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Lateral ankle sprain

Kyung-Min Kim, Joo-Sung Kim, Jeonghoon Oh, Sae Yong Lee
BACKGROUND: Acute lateral ankle sprain (ALAS) impairs unipedal balance both with the injured and uninjured limb, suggesting that balance during bipedal stance may also be compromised. However, a previous study failed to find such impairment because of poorly sensitive balance outcomes. Time-to-boundary (TTB) analysis may be sensitive enough for detecting latent deficits in bipedal balance following ALAS. RESEARCH QUESTION: We aimed to examine postural stability during bipedal stance in patients with ALAS using TTB outcomes, and to determine bilateral deficits in unipedal balance...
October 9, 2018: Gait & Posture
J K G Louwerens, D T Mensch, O J W Verhoof, P R de Reuver, T S Bijlsma, A van Noort, M P J van den Bekerom
BACKGROUND: The outcome of a removable (MOK-cast) versus a non-removable polyester wrap for acute lateral ankle ligament injury is unknown. METHODS: Patients with grade II-III lateral ankle ligament injuries were randomized between treatment with a MOK-cast and a wrap. Primary outcome is the Karlsson score for function. Secondary outcomes are patient satisfaction and pain at 4 months follow-up. RESULTS: Randomisation resulted in 53 and 54 patients per arm...
March 26, 2018: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
Masafumi Terada, Megan Beard, Sara Carey, Kate Pfile, Brian Pietrosimone, Elizabeth Rullestad, Heather Whitaker, Phillip Gribble
This study aimed to compare time-to-boundary and sample entropy during a single-leg balance task between individuals with chronic ankle instability (CAI), lateral ankle sprain copers, and healthy controls. Twenty-two participants with CAI, 20 lateral ankle sprain copers, and 24 healthy controls performed a single-leg balance task during an eyes-closed condition. Participants with CAI exhibited lower time-to-boundary values compared with lateral ankle sprain copers and healthy controls. However, we did not find differences in sample entropy variables between cohorts...
October 13, 2018: Motor Control
Peilong Dong, Song Gu, Yiqiu Jiang, Wangxiang Yao, Kaibin Zhang, Tianqi Tao, Yang Li, Wang Li, Jianchao Gui
Lateral ankle sprains are one of the most common injuries in sports. Recently, arthroscopic lateral ligament reconstruction has been recently advocated, however no biomechanical studies and clinical application of this technique are available. In this biomechanical study, eighteen fresh-frozen cadaveric ankles were randomized into three groups: (1) intact anterior talofibular ligament (ATFL) and calcaneofibular ligament (CFL), (2) arthroscopic anatomic reconstruction of ATFL and CFL, and (3) all arthroscopic remnant-preserving reconstruction of ATFL and CFL...
October 9, 2018: Biochemical and Biophysical Research Communications
Brittany Mann, Allison H Gruber, Shane P Murphy, Carrie L Docherty
CONTEXT: The lateral ankle sprain is one of the most common lower extremity injuries in sports. Previous research has found that some prophylactic ankle supports reduce the risk of recurrent ankle sprains and provide extra support to the joint. However, there is a continued concern that these supports may negatively influence performance. OBJECTIVE: To determine if wearing an ankle brace influences athlete performance and ankle kinematics during functional performance tests (FPTs)...
October 9, 2018: Journal of Sport Rehabilitation
Jin Hyuck Lee, Soon Hyuck Lee, Gi Won Choi, Hae Woon Jung, Woo Young Jang
PURPOSE: To compare proprioception, postural stability, and neuromuscular control between patients with mechanical laxity and recurrent ankle sprain. METHODS: Among 86 patients with ankle instability, 45 patients had mechanical laxity (mean age 27.2 ± 7.0 years) and 41 had recurrent ankle sprain (mean age 25.1 ± 9.2 years). Both the affected and unaffected ankles of each patient were evaluated. Proprioception and neuromuscular control tests were conducted using an isokinetic machine, and postural stability was tested using a postural stabilometry system...
October 5, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Frédéric Noé, Xavier García-Massó, Damien Ledez, Thierry Paillard
OBJECTIVE: This study was undertaken in order to provide new insight into sensorimotor control of posture when wearing high-shaft (HS) boots as ski boots. BACKGROUND: Previous studies into the effects of HS boots on postural control have produced controversial results. Some studies reported postural control impairments with ski boots in bipedal postural tasks due to ankle movement restrictions without quantifying the actual restrictive effect of these boots and specifying the adaptations of the postural control system...
October 3, 2018: Human Factors
Matt Greig, Hannah Emmerson, John McCreadie
CONTEXT: Contemporary developments in GPS technology present a means of quantifying mechanical loading in a clinical environment with high ecological validity. However, applications to date have typically focussed on performance rather than rehabilitation. OBJECTIVE: To examine the efficacy of GPS micro-technology in quantifying the progression of loading during functional rehabilitation from ankle sprain injury, given the prevalence of re-injury and need for quantifiable monitoring...
September 17, 2018: Journal of Sport Rehabilitation
Dana M Otzel, Chris J Hass, Erik A Wikstrom, Mark D Bishop, Paul A Borsa, Mark D Tillman
CONTEXT: Following a lateral ankle sprain, approximately 40% of individuals develop chronic ankle instability (CAI), