathlon SportsLab, Movement Sciences Department, Lille, France
| | - T Besson
- Univ Lyon, UJM-Saint-Etienne, Inter-university Laboratory of Human Movement Biology, EA 7424, F-42023 Saint-Etienne, France
| | - H A Kerhervé
- Univ Rennes, M2S - EA 7470, F-35000 Rennes, France
| | - G Y Millet
- Univ Lyon, UJM-Saint-Etienne, Inter-university Laboratory of Human Movement Biology, EA 7424, F-42023 Saint-Etienne, France; Institut Universitaire de France (IUF), France
| | - J Rossi
- Univ Lyon, UJM-Saint-Etienne, Inter-university Laboratory of Human Movement Biology, EA 7424, F-42023 Saint-Etienne, France.
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Ma R, Lam WK, Ding R, Yang F, Qu F. Effects of Shoe Midfoot Bending Stiffness on Multi-Segment Foot Kinematics and Ground Reaction Force during Heel-Toe Running. Bioengineering (Basel) 2022; 9:bioengineering9100520. [PMID: 36290488 PMCID: PMC9598119 DOI: 10.3390/bioengineering9100520] [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: 08/30/2022] [Revised: 09/26/2022] [Accepted: 09/28/2022] [Indexed: 11/07/2022] Open
Abstract
We investigated how midfoot stiffness of running shoes influences foot segment kinematics and ground reaction force (GRF) during heel-toe running. Nineteen male rearfoot strike runners performed overground heel-toe running at 3.3 m/s when wearing shoes with different midfoot bending stiffnesses (low, medium, and high) in a randomized order. A synchronized motion capture system (200 Hz) and force plate (1000 Hz) were used to collect the foot-marker trajectories and GRF data. Foot kinematics, including rearfoot-lab, midfoot-rearfoot, forefoot-rearfoot, and forefoot-midfoot interactions, and kinetics, including GRF characteristics, were analyzed. Our results indicated that high midfoot stiffness shoes reduced the forefoot-rearfoot range of motion (mean ± SD; high stiffness, 7.8 ± 2.0°, low stiffness, 8.7 ± 2.1°; p < 0.05) and forefoot-midfoot range of motion (mean ± SD; high stiffness, 4.2 ± 1.1°, medium stiffness, 4.6 ± 0.9°; p < 0.05) in the frontal plane. No differences were found in the GRF characteristics among the shoe conditions. These findings suggest that an increase in midsole stiffness only in the midfoot region can reduce intersegmental foot medial-lateral movements during the stance phase of running. This may further decrease the tension of the foot muscles and tendons during prolonged exercises.
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Affiliation(s)
- Ruiya Ma
- Biomechanics Laboratory, School of Sport Science, Beijing Sport University, Beijing 100084, China
| | - Wing-Kai Lam
- Sports Information and External Affairs Center, Hong Kong Sports Institute, Hong Kong 999077, China
| | - Rui Ding
- Li Ning Sports Science Research Center, Li Ning (China) Sports Goods Company Limited, Beijing 101111, China
| | - Fan Yang
- Li Ning Sports Science Research Center, Li Ning (China) Sports Goods Company Limited, Beijing 101111, China
- School of Sports Science, Lingnan Normal University, Zhanjiang 524048, China
| | - Feng Qu
- Biomechanics Laboratory, School of Sport Science, Beijing Sport University, Beijing 100084, China
- Correspondence: ; Tel.: +86-010-6298-9583
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Ho M, Nguyen J, Heales L, Stanton R, Kong PW, Kean C. The biomechanical effects of 3D printed and traditionally made foot orthoses in individuals with unilateral plantar fasciopathy and flat feet. Gait Posture 2022; 96:257-264. [PMID: 35709609 DOI: 10.1016/j.gaitpost.2022.06.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 06/05/2022] [Accepted: 06/09/2022] [Indexed: 02/02/2023]
Abstract
BACKGROUND Foot orthoses (FOs) are used to manage foot pathologies such as plantar fasciopathy. 3D printed custom-made FOs are increasingly being manufactured. Although these 3D-printed FOs look like traditionally heat-moulded FOs, there are few studies comparing FOs made using these two different manufacturing processes. RESEARCH QUESTION How effective are 3D-printed FOs (3D-Print) compared to traditionally-made (Traditional) or no FOs (Control), in changing biomechanical parameters of flat-footed individuals with unilateral plantar fasciopathy? METHODS Thirteen participants with unilateral plantar fasciopathy walked with shoes under three conditions: Control, 3D-print, and Traditional. 2 × 3 repeated measures analysis of variance (ANOVAs) with Bonferroni post-hoc tests were used to compare discrete kinematic and kinetic variables between limbs and conditions. Waveform analyses were also conducted using statistical parametric mapping (SPM). RESULTS There was a significant condition main effect for arch height drop (p = 0.01; ηp2 =0.54). There was 0.87 mm (95% CI [-1.84, -0.20]) less arch height drop in 3D-print compared to Traditional. The SPM analyses revealed condition main effects on ankle moment (p < 0.001) and ankle power (p < 0.001). There were significant differences between control condition and both 3D-print and Traditional conditions. For ankle moment and power, there were no differences between 3D-print and Traditional conditions. SIGNIFICANCE 3D-printed FOs are more effective in reducing arch height drop, whist both FOs lowered ankle plantarflexion moment and power compared to no FOs. The results support the use of 3D-printed FOs as being equally effective as traditionally-made FOs in changing lower limb biomechanics for a population of flat-footed individuals with unilateral plantar fasciopathy.
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Affiliation(s)
- Malia Ho
- Department of Podiatry, School of Health, Medical and Applied Sciences, CQUniversity Australia, Building 34, Bruce Highway, North Rockhampton, QLD 4701, Australia.
| | - Julie Nguyen
- Department of Podiatry, School of Health, Medical and Applied Sciences, CQUniversity Australia, Building 34, Bruce Highway, North Rockhampton, QLD 4701, Australia.
| | - Luke Heales
- Department of Physiotherapy, School of Health, Medical and Applied Sciences, CQUniversity Australia, Building 34, Bruce Highway, North Rockhampton, QLD 4701, Australia.
| | - Robert Stanton
- Department of Exercise and Sports Science, School of Health, Medical and Applied Sciences, CQUniversity Australia, Bruce Highway, North Rockhampton, QLD 4701, Australia.
| | - Pui W Kong
- Physical Education and Sports Science Academic Group, National Institute of Education, Nanyang Technological University, 1 Nanyang Walk, Singapore 637616, Singapore.
| | - Crystal Kean
- Department of Exercise and Sports Science, School of Health, Medical and Applied Sciences, CQUniversity Australia, Bruce Highway, North Rockhampton, QLD 4701, Australia.
