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Beyraghi Z, Khanmohammadi R, Hadian MR. Reduction in preparatory brain activity preceding gait initiation in individuals with chronic ankle instability: A movement-related cortical potential study. Eur J Neurosci 2024. [PMID: 39149917 DOI: 10.1111/ejn.16501] [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: 05/11/2024] [Revised: 07/18/2024] [Accepted: 07/25/2024] [Indexed: 08/17/2024]
Abstract
Evidence suggests that chronic ankle instability (CAI) is not merely a peripheral musculoskeletal injury but should be recognized as a neurophysiological dysfunction. This reflects a paradigm shift from focusing on peripheral structural changes to emphasizing the central nervous system. However, changes in cortical activity during functional activities remain poorly understood. Thus, this study aimed to compare preparatory brain activity during gait initiation (GI) through movement-related cortical potentials (MRCPs) in individuals with CAI and healthy subjects. The proactive components of MRCPs, including contingent negative variation (CNV) and event-related desynchronization (ERD), were measured using electroencephalography. The primary outcomes were late CNV amplitude, CNV peak amplitude, CNV peak time, and alpha/beta ERD. The results indicated that the late CNV amplitude was significantly lower in the CAI group compared to the healthy group at the Fz and Cz electrodes (P < 0.001). The CAI group also demonstrated lower CNV peak amplitude at the Fz, Cz, and Pz electrodes (P < 0.0025). Additionally, in the CAI group, signals peaked earlier at the Cz electrode (P = 0.002). Furthermore, alpha ERD at Pz was significantly lower in the CAI group than in the healthy group (P = 0.003), suggesting diminished preparatory brain activity during GI in CAI subjects. Recognizing CAI as a condition involving both peripheral and central dysfunctions highlights the importance of a multidisciplinary approach in treatment and rehabilitation. This approach should target brain activity in addition to peripheral structures, potentially leading to improved long-term outcomes for patients.
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Affiliation(s)
- Zivar Beyraghi
- Physical Therapy Department, Tehran University of Medical Sciences, Tehran, Iran
| | - Roya Khanmohammadi
- Physical Therapy Department, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Hadian
- Physical Therapy Department, Tehran University of Medical Sciences, Tehran, Iran
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Gottlieb U, Hayek R, Hoffman JR, Springer S. Exercise combined with electrical stimulation for the treatment of chronic ankle instability - A randomized controlled trial. J Electromyogr Kinesiol 2024; 74:102856. [PMID: 38198892 DOI: 10.1016/j.jelekin.2023.102856] [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: 04/23/2023] [Revised: 12/03/2023] [Accepted: 12/26/2023] [Indexed: 01/12/2024] Open
Abstract
PURPOSE To compare the short, medium, and long-term effects of balance exercises combined with either peroneal neuromuscular electrical stimulation (NMES) or peroneal transcutaneous electrical nerve stimulation (TENS) on dynamic postural control and patient reported outcome measures (PROMs) in patients with chronic ankle instability (CAI). METHODS Thirty-four participants with CAI were randomly assigned to a 12-session home based exercise program combined with NMES (Ex-NMES) or TENS (Ex- TENS). Baseline postural control was tested with the modified Star Excursion Balance Test (mSEBT) and time to stabilization (TTS) after a single-leg drop-jump. The self-reported function was measured using the Cumberland Ankle Instability Tool (CAIT), the Identification of Functional Ankle Instability (IdFAI), and the Sports subscale of the Foot and Ankle Ability Measure (FAAMSport). RESULTS Both groups showed significant improvements in all self-reported outcome measures at the 12-month follow-up. Subjects in the Ex-NMES group had significantly better IdFAI (-4.2 [95% CI -8.1, -0.2]) and FAAMSport (13.7 [95% CI 2.2, 25.2]) scores at 6- and 12-month follow-up, respectively, compared to the Ex-TENS group. Medium to large between-group effect sizes were observed in self-reported functional outcomes and the mSEBT. CONCLUSION The consistent trend of improvement in self-reported functional outcomes when training is combined with NMES compared with training with TENS may indicate a potential benefit that should be further investigated as a treatment for patients with CAI.
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Affiliation(s)
- Uri Gottlieb
- Neuromuscular and Human Performance Laboratory, Department of Physiotherapy, Ariel University, Israel.
| | - Roee Hayek
- Neuromuscular and Human Performance Laboratory, Department of Physiotherapy, Ariel University, Israel
| | - Jay R Hoffman
- Neuromuscular and Human Performance Laboratory, Department of Physiotherapy, Ariel University, Israel
| | - Shmuel Springer
- Neuromuscular and Human Performance Laboratory, Department of Physiotherapy, Ariel University, Israel.
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Shadegani R, Khanmohammadi R, Olyaei G. Comparison of effects of Mulligan taping and Kinesio taping on ankle neuromuscular control in response to a sudden inversion perturbation in individuals with chronic ankle instability. Phys Ther Sport 2023; 63:58-66. [PMID: 37506655 DOI: 10.1016/j.ptsp.2023.07.004] [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: 04/27/2023] [Revised: 07/24/2023] [Accepted: 07/24/2023] [Indexed: 07/30/2023]
Abstract
OBJECTIVES This study was aimed to compare the effects of Mulligan taping (MT) with Kinesio taping (KT) and the un-taped ankle on neuromuscular control during a sudden inversion perturbation in individuals with chronic ankle instability (CAI). DESIGN Randomized, single blind cross-over. SETTING Biomechanics lab. PARTICIPANTS 16 individuals with chronic ankle instability. MAIN OUTCOME MEASURES The outcome measures were the onset time and magnitude of short (SLR) and medium latency response (MLR) for peroneus brevis (PB), peroneus longus (PL), tibialis anterior (TA), and soleus (SOL) muscles and the TA/P and SOL/TA antagonist co-activation. RESULTS In the groups of KT and MT, the onset time was significantly decreased at post-taping compared to pre-taping, such that for the onset time of PB MLR, the groups of KT and MT had an earlier onset time than the un-taped group. For the magnitude of TA SLR and PB MLR, groups exhibited different behaviors. In the KT group, the magnitude was significantly increased post-taping, however, in the MT group, it was decreased. Regarding the TA/P and SOL/TA co-activation, the groups of KT and MT showed significant changes post-taping. CONCLUSION This study suggests that KT and MT significantly affect neuromuscular control in response to a sudden perturbation in individuals with CAI, although the behavior of KT and MT appears to be somewhat different from each other.
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Affiliation(s)
- Roghaye Shadegani
- Physical Therapy Department, Tehran University of Medical Sciences, Tehran, Iran
| | - Roya Khanmohammadi
- Physical Therapy Department, Tehran University of Medical Sciences, Tehran, Iran.
| | - Gholamreza Olyaei
- Physical Therapy Department, Tehran University of Medical Sciences, Tehran, Iran
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Zhang Y, Wang X, Wang X, Cao J, Wang H, Zhang F. Allogeneic tendons in the treatment of malunited lateral malleolar avulsion fractures with chronic lateral ankle instability. BMC Musculoskelet Disord 2023; 24:273. [PMID: 37038121 PMCID: PMC10084655 DOI: 10.1186/s12891-023-06390-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Accepted: 03/31/2023] [Indexed: 04/12/2023] Open
Abstract
BACKGROUND The aim of this study is to report our institution's experience regarding the application of allogeneic tendons for the reconstruction of malunited lateral malleolar avulsion fractures with chronic lateral ankle instability. METHODS This retrospective study included 34 (34 ankles) patients surgically treated for malunited lateral malleolar avulsion fractures with chronic lateral ankle instability from January 2016 to December 2019. All patients underwent allogeneic tendon reconstruction. The pre- and postoperative American Orthopaedic Foot and Ankle Society (AOFAS) scores、Karlsson Ankle Functional Scores (KAFS) and visual analogue scale (VAS) scores were used to evaluate the functional recovery of the ankle joint. The final follow-up, based on radiographic assessment, including talar tilt and anterior talar translation, was performed to evaluate the stability of the postoperative ankle joints. RESULTS Thirty-two patients (32 ankles) returned for final clinical and radiologic follow-up at an average of 29 (range 24-35) months and 2 patients (2 ankles) were lost to follow-up. The preoperative talus inclination angle (13.6 ± 1.9°) and anterior displacement (9.6 ± 2.8 mm) were re-examined under X-ray and found to be reduced to 3.4 ± 1.2° and 3.8 ± 1.1 mm, respectively (p<0.01). The AOFAS scores increased from 58.5 ± 4.0 to 90.9 ± 3.8 and the Karlsson scores improved from 52.2 ± 3.6 to 89.8 ± 4.5, which was obviously better and the difference was statistically significant (P < 0.01). The VAS scores were significantly reduced from a preoperative mean of 6.8 ± 1.0 to 2.8 ± 0.9 postoperatively (p<0.01). CONCLUSION In this population and with this follow-up, the application of allogeneic tendons to treat malunited lateral malleolar avulsion fractures combined with chronic lateral ankle instability appeared safe and effective.
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Affiliation(s)
- Yu Zhang
- Department of Foot and Ankle Orthopaedics Surgery, The Third Hospital of Hebei Medical University, 139 Ziqiang Road, Shijiazhuang, 050051, Hebei, China
| | - Xin Wang
- Department of Foot and Ankle Orthopaedics Surgery, The Third Hospital of Hebei Medical University, 139 Ziqiang Road, Shijiazhuang, 050051, Hebei, China
| | - Xiaomeng Wang
- Department of Foot and Ankle Orthopaedics Surgery, The Third Hospital of Hebei Medical University, 139 Ziqiang Road, Shijiazhuang, 050051, Hebei, China
| | - Jianming Cao
- Department of Foot and Ankle Orthopaedics Surgery, The Third Hospital of Hebei Medical University, 139 Ziqiang Road, Shijiazhuang, 050051, Hebei, China
| | - Huijuan Wang
- Department of Histology and Embryology, Hebei Medical University, Shijiazhuang, 050017, Hebei, China
| | - Fengqi Zhang
- Department of Foot and Ankle Orthopaedics Surgery, The Third Hospital of Hebei Medical University, 139 Ziqiang Road, Shijiazhuang, 050051, Hebei, China.
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Hou ZC, Su T, Ao YF, Hu YL, Jiao C, Guo QW, Ren S, Li N, Jiang D. Arthroscopic modified Broström procedure achieves faster return to sports than open procedure for chronic ankle instability. Knee Surg Sports Traumatol Arthrosc 2022; 30:3570-3578. [PMID: 35419704 DOI: 10.1007/s00167-022-06961-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Accepted: 03/23/2022] [Indexed: 10/18/2022]
Abstract
PURPOSE To compare the clinical outcomes, rate of return to sports, postural control, and muscle strength between the arthroscopic and open modified Broström procedure for chronic lateral ankle instability (CLAI) patients. METHODS From September 2018 to April 2019, 70 patients diagnosed with CLAI were prospectively included with arthroscopic modified Broström procedure (n = 36) and open modified Broström procedure (n = 34). They were evaluated at five time points (preoperation and 3 months, 6 months, 1 year and 2 years postoperatively). The main results examined the rate of return to sports, American Orthopaedic Foot and Ankle Society Score (AOFAS), Foot and Ankle Ability Measure (FAAM), visual analogue scale (VAS), centre of pressure (COP) excursion velocity, time to boundary (TTB), plantar pressure, isokinetic muscle strength and complications. RESULTS Compared with the open group, the arthroscopic group demonstrated a significantly shorter period of return to the preinjury sport (13.2 ± 2.4 weeks vs. 18.7 ± 3.1 weeks, P = 0.023) and a higher early sport ratio (80.6 vs. 61.8%, P = 0.011) combined with better FAAM sports and AOFAS at 3 months and 6 months postoperatively and VAS at 3 months postoperatively. In addition, better anterior-posterior postural control stability, less time to peak force under lateral hindfoot and better dorsiflexion strength were shown in the arthroscopic group at 6 months postoperatively. No significant difference was found in clinical scores, posture control or muscle strength at the 1- or 2-year follow-up between the two groups. CONCLUSIONS Shorter period and higher rates of return to sport activities and better clinical scores, posture control and muscle strength were achieved in the arthroscopic group at 6 months postoperatively, and no clinical differences were found between arthroscopic and open modified Broström procedure 1 year or 2 years postoperatively. Arthroscopic modified Broström procedure is a reliable procedure for CLAI injuries with the demand for fast exercise recovery. CLINICAL REGISTRATION ChiCTR1900023999. LEVEL OF EVIDENCE II.
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Affiliation(s)
- Zong-Chen Hou
- Department of Sports Medicine of Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, No.49 North Garden Road, Haidian, Beijing, 100191, China
| | - Tong Su
- Department of Sports Medicine of Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, No.49 North Garden Road, Haidian, Beijing, 100191, China
| | - Ying-Fang Ao
- Department of Sports Medicine of Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, No.49 North Garden Road, Haidian, Beijing, 100191, China
| | - Yue-Lin Hu
- Department of Sports Medicine of Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, No.49 North Garden Road, Haidian, Beijing, 100191, China
| | - Chen Jiao
- Department of Sports Medicine of Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, No.49 North Garden Road, Haidian, Beijing, 100191, China
| | - Qin-Wei Guo
- Department of Sports Medicine of Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, No.49 North Garden Road, Haidian, Beijing, 100191, China
| | - Shuang Ren
- Department of Sports Medicine of Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, No.49 North Garden Road, Haidian, Beijing, 100191, China
| | - Nan Li
- Research Center of Clinical Epidemiology, Peking University Third Hospital, No.49 North Garden Road, Haidian, Beijing, 100191, China
| | - Dong Jiang
- Department of Sports Medicine of Peking University Third Hospital, Institute of Sports Medicine of Peking University, Beijing Key Laboratory of Sports Injuries, No.49 North Garden Road, Haidian, Beijing, 100191, China.
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