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Zhang X, Ogasawara I, Konda S, Matsuo T, Uno Y, Miyakawa M, Nishizawa I, Arita K, Liu J, Nakata K. Absorption function loss due to the history of previous ankle sprain explored by unsupervised machine learning. Gait Posture 2024; 109:56-63. [PMID: 38277765 DOI: 10.1016/j.gaitpost.2024.01.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 01/12/2024] [Accepted: 01/17/2024] [Indexed: 01/28/2024]
Abstract
BACKGROUND Ankle sprains are common and cause persistent ankle function reduction. To biomechanically evaluate the ankle function after ankle sprains, the ground reaction force (GRF) measurement during the single-legged landing had been used. However, previous studies focused on discrete features of vertical GRF (vGRF), which largely ignored vGRF waveform features that could better identify the ankle function. PURPOSE To identify how the history of ankle sprain affect the vGRF waveform during the single-legged landing with unsupervised machine learning considering the time-series information of vGRF. METHODS Eighty-seven currently healthy basketball athletes (12 athletes without ankle sprain, 49 athletes with bilateral, and 26 athletes with unilateral ankle sprain more than 6 months before the test day) performed single-legged landings from a 20 centimeters (cm) high box onto the force platform. Totally 518 trials vGRF data were collected from 87 athletes of 174 ankles, including 259 ankle sprain trials (from previous sprain ankles) and 259 non-ankle sprain trials (from without sprain ankles). The first 100 milliseconds (ms) vGRF waveforms after landing were extracted. Principal component analysis (PCA) was applied to the vGRF data, selecting 8 principal components (PCs) representing 96% of the information. Based on these 8 PCs, k-means method (k = 3) clustered the 518 trials into three clusters. Chi-square test assessed significant differences (p < 0.01) in the distribution of ankle sprain and non-ankle sprain trials among clusters. FINDINGS The ankle sprain trials accounted for a significantly larger percentage (63.9%) in Cluster 3, which exhibited rapidly increased impulse vGRF waveforms with larger peaks in a short time. SIGNIFICANCE PCA and k-means method for vGRF waveforms during single-legged landing identified that the history of previous ankle sprains caused a loss of ankle absorption ability lasting at least 6 months from an ankle sprain.
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Affiliation(s)
- Xuemei Zhang
- Department of Health and Sport Sciences, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Issei Ogasawara
- Department of Health and Sport Sciences, Graduate School of Medicine, Osaka University, Osaka, Japan; Department Sports Medical Biomechanics, Graduate School of Medicine, Osaka University, Osaka, Japan.
| | - Shoji Konda
- Department of Health and Sport Sciences, Graduate School of Medicine, Osaka University, Osaka, Japan; Department Sports Medical Biomechanics, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Tomoyuki Matsuo
- Department of Health and Sport Sciences, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Yuki Uno
- Department of Health and Sport Sciences, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Motoi Miyakawa
- Department of Health and Sport Sciences, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Izumi Nishizawa
- Department of Health and Sport Sciences, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Kazuki Arita
- Department of Health and Sport Sciences, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Jianting Liu
- Department of Health and Sport Sciences, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Ken Nakata
- Department of Health and Sport Sciences, Graduate School of Medicine, Osaka University, Osaka, Japan
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Yu P, Cen X, Mei Q, Wang A, Gu Y, Fernandez J. Differences in intra-foot movement strategies during locomotive tasks among chronic ankle instability, copers and healthy individuals. J Biomech 2024; 162:111865. [PMID: 37976687 DOI: 10.1016/j.jbiomech.2023.111865] [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: 06/01/2023] [Revised: 10/31/2023] [Accepted: 11/09/2023] [Indexed: 11/19/2023]
Abstract
Individuals with chronic ankle instability (CAI) suffer from the resulting sequela of repetitive lateral ankle sprains (LAS), whilst copers appear to cope with initial LAS successfully. Therefore, the aim of this study was to explore the intra-foot biomechanical differences among CAI, copers, and healthy individuals during dynamic tasks. Twenty-two participants per group were included and required to perform cutting and different landing tasks (DL: drop landing; FL: forward jump followed a landing). A five-segment foot model with 8 degrees of freedom was used to explore the intra-foot movement among these three groups. Smaller dorsiflexion angles were found in copers (DL tasks and prelanding task) and CAI (DL and FL task) compared to healthy participants. Copers presented a more eversion position compared to others during these dynamic tasks. During the descending phase of DL task, greater dorsiflexion angles in the metatarsophalangeal joint were found in copers compared to the control group. Joint moment difference was only found in the subtalar joint during the descending phase of FL task, presenting more inversion moments in copers compared to healthy participants. Copers rely on more eversion positioning to prevent over-inversion of the subtalar joint compared to CAI. Further, the foot became more unstable when conducting sport-related movements, suggesting that foot stability seems to be sensitive to the task types. These findings may help in designing and implementing interventions to restore functions of the ankle joint in CAI individuals.
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Affiliation(s)
- Peimin Yu
- Faculty of Sports Science, Ningbo University, Ningbo, China; Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand; Doctoral School on Safety and Security Sciences, Óbuda University, Budapest, Hungary
| | - Xuanzhen Cen
- Faculty of Sports Science, Ningbo University, Ningbo, China; Doctoral School on Safety and Security Sciences, Óbuda University, Budapest, Hungary; Faculty of Engineering, University of Szeged, Szeged, Hungary
| | - Qichang Mei
- Faculty of Sports Science, Ningbo University, Ningbo, China; Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
| | - Alan Wang
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
| | - Yaodong Gu
- Faculty of Sports Science, Ningbo University, Ningbo, China; Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand.
| | - Justin Fernandez
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand; Department of Engineering Science and Biomedical Engineering, University of Auckland, Auckland, New Zealand
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Ghislieri M, Labanca L, Mosca M, Bragonzoni L, Knaflitz M, Benedetti MG, Agostini V. Balance and Muscle Synergies During a Single-Limb Stance Task in Individuals With Chronic Ankle Instability. IEEE Trans Neural Syst Rehabil Eng 2023; 31:4367-4375. [PMID: 37906487 DOI: 10.1109/tnsre.2023.3328933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2023]
Abstract
The aim of this study was to investigate balance performance and muscle synergies during a Single-Limb Stance (SLS) task in individuals with Chronic Ankle Instability (CAI) and a group of healthy controls. Twenty individuals with CAI and twenty healthy controls were asked to perform a 30-second SLS task in Open-Eyes (OE) and Closed-Eyes (CE) conditions while standing on a force platform with the injured or the dominant limb, respectively. The activation of 13 muscles of the lower limb, hip, and back was recorded by means of surface electromyography. Balance performance was assessed by identifying the number and the duration of SLS epochs, and the Root-Mean-Square (RMS) in Antero-Posterior (AP) and Medio-Lateral (ML) directions of the body-weight normalized ground reaction forces. The optimal number of synergies, weight vectors, and activation coefficients were also analyzed. CAI group showed a higher number and a shorter duration of SLS epochs and augmented ground reaction force RMS in both AP and ML directions compared to controls. Both groups showed an increase in the RMS in AP and ML forces in CE compared to OE. Both groups showed 4 optimal synergies in CE, while controls showed 5 synergies in OE. CAI showed a significantly higher weight of knee flexor muscles in both OE and CE. In conclusion, muscle synergies analysis provided an in-depth knowledge of motor control mechanisms in CAI individuals. They showed worse balance performance, a lower number of muscle synergies in a CE condition and abnormal knee flexor muscle activation compared to healthy controls.
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Kang M, Zhang T, Yu R, Ganderton C, Adams R, Han J. Effect of Different Landing Heights and Loads on Ankle Inversion Proprioception during Landing in Individuals with and without Chronic Ankle Instability. Bioengineering (Basel) 2022; 9:bioengineering9120743. [PMID: 36550949 PMCID: PMC9774139 DOI: 10.3390/bioengineering9120743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 11/11/2022] [Accepted: 11/16/2022] [Indexed: 12/03/2022] Open
Abstract
Proprioception is essential for neuromuscular control in relation to sport injury and performance. The effect of landing heights and loads on ankle inversion proprioceptive performance in individuals with or without chronic ankle instability (CAI) may be important but are still unclear. Forty-three participants (21 CAI and 22 non-CAI) volunteered for this study. The Ankle Inversion Discrimination Apparatus for Landing (AIDAL), with one foot landing on a horizontal surface and the test foot landing on an angled surface (10°, 12°, 14°, 16°), was utilized to assess ankle proprioception during landing. All participants performed the task from a landing height of 10 cm and 20 cm with 100% and 110% body weight loading. The four testing conditions were randomized. A repeated measures ANOVA was used for data analysis. The result showed that individuals with CAI performed significantly worse across the four testing conditions (p = 0.018). In addition, an increased landing height (p = 0.010), not loading (p > 0.05), significantly impaired ankle inversion discrimination sensitivity. In conclusion, compared to non-CAI, individuals with CAI showed significantly worse ankle inversion proprioceptive performance during landing. An increased landing height, not loading, resulted in decreased ankle proprioceptive sensitivity. These findings suggest that landing from a higher platform may increase the uncertainty of judging ankle positions in space, which may increase the risk of ankle injury.