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Apps C, Dawson L, Shering B, Siegkas P. Grip socks improve slalom course performance and reduce in-shoe foot displacement of the forefoot in male and female sports players. J Sports Sci 2022; 40:1351-1359. [PMID: 35648799 DOI: 10.1080/02640414.2022.2080163] [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: 10/18/2022]
Abstract
This study assessed whether grip socks reduce in-shoe foot motion and improve change of direction performance in team sports players and compared the effects between males and females. A sledge and pulley system confirmed the static coefficient of friction was increased in the grip socks (1.17) compared to the regular socks (0.60). Performance during a slalom course was faster in the grip socks compared to regular socks (p = .001). Yet, there was no difference in the utilised coefficient of friction between the shoe-floor interface during a side-cut and turn change of direction manoeuvre. Three-dimensional motion capture revealed the grip socks reduced in-shoe foot displacement during the braking phase, with greater effect during the sharper turn manoeuvre. The magnitude of natural foot spreading within the shoe was greater in the calcaneus region than the metatarsals which suggests in-shoe sliding may only occur at the forefoot. Males tended to have increased in-shoe displacement, which is associated with larger foot spreading due to their increased mass. Findings provide guidance for product developers to enhance the support inside the shoe at the forefoot, and change of direction performance.
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Affiliation(s)
- Charlotte Apps
- SHAPE Research Group, School of Science and Technology, Nottingham Trent University, Nottingham, UK
| | - Laura Dawson
- SHAPE Research Group, School of Science and Technology, Nottingham Trent University, Nottingham, UK.,Faculty of Sport, Allied Health & Performance Science, St Mary's University, Twickenham, UK.,School of Health and Sports Sciences, University of Suffolk, Ipswich, UK
| | - Billy Shering
- SHAPE Research Group, School of Science and Technology, Nottingham Trent University, Nottingham, UK.,School of Engineering and Technology, Cyprus University of Technology, Limassol, Cyprus
| | - Petros Siegkas
- SHAPE Research Group, School of Science and Technology, Nottingham Trent University, Nottingham, UK.,School of Engineering and Technology, Cyprus University of Technology, Limassol, Cyprus
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Lin-Wei Chen T, Wai-Chi Wong D, Peng Y, Wang Y, Kwan-Kei Wong I, Lam TK, Lam WK, Zhang M. The interaction effects of rocker angle and apex location in rocker shoe design on foot biomechanics and Achilles tendon loading. MEDICINE IN NOVEL TECHNOLOGY AND DEVICES 2022. [DOI: 10.1016/j.medntd.2021.100111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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10
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Comparison between the Rizzoli and Oxford foot models with independent and clustered tracking markers. Gait Posture 2022; 91:48-51. [PMID: 34649170 DOI: 10.1016/j.gaitpost.2021.10.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 09/27/2021] [Accepted: 10/01/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND The Rizzoli Foot Model (RFM) and Oxford Foot Model (OFM) are used to analyze segmented foot kinematics with independent tracking markers. Alternatively, rigid marker clusters can be used to improve markers' visualization and facilitate analyzing shod gait. RESEARCH QUESTION Are there differences in angles from the RFM and OFM, obtained with independent and clustered tracking markers, during the stance phase of walking? METHODS Walking kinematics of 14 non-disabled participants (25.2 years (SD 2.8)) were measured at self-selected speed. Rearfoot-shank and forefoot-rearfoot angles were measured from two models with two tracking methods: RFM, OFM, RFM-cluster, and OFM-cluster. In RFM-cluster and OFM-cluster, the rearfoot and forefoot tracking markers were rigidly clustered, fixed on rods' tips attached to a metallic base. Statistical Parametric Mapping (SPM) One-Way Repeated Measures ANOVAs and SPM Paired t-tests were used to compare waveforms. Coefficients of Multiple Correlation (CMC) quantified the similarity between waveforms. One-way Repeated Measures ANOVAs were conducted to compare the ranges of motion (ROMs), and pre-planned contrasts investigated differences between the models and tracking methods. Intraclass Correlation Coefficients (ICC) were computed to verify the similarity between ROMs. RESULTS Differences occurred mostly in small parts of the stance phase for the cluster vs. non-cluster comparisons and the RFM vs. OFM comparisons. ROMs were slightly different between the models and tracking methods in most comparisons. The curves (CMC ≥ 0.71) were highly similar between the models and tracking methods. The ROMs (ICC ≥ 0.67) were moderatetly to highly similar in most comparisons. RFM vs. RFM-cluster (forefoot-rearfoot angle - transverse plane), OFM vs. OFM-cluster and RFM vs. OFM (forefoot-rearfoot angle - frontal plane) were not similar (non-significant). SIGNIFICANCE Rigid clusters are an alternative for tracking rearfoot-shank and forefoot-rearfoot angles during the stance phase of walking. However, specific differences should be considered to contrast results from different models and tracking methods.
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Understanding the role of foot biomechanics on regional foot orthosis deformation in flatfoot individuals during walking. Gait Posture 2022; 91:117-125. [PMID: 34673447 DOI: 10.1016/j.gaitpost.2021.10.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 10/04/2021] [Accepted: 10/07/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Foot orthoses (FOs) are one of the most common interventions to restore normal foot mechanics in flatfoot individuals. New technologies have made it possible to deliver customized FOs with complex designs for potentially better functionalities. However, translating the individuals' biomechanical needs into the design of customized FOs is not yet fully understood. RESEARCH QUESTION Our objective was to identify whether the deformation of customized FOs is related to foot kinematics and plantar pressure during walking. METHODS The kinematics of multi-segment foot and FOs contour were recorded together with plantar pressure in 17 flatfoot individuals while walking with customized FOs. The deformation of FOs surface was predicted from its contour kinematics using an artificial neural network. Plantar pressure map and deformation were divided into five anatomically based regions defined by the corresponding foot segments. Forward stepwise linear mixed models were built for each of the four gait phases to determine the feet-FOs interaction. RESULTS It was observed that some associations existed between foot kinematics and pressure with regional FOs deformation. From heel-strike to foot-flat, longitudinal arch angle was associated with FOs deformation in forefoot. From foot-flat to midstance, rearfoot eversion accounted for variation in the deformation of medial FOs regions, and forefoot abduction for the lateral regions. From midstance to heel-off, rearfoot eversion, longitudinal arch angle, and plantar pressure played significant role in deformation. Finally, from heel-off to toe-off, forefoot adduction affected the deformation of forefoot and midfoot. SIGNIFICANCE This study provides guidelines for designing customized FOs. Flatfoot individuals with excessive rearfoot eversion or very flexible medial arches require more support on medial FOs regions, while the ones with excessive forefoot abduction need the support on lateral regions. However, a compromise should be made between the level of support and the level of increase in plantar pressure to avoid stress on foot structures.
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Increasing Step Rate Affects Rearfoot Kinematics and Ground Reaction Forces during Running. BIOLOGY 2021; 11:biology11010008. [PMID: 35053005 PMCID: PMC8772793 DOI: 10.3390/biology11010008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 12/03/2021] [Accepted: 12/15/2021] [Indexed: 11/25/2022]
Abstract
Simple Summary Excessive movements, or inadequate timing in movement patterns, during running may contribute to the development of some running-related injuries. Specifically, excessive movement at the rearfoot, influencing lower leg rotation, has been a focus on different running-related injuries. One method to change how the lower limbs move is to increase step rate, or cadence. There is little research available describing how the rearfoot is affected by changes in step rate; therefore, the primary purpose of this study was to evaluate the effects of increasing step rate on rearfoot motion during running. Reflective markers were placed on twenty runners’ lower legs and feet in order to capture leg and foot movements while running on a treadmill at the runners’ preferred speed and step rate. Step rate was increased by 5% and 10%, while runners were cued by a metronome. Three-dimensional rearfoot motion was calculated during the stance phase (foot in contact with the ground) of running. The main finding of this study was that increasing step rate decreased peak rearfoot and lower leg rotation. These findings may be useful for rehabilitation for some running-related injuries. Abstract Relatively high frontal and transverse plane motion in the lower limbs during running have been thought to play a role in the development of some running-related injuries (RRIs). Increasing step rate has been shown to significantly alter lower limb kinematics and kinetics during running. The purpose of this study was to evaluate the effects of increasing step rate on rearfoot kinematics, and to confirm how ground reaction forces (GRFs) are adjusted with increased step rate. Twenty runners ran on a force instrumented treadmill while marker position data were collected under three conditions. Participants ran at their preferred pace and step rate, then +5% and +10% of their preferred step rate while being cued by a metronome for three minutes each. Sagittal and frontal plane angles for the rearfoot segment, tibial rotation, and GRFs were calculated during the stance phase of running. Significant decreases were observed in sagittal and frontal plane rearfoot angles, tibial rotation, vertical GRF, and anteroposterior GRF with increased step rate compared with the preferred step rate. Increasing step rate significantly decreased peak sagittal and frontal plane rearfoot and tibial rotation angles. These findings may have implications for some RRIs and gait retraining.
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13
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Reeves J, Jones R, Liu A, Bent L, Nester C. The immediate effects of foot orthosis geometry on lower limb muscle activity and foot biomechanics. J Biomech 2021; 128:110716. [PMID: 34488050 DOI: 10.1016/j.jbiomech.2021.110716] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 08/23/2021] [Accepted: 08/23/2021] [Indexed: 12/01/2022]
Abstract
Foot orthoses (FOs) are used to treat clinical conditions by altering the external forces applied to the foot and thereafter the forces of muscles and tendons. However, whether specific geometric design features of FOs affect muscle activation is unknown. The aim of this study was to investigate if medial heel wedging and increased medial arch height have different effects on the electromyography (EMG) amplitude of tibialis posterior, other muscles of the lower limb and the kinematics and kinetics at the rearfoot and ankle. Healthy participants (n = 19) walked in standardised shoes with i) a flat inlay; ii) a standard shape FOs, iii) standard FOs adjusted to incorporate a 6 mm increase in arch height, iv) and standard FOs adjusted to incorporate an 8° medial heel wedging and v) both the 6 mm increase in arch height and 8° increase in medial wedging. EMG was recorded from medial gastrocnemius, peroneus longus, tibialis anterior and in-dwelling tibialis posterior muscles. Motion and ground reaction force data were collected concurrently. Tibialis posterior EMG amplitude reduced in early stance with all FOs (ηp2 = 0.23-1.16). Tibialis posterior EMG amplitude and external ankle eversion moment significantly reduced with FOs incorporating medial wedging. The concurrent reduction in external eversion moment and peak TP EMG amplitude in early stance with medial heel wedging demonstrates the potential for this specific FOs geometric feature to alter TP activation. Medial wedged FOs could facilitate tendon healing in tibialis posterior tendon dysfunction by reducing force going through the TP muscle tendon unit.