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Affiliation(s)
- Ming Kang
- School of Exercise and Health, Shanghai University of Sport, Shanghai 200438, China
| | - Tongzhou Zhang
- School of Exercise and Health, Shanghai University of Sport, Shanghai 200438, China
| | - Ruoni Yu
- School of Medicine, Jinhua Polytechnic, Jinhua 321000, China
| | - Charlotte Ganderton
- Faculty of Health, Arts and Design, Swinburne University of Technology, Hawthorn, VIC 3122, Australia
| | - Roger Adams
- Research Institute for Sport and Exercise, University of Canberra, Canberra, ACT 2234, Australia
| | - Jia Han
- College of Rehabilitation Sciences, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
- Correspondence:
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Klaewkasikum K, Patathong T, Angsanuntsukh C, Woratanarat T, Sanguantrakul J, Woratanarat P. The ankle kinematic reference of normal gait pattern in Thai adults. Front Surg 2022; 9:915090. [PMID: 36034375 PMCID: PMC9403080 DOI: 10.3389/fsurg.2022.915090] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 07/07/2022] [Indexed: 11/13/2022] Open
Abstract
ObjectiveThis study was aimed to establish the reference values of ankle kinematics and factors associated with ankle kinematics of healthy Thai adults.MethodsA prospective cohort was conducted among healthy volunteers aged between 18 and 40 years and evaluated gait analysis between 2016 and 2020. After applying the modified Halen Hayes marker set, participants were assigned to walk 8–10 rounds with their preferred speed. Demographic data i.e., age, gender and body mass index (BMI) and ankle kinematics (varus-valgus, dorsiflexion-plantar flexion, foot progression, and ankle rotation) using motion analysis software were recorded and analyzed.Results98 volunteers (60 females and 38 males) aged 28.6 ± 5.4 years with body mass index 21.2 ± 2.0 kg/m2 were included. The average ranges of ankle kinematics entire gait cycle were varus-valgus −1.62 to 3.17 degrees, dorsiflexion-plantar flexion 0.67 to 14.52 degrees, foot progression −21.73 to −8.47 degrees, and ankle rotation 5.22 to 9.74 degrees. The ankle kinematic data in this study population was significantly different from the normal values supplied by OrthoTrak software of the motion analysis program, especially more ankle internal rotation at mid-stance (5.22 vs. −12.10 degrees) and terminal stance (5.48 vs. −10.74 degrees) with P < 0.001. Foot progression significantly exhibited more external rotation for 1.5 degrees on the right compared to the left side, and for 5 degrees more in males than females. One increment in age was significantly correlated with ankle internal rotation at mid-swing (coefficient 0.21 degrees, P = 0.039). BMI had no statistical association with ankle kinematics. Statistical parametric mapping for full-time series of angle assessments showed significantly different foot progression at initial contact and terminal stance between sides, and our ankle kinematics significantly differed from the reference values of the motion analysis program in all planes (P < 0.05).ConclusionThe reference of ankle kinematics of Thai adults was established and differences between sides and the normal values of the motion analysis program were identified. Advanced age was associated with ankle internal rotation, and male gender was related to external foot progression. Further studies are needed to define all-age group reference values.
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Affiliation(s)
- Krongkaew Klaewkasikum
- Department of Orthopaedics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Tanyaporn Patathong
- Department of Orthopaedics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Chanika Angsanuntsukh
- Department of Orthopaedics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | - Thira Woratanarat
- Department of Preventive and Social Medicine, Faculty of Medicine, Chulalongkorn University, BangkokThailand
| | - Jongsook Sanguantrakul
- National Electronics and Computer Technology Center, National Science and Technology Development Agency, Pathumthani, Thailand
| | - Patarawan Woratanarat
- Department of Orthopaedics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
- Correspondence: Patarawan Woratanarat
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