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Affiliation(s)
- Joanna Reeves
- School of Health & Society, University of Salford, Salford M6 6PU, United Kingdom; School of Sport, Health and Exercise Science, Spinnaker Building, University of Portsmouth, PO1 2ER, United Kingdom.
| | - Richard Jones
- School of Health & Society, University of Salford, Salford M6 6PU, United Kingdom
| | - Anmin Liu
- School of Health & Society, University of Salford, Salford M6 6PU, United Kingdom
| | - Leah Bent
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Christopher Nester
- School of Health & Society, University of Salford, Salford M6 6PU, United Kingdom
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Matthias E, Banwell HA, Arnold JB. Children's school footwear: The impact of fit on foot function, comfort and jump performance in children aged 8 to 12 years. Gait Posture 2021; 87:87-94. [PMID: 33895636 DOI: 10.1016/j.gaitpost.2021.04.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 04/07/2021] [Accepted: 04/14/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND There is a common perception that poorly fitting footwear will negatively impact a child's foot, however, there is limited evidence to support this. AIM To determine the effect of shoe size on foot motion, perceived footwear comfort and fit during walking, maximal vertical jump height and maximal standing broad jump distance in children aged 8-12 years. METHODS Fourteen participants completed 3D walking gait analysis and jumping tasks in three different sizes of school shoes (one size bigger, fitted for size, one size smaller). In-shoe motion of the hindfoot, midfoot and 1st metatarsophalangeal joint (1st MTPJ) were calculated using a multi-segment kinematic foot model. Physical performance measures were calculated via maximal vertical jump and maximal standing broad jump. Perceived footwear comfort and fit (heel, toes and overall) was assessed using a 100 mm visual analog scale (VAS). Differences were compared between shoe sizes using repeated measures ANOVA, post-hoc tests and effect sizes (Cohen's d). RESULTS Compared to the fitted footwear, the smaller sizing restricted hindfoot eversion (-2.5°, p = 0.021, d = 0.82), 1st MTPJ dorsiflexion (-3.9°, p = 0.012, d = 0.54), and compared to the bigger footwear, smaller sizing restricted sagittal plane midfoot range-of-motion during walking (-2.5°, p = 0.047, d = 0.59). The fitted footwear was rated as more comfortable overall with the smaller size rated as too tight in both the heel (mean difference 11.5 mm, p = 0.042, d = 0.58) and toes (mean difference 12.1 mm, p = 0.022, d = 0.59), compared to the fitted size. Vertical and standing broad jump distance were not impacted by footwear size (p = 0.218-0.836). SIGNIFICANCE Footwear that is too small restricts foot motion during walking in children aged 8-12 years. Jump performance was not affected. Children were able to recognise shoes that were not correctly matched to their foot length, reinforcing that comfort is an important part of the fitting process.
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Affiliation(s)
- Elsa Matthias
- Alliance for Research in Exercise, Nutrition and Activity (ARENA), Allied Health & Human Performance, University of South Australia, Adelaide, Australia.
| | - Helen Ann Banwell
- Allied Health and Human Performance, University of South Australia, Adelaide, Australia.
| | - John Bradley Arnold
- Alliance for Research in Exercise, Nutrition and Activity (ARENA), Allied Health & Human Performance, University of South Australia, Adelaide, Australia; IIMPACT in Health, Allied Health & Human Performance, University of South Australia, Adelaide, Australia.
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Sakamoto K, Tsujioka C, Sasaki M, Miyashita T, Kitano M, Kudo S. Validity and reproducibility of foot motion analysis using a stretch strain sensor. Gait Posture 2021; 86:180-185. [PMID: 33756406 DOI: 10.1016/j.gaitpost.2021.03.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 02/15/2021] [Accepted: 03/03/2021] [Indexed: 02/02/2023]
Abstract
BACKGROUND Multi-segment foot analysis is traditionally challenging to perform while subjects are wearing footwear or a foot orthosis and is difficult to apply in the clinical setting. A recently developed stretch strain sensor (STR), that is thin and highly flexible, may solve this limitation because it does not require observation using a camera and is highly portable. RESEARCH QUESTION This study aimed to examine the reproducibility and validity of foot motion analysis using the STR during walking and running by comparing it with a conventional motion capture system. METHODS Twenty-one healthy participants were examined in this study. The STR was placed on the participant's foot in one of two locations in separate experiments (spring ligament; SL and navicular drop; ND methods). Foot kinematic data during walking and running were simultaneously recorded using the STR and a three-dimensional motion capture system. Intra-class correlation (ICC) was used to assess test-retest reproducibility of the STR method. Cross-correlation coefficient evaluated the similarity of the pattern of the signals between the two systems. Pearson and Spearman correlation analysis was used to evaluate the relationships between the STR measurement and angular excursion of the forefoot or hindfoot. RESULTS The ICCs of the SL method were 0.95 and 0.96, and those of the ND method were 0.93 and 0.71 during walking and running, respectively. In the SL method, the pattern of the signals between the STR and forefoot frontal motion was strongly correlated. The STR measurement was significantly correlated with forefoot eversion excursion (walking: r=-0.67, running: r=-0.64, p < 0.01 each). In the ND method, the STR signal was not associated with forefoot and hindfoot kinematics. SIGNIFICANCE Our results showed that the STR has acceptable reproducibility and validity of foot motion analysis. This system may enable measurement of foot motion while subjects are wearing shoes and outside the laboratory.
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Affiliation(s)
- Kodai Sakamoto
- Graduate School of Health Science, Morinomiya University of Medical Sciences, 1-26-16 Nankokita Suminoe Ward Osaka City Osaka Prefecture, 559-8611, Japan
| | - Chie Tsujioka
- Department of Physical Therapy, Morinomiya University of Medical Sciences, 1-26-16 Nankokita Suminoe Ward Osaka City Osaka Prefecture, 559-8611, Japan
| | - Megumi Sasaki
- Department of Physical Therapy, Morinomiya University of Medical Sciences, 1-26-16 Nankokita Suminoe Ward Osaka City Osaka Prefecture, 559-8611, Japan
| | - Toshinori Miyashita
- Graduate School of Health Science, Morinomiya University of Medical Sciences, 1-26-16 Nankokita Suminoe Ward Osaka City Osaka Prefecture, 559-8611, Japan; Inclusive Medical Science Research Institute, Morinomiya University of Medical Science, Osaka, 1-26-16 Nankokita Suminoe Ward Osaka City Osaka Prefecture, 559-8611, Japan
| | - Masashi Kitano
- Graduate School of Health Science, Morinomiya University of Medical Sciences, 1-26-16 Nankokita Suminoe Ward Osaka City Osaka Prefecture, 559-8611, Japan; Yamamuro Orthopedic Clinic Postal Address, 44-1 Yamamuro, Toyama-shi, Toyama, 939-8006, Japan.
| | - Shintarou Kudo
- Graduate School of Health Science, Morinomiya University of Medical Sciences, 1-26-16 Nankokita Suminoe Ward Osaka City Osaka Prefecture, 559-8611, Japan; Department of Physical Therapy, Morinomiya University of Medical Sciences, 1-26-16 Nankokita Suminoe Ward Osaka City Osaka Prefecture, 559-8611, Japan; Inclusive Medical Science Research Institute, Morinomiya University of Medical Science, Osaka, 1-26-16 Nankokita Suminoe Ward Osaka City Osaka Prefecture, 559-8611, Japan.
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Effect of Foot Orthoses on Running Economy and Foot Longitudinal Arch Motion in Runners With Flat-Arched Feet. Int J Sports Physiol Perform 2021; 16:1401-1407. [PMID: 33691280 DOI: 10.1123/ijspp.2020-0717] [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: 08/11/2020] [Revised: 10/19/2020] [Accepted: 10/21/2020] [Indexed: 11/18/2022]
Abstract
PURPOSE To determine the effect of manipulating foot longitudinal arch motion with different-stiffness foot orthoses on running economy (RE) in runners with flat-arched feet and if changes in arch deformation and recoil were associated with changes in RE. METHODS Twenty-three recreational distance runners performed 5-minute submaximal treadmill runs at 12 km·h-1, in the following 3 conditions in a randomized order: (1) footwear only, (2) flexible orthoses (reduced arch thickness), and (3) standard orthoses. The RE (submaximal steady-state oxygen consumption [VO2submax]) and sagittal arch range of motion were compared among conditions using a repeated-measures analysis of variance and effect sizes (Cohen d). Pearson correlation coefficients were used to determine the association between the change in the sagittal arch range of motion and VO2submax. RESULTS Compared with standard orthoses, the mean VO2submax was significantly lower in both the flexible orthoses (-0.8 mL·kg-1·min-1, P < .001, d = 0.35) and footwear-only conditions (-1.2 mL·kg-1·min-1, P < .001, d = 0.49). The change in VO2submax between the flexible orthoses and footwear-only conditions was significantly positively correlated with the change in sagittal arch range of motion (r = .591, P = .005). CONCLUSION Conventional foot orthoses were associated with poorer RE compared with flexible orthoses and footwear alone. Changes in arch deformation were positively correlated to changes in oxygen consumption, indicating that foot orthoses that limit arch deformation and recoil degrade RE. Foot orthoses that facilitate energy storage and release in the foot longitudinal arch may be advisable for athletes prescribed these devices for clinical purposes to maintain optimal running performance.
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Chicoine D, Bouchard M, Laurendeau S, Moisan G, Belzile EL, Corbeil P. Biomechanical effects of three types of foot orthoses in individuals with posterior tibial tendon dysfunction. Gait Posture 2021; 83:237-244. [PMID: 33190045 DOI: 10.1016/j.gaitpost.2020.11.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 10/13/2020] [Accepted: 11/01/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND Posterior tibial tendon dysfunction (PTTD) is characterized by degeneration of this tendon leading to a flattening of the medial longitudinal arch of the foot. Foot orthoses (FOs) can be used as a treatment option, but their biomechanical effects on individuals with PTTD are not yet fully understood. RESEARCH QUESTION The aim of this study was to investigate the effects of three types of FOs on gait biomechanics in individuals with PTTD. METHODS Fourteen individuals were recruited with painful stage 1 or 2 PTTD based on Johnson and Strom's classification. Quantitative gait analysis of the affected limb was performed in four conditions: shoes only (Shoe), prefabricated FO (PFO), neutral custom FO (CFO) and custom varus FO (CVFO) with a 5° medial wedge and a 4 mm medial heel skive. A curve analysis, using 1D statistical parametric mapping, was undertaken to assess differences in lower limb joint motion, joint moments and muscle activity over the stance phase of gait across conditions. RESULTS Decreased hindfoot eversion angles, decreased ankle inversion moments and increased ankle eversion moments were observed with custom FOs compared to the Shoe and PFO conditions (p < 0.001). CFOs and CVFOs induced an increased knee abduction moment compared to Shoe (p < 0.001). No changes in hip kinematics and kinetics or in EMG activity of tested muscles were observed between conditions. SIGNIFICANCE Custom orthoses may be more suitable than PFOs to decrease the pathological biomechanical outcomes observed in PTTD. Decreased ankle inversion moments during the stance phase could explain why custom orthoses are effective at reducing pain in PTTD patients. However, clinicians should be careful when prescribing custom orthoses for PTTD since unwanted collateral biomechanical effects can be observed at the knee.
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Affiliation(s)
- Dominic Chicoine
- Department of Kinesiology, Université Laval, 2325, rue de l'Université, Québec, QC, G1V 0A6, Canada; Centre for Interdisciplinary Research in Rehabilitation and Social Integration (CIRRIS), 525, boul. Wilfrid-Hamel, Québec, QC, G1M 2S8, Canada.
| | - Marc Bouchard
- CHU de Québec-Université Laval, 11, côte du Palais, Québec, QC, G1R 2J6, Canada
| | - Simon Laurendeau
- Department of Kinesiology, Université Laval, 2325, rue de l'Université, Québec, QC, G1V 0A6, Canada; Centre for Interdisciplinary Research in Rehabilitation and Social Integration (CIRRIS), 525, boul. Wilfrid-Hamel, Québec, QC, G1M 2S8, Canada
| | - Gabriel Moisan
- Department of Kinesiology, Université Laval, 2325, rue de l'Université, Québec, QC, G1V 0A6, Canada; Centre for Interdisciplinary Research in Rehabilitation and Social Integration (CIRRIS), 525, boul. Wilfrid-Hamel, Québec, QC, G1M 2S8, Canada
| | - Etienne L Belzile
- CHU de Québec-Université Laval, 11, côte du Palais, Québec, QC, G1R 2J6, Canada
| | - Philippe Corbeil
- Department of Kinesiology, Université Laval, 2325, rue de l'Université, Québec, QC, G1V 0A6, Canada; Centre for Interdisciplinary Research in Rehabilitation and Social Integration (CIRRIS), 525, boul. Wilfrid-Hamel, Québec, QC, G1M 2S8, Canada
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18
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Desmyttere G, Leteneur S, Hajizadeh M, Bleau J, Begon M. Effect of 3D printed foot orthoses stiffness and design on foot kinematics and plantar pressures in healthy people. Gait Posture 2020; 81:247-253. [PMID: 32818861 DOI: 10.1016/j.gaitpost.2020.07.146] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 07/22/2020] [Accepted: 07/28/2020] [Indexed: 02/02/2023]
Abstract
BACKGROUND Foot orthoses (FOs) have been widely prescribed to alter various lower limb disorders. FOs' geometrical design and material properties have been shown to influence their impact on foot biomechanics. New technologies such as 3D printing provide the potential to produce custom shapes and add functionalities to FOs by adding extra-components. RESEARCH QUESTION The purpose of this study was to determine the effect of 3D printed FOs stiffness and newly design postings on foot kinematics and plantar pressures in healthy people. METHODS Two pairs of ¾ length prefabricated 3D printed FOs were administered to 15 healthy participants with normal foot posture. FOs were of different stiffness and were designed so that extra-components, innovative flat postings, could be inserted at the rearfoot. In-shoe multi-segment foot kinematics as well as plantar pressures were recorded while participants walked on a treadmill. One-way ANOVAs using statistical non-parametric mapping were performed to estimate the effect of FOs stiffness and then the addition of postings during the stance phase of walking. RESULTS Increasing FOs stiffness altered frontal and transverse plane foot kinematics, especially by further reducing rearfoot eversion and increasing the rearfoot abduction. Postings had notable effect on rearfoot frontal plane kinematics, by enhancing FOs effect. Looking at plantar pressures, wearing FOs was associated with a shift of the loads from the rearfoot to the midfoot region. Higher peak pressures under the rearfoot and midfoot (up to +31.7 %) were also observed when increasing the stiffness of the FOs. SIGNIFICANCE 3D printing techniques offer a wide range of possibilities in terms of material properties and design, providing clinicians the opportunity to administer FOs that could be modulated according to pathologies as well as during the treatment by adding extra-components. Further studies including people presenting musculoskeletal disorders are required.
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Affiliation(s)
- Gauthier Desmyttere
- École de Kinésiologie et des Sciences de l'Activité Physique, Université de Montréal, Campus Laval, 1700 rue Jacques Tétreault, Laval, QC, H7N 0B6, Canada.
| | - Sébastien Leteneur
- Université Polytechnique Hauts-de-France, UMR 8201 - LAMIH - Laboratoire d'Automatique de Mécanique et d'Informatique Industrielles et Humaines, F-59313, Valenciennes, France
| | - Maryam Hajizadeh
- Institut de Génie Biomédical, Université de Montréal, Campus Laval, 1700 rue Jacques Tétreault, Laval, QC, H7N 0B6, Canada
| | - Jacinte Bleau
- Laboratoire Orthopédique Médicus, 2520 Boul. St-Joseph, Montréal, QC, H1Y 2A2, Canada
| | - Mickael Begon
- École de Kinésiologie et des Sciences de l'Activité Physique, Université de Montréal, Campus Laval, 1700 rue Jacques Tétreault, Laval, QC, H7N 0B6, Canada; Institut de Génie Biomédical, Université de Montréal, Campus Laval, 1700 rue Jacques Tétreault, Laval, QC, H7N 0B6, Canada
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19
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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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20
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Day EM, Hahn ME. Dynamic angular stiffness about the metatarsophalangeal joint increases with running speed. Hum Mov Sci 2019; 67:102501. [DOI: 10.1016/j.humov.2019.102501] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 07/03/2019] [Accepted: 07/15/2019] [Indexed: 01/31/2023]
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21
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Day EM, Hahn ME. Increased toe-flexor muscle strength does not alter metatarsophalangeal and ankle joint mechanics or running economy. J Sports Sci 2019; 37:2702-2710. [DOI: 10.1080/02640414.2019.1661562] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Evan M. Day
- Bowerman Sports Science Clinic, Department of Human Physiology, 1240 University of Oregon, Eugene, OR, USA
| | - Michael E. Hahn
- Bowerman Sports Science Clinic, Department of Human Physiology, 1240 University of Oregon, Eugene, OR, USA
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22
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Day EM, Hahn ME. A comparison of metatarsophalangeal joint center locations on estimated joint moments during running. J Biomech 2019; 86:64-70. [PMID: 30738588 DOI: 10.1016/j.jbiomech.2019.01.044] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 01/19/2019] [Accepted: 01/22/2019] [Indexed: 12/01/2022]
Abstract
The forefoot functions as the base of support during late stance, rotating about the dual-axis of the metatarsophalangeal joints. Previous research has shown that joint axis definition affects estimated joint moments about the forefoot. However, little is known about how metatarsophalangeal joint center definition affects estimated joint kinetics. This study compared moments about the metatarsophalangeal joint using four different defined joint centers. There was a significant difference (p < .001) in peak moments between joint center definitions, differing by up to 0.488 N-m/kg for the slow and 0.878 N-m/kg for the fast running speeds tested. Additionally, there was a significant difference (p < .001) for when peak plantar flexor moment occurred during the slower running condition. The more posteriorly oriented joint centers resulted in higher moments and earlier onset of the plantar flexor moment. In addition to careful modeling of the metatarsophalangeal joint axis, it is recommended that joint center definition should be considered as well.
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Affiliation(s)
- Evan M Day
- Department of Human Physiology, University of Oregon, Eugene, OR, USA
| | - Michael E Hahn
- Department of Human Physiology, University of Oregon, Eugene, OR, USA.
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Balsdon MER, Dombroski CE. Reliability of a multi-segment foot model in a neutral cushioning shoe during treadmill walking. J Foot Ankle Res 2018; 11:60. [PMID: 30473733 PMCID: PMC6236956 DOI: 10.1186/s13047-018-0301-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 10/24/2018] [Indexed: 11/10/2022] Open
Abstract
Background Detailed kinematics of the foot has been frequently reported on in the literature, specifically using various multi-segment foot models. It is important to identify the reliability of a multi-segment foot model in a population of mixed genders and activity levels, while walking in commonly used footwear. The main objective of this study was to investigate the between-day reliability and within-session variability of the Oxford Foot Model (OFM) while walking in a neutral cushioning shoe. Methods A 7-camera Vicon motion capture system was used along with 29 passive reflective markers, placed on the participant to examine the multi-segment foot kinematics of the left foot using the OFM. Windows were cut in New Balance 840 shoes following reports from a previous investigation to maintain shoe integrity during testing. Two walking sessions on separate days were collected for 12 healthy participants, with an average total of 22 gait cycles per day. Results ICCs ranged from 0.020 to 0.964 for between-day reliability, and within-session ICC values ranged from 0.268 to 0.985. Between-day ICC values of the relative measures (excursion and range of motion (ROM)) were higher than the absolute angle measures (angle at foot strike and peak angle). Largest differences were measured in the transverse plane, and the smallest differences in the sagittal plane. Bland-Altman plots revealed best agreement in the frontal and sagittal planes. SEM values ranged from 0.04 to 3.5 for the between-day reliability. Conclusions Between-day reliability and within-session variability were comparable to previous studies for adults walking barefoot and shod. This research demonstrates that the OFM can produce reliable data when applied to the assessment of a shod foot.
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Affiliation(s)
- Megan E R Balsdon
- 1SoleScience Inc., Fowler Kennedy Sports Medicine Clinic, 3M Building, Western University, London, ON N6A 3K7 Canada
| | - Colin E Dombroski
- 1SoleScience Inc., Fowler Kennedy Sports Medicine Clinic, 3M Building, Western University, London, ON N6A 3K7 Canada.,2Faculty of Health Science, Department of Physical Therapy, Western University, London, ON N6A 3K7 Canada
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Abstract
OBJECTIVE To determine the potential presence and characteristics of biomechanical responders to customized foot orthoses during walking in adults with flat-arched feet. DESIGN Experimental, repeated-measures. SETTING University clinic and laboratory. PARTICIPANTS Eighteen symptom-free adults with flat-arched feet. INTERVENTIONS Customized foot orthoses. MAIN OUTCOME MEASURES In-shoe foot biomechanics were measured during walking with and without customized foot orthoses using 3D analysis. Selected kinematic and kinetic variables during baseline walking were compared between subgroups who displayed reductions in calcaneal eversion with foot orthoses to those with no change or increases. RESULTS Biomechanical responders displayed significantly greater peak calcaneal eversion (+2.2 degrees, P = 0.009). Time to peak calcaneal eversion (-11%, P = 0.006), peak dorsiflexion of the hallux (-6 degrees, P = 0.001), and medial-lateral excursion of the center of pressure during loading response were all reduced in the responder subgroup (-2 mm, P ≤ 0.001). Variables significantly different between subgroups were moderately associated with the response to foot orthoses (canonical correlation = 0.687, effect size = 0.47, P = 0.063). CONCLUSIONS Individuals with increased dynamic foot pronation were more likely to show a favorable biomechanical response to customized foot orthoses, providing preliminary evidence to support the stratified use of foot orthoses to optimize their effectiveness.
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Alcantara RS, Trudeau MB, Rohr ES. Calcaneus range of motion underestimated by markers on running shoe heel. Gait Posture 2018; 63:68-72. [PMID: 29723650 DOI: 10.1016/j.gaitpost.2018.04.035] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 04/23/2018] [Accepted: 04/24/2018] [Indexed: 02/02/2023]
Abstract
BACKGROUND The measurement of rearfoot kinematics by placing reflective markers on the shoe heel assumes its motion is identical to the foot's motion. Studies have compared foot and shoe kinematics during running but with conflicting results. The primary purpose of this study was to compare shoe and calcaneus three-dimensional range of motion during running. A secondary purpose was to determine the effect of a less rigid heel counter on tibia motion. RESEARCH QUESTION Do markers placed on the shoe heel accurately represent calcaneus kinematics during running? METHODS Three-dimensional coordinate data were collected on 14 subjects (M/F: 9/5) who ran on an instrumented treadmill at 3.35 m/s under four conditions: modified/intact neutral shoes, and modified/intact support shoes. Shoes were modified by placing holes through the heel to allow for shoe heel and calcaneus coordinate data to be collected simultaneously via reflective markers on the shoe and on the skin of the heel within the shoe. Calcaneus, shoe heel, and tibia ROM were calculated from 0 to 50% stance phase and compared across shoe conditions. RESULTS Calcaneal frontal plane ROM was significantly greater than neutral and support shoe heel ROM (p < 0.001). Calcaneus ROM was also significantly greater than shoe heel ROM in the transverse (p < 0.001) and sagittal (p < 0.001) planes. No change in tibial transverse plane ROM was observed (p = 0.346) across shoe heel conditions. SIGNIFICANCE Shoe markers significantly underestimated calcaneus ROM across all planes of motion. These findings suggest calcaneus kinematics cannot be accurately measured with markers placed solely on the shoe heel. Additionally, the required modifications to the shoe's heel had no effect on tibia ROM in the transverse plane.
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Affiliation(s)
- Ryan S Alcantara
- Human Performance Laboratory, Brooks Running Company, 3400 Stone Way N, Suite 500, Seattle, WA 98103 United States.
| | - Matthieu B Trudeau
- Human Performance Laboratory, Brooks Running Company, 3400 Stone Way N, Suite 500, Seattle, WA 98103 United States
| | - Eric S Rohr
- Human Performance Laboratory, Brooks Running Company, 3400 Stone Way N, Suite 500, Seattle, WA 98103 United States
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Langley B, Cramp M, Morrison SC. The influence of running shoes on inter-segmental foot kinematics. FOOTWEAR SCIENCE 2018. [DOI: 10.1080/19424280.2018.1448005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Ben Langley
- Sport and Physical Activity, Edge Hill University, Ormskirk, UK
| | - Mary Cramp
- HAS – Allied Health Professions, University of West of England, Bristol, UK
| | - Stewart C. Morrison
- Health Sciences, College of Life, Health and Physical Sciences, University of Brighton, Brighton, UK
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Eerdekens M, Staes F, Pilkington T, Deschamps K. A novel magnet based 3D printed marker wand as basis for repeated in-shoe multi segment foot analysis: a proof of concept. J Foot Ankle Res 2017; 10:38. [PMID: 28828038 PMCID: PMC5563002 DOI: 10.1186/s13047-017-0220-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Accepted: 08/08/2017] [Indexed: 11/20/2022] Open
Abstract
Background Application of in-shoe multi-segment foot kinematic analyses currently faces a number of challenges, including: (i) the difficulty to apply regular markers onto the skin, (ii) the necessity for an adequate shoe which fits various foot morphologies and (iii) the need for adequate repeatability throughout a repeated measure condition. The aim of this study therefore was to design novel magnet based 3D printed markers for repeated in-shoe measurements while using accordingly adapted modified shoes for a specific multi-segment foot model. Methods Multi-segment foot kinematics of ten participants were recorded and kinematics of hindfoot, midfoot and forefoot were calculated. Dynamic trials were conducted to check for intra and inter-session repeatability when combining novel markers and modified shoes in a repeated measures design. Intraclass correlation coefficients were calculated to determine reliability. Results Both repeatability and reliability were proven to be good to excellent with maximum joint angle deviations of 1.11° for intra-session variability and 1.29° for same-day inter-session variability respectively and ICC values of >0.91. Conclusion The novel markers can be reliably used in future research settings using in-shoe multi-segment foot kinematic analyses with multiple shod conditions.
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Affiliation(s)
- Maarten Eerdekens
- Clinical Motion Analysis Laboratory, UZ Pellenberg, Weligerveld 1, 3212 Lubbeek, Belgium
| | - Filip Staes
- Department of Rehabilitation Sciences- Musculoskeletal Rehabilitation Research Group, KULeuven, Tervuursevest 101, B-3001 Leuven, Heverlee Belgium
| | | | - Kevin Deschamps
- Department of Rehabilitation Sciences- Musculoskeletal Rehabilitation Research Group, KULeuven, Tervuursevest 101, B-3001 Leuven, Heverlee Belgium.,Institut D'Enseignement Supérieur Parnasse Deux-Alice, Division of Podiatry, Bruxelles, Belgium.,Department of Podiatry, Artevelde University College, Ghent, Belgium
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Bishop C, Hillier S, Thewlis D. The reliability of the Adelaide in-shoe foot model. Gait Posture 2017; 56:1-7. [PMID: 28463819 DOI: 10.1016/j.gaitpost.2017.04.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2015] [Revised: 04/11/2017] [Accepted: 04/13/2017] [Indexed: 02/02/2023]
Abstract
Understanding the biomechanics of the foot is essential for many areas of research and clinical practice such as orthotic interventions and footwear development. Despite the widespread attention paid to the biomechanics of the foot during gait, what largely remains unknown is how the foot moves inside the shoe. This study investigated the reliability of the Adelaide In-Shoe Foot Model, which was designed to quantify in-shoe foot kinematics and kinetics during walking. Intra-rater reliability was assessed in 30 participants over five walking trials whilst wearing shoes during two data collection sessions, separated by one week. Sufficient reliability for use was interpreted as a coefficient of multiple correlation and intra-class correlation coefficient of >0.61. Inter-rater reliability was investigated separately in a second sample of 10 adults by two researchers with experience in applying markers for the purpose of motion analysis. The results indicated good consistency in waveform estimation for most kinematic and kinetic data, as well as good inter-and intra-rater reliability. The exception is the peak medial ground reaction force, the minimum abduction angle and the peak abduction/adduction external hindfoot joint moments which resulted in less than acceptable repeatability. Based on our results, the Adelaide in-shoe foot model can be used with confidence for 24 commonly measured biomechanical variables during shod walking.
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Affiliation(s)
- Chris Bishop
- Alliance for Research in Exercise, Nutrition and Activity (ARENA), University of South Australia, Australia.
| | - Susan Hillier
- International Centre for Allied Health Evidence (iCAHE), University of South Australia, Australia
| | - Dominic Thewlis
- Alliance for Research in Exercise, Nutrition and Activity (ARENA), University of South Australia, Australia
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Trudeau MB, Jewell C, Rohr E, Fischer KM, Willwacher S, Brueggemann GP, Hamill J. The calcaneus adducts more than the shoe's heel during running. FOOTWEAR SCIENCE 2017. [DOI: 10.1080/19424280.2017.1334712] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
| | - Carl Jewell
- Department of Kinesiology, University of Massachusetts Amherst, Amherst, MA, USA
| | - Eric Rohr
- Brooks Running Company, Seattle, WA, USA
| | - Katina Mira Fischer
- Institute of Biomechanics and Orthopaedics, German Sport University, Cologne, Germany
| | - Steffen Willwacher
- Institute of Biomechanics and Orthopaedics, German Sport University, Cologne, Germany
| | | | - Joseph Hamill
- Department of Kinesiology, University of Massachusetts Amherst, Amherst, MA, USA
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Jewell C, Trudeau MB, Rohr E, Brueggemann P, Willwacher S, Fischer KM, Hamill J. Calcaneal movement measured by skin versus shoe-mounted markers. FOOTWEAR SCIENCE 2017. [DOI: 10.1080/19424280.2017.1314345] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Carl Jewell
- University of Massachusetts, Amherst, MA, United States
| | | | - Eric Rohr
- Brooks Running Human Performance Lab, Seattle, WA, United States
| | - Peter Brueggemann
- Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Köln, Germany
| | - Steffen Willwacher
- Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Köln, Germany
| | - Katina Mira Fischer
- Institute of Biomechanics and Orthopaedics, German Sport University Cologne, Köln, Germany
| | - Joseph Hamill
- University of Massachusetts, Amherst, MA, United States
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BISHOP CHRISTOPHER, ARNOLD JOHNB, MAY THOMAS. Effects of Taping and Orthoses on Foot Biomechanics in Adults with Flat-Arched Feet. Med Sci Sports Exerc 2016; 48:689-96. [DOI: 10.1249/mss.0000000000000807] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Bishop C, Hillier S, Thewlis D. A preliminary investigation of the immediate effects of footwear and custom foot orthotics on the foot in patients with plantar fasciopathy. FOOTWEAR SCIENCE 2015. [DOI: 10.1080/19424280.2015.1038633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Langley B, Cramp M, Moriyasu K, Nishiwaki T, Morrison SC. Multi-segmental foot modelling during shod activity: study of running shoe integrity. FOOTWEAR SCIENCE 2015. [DOI: 10.1080/19424280.2015.1039074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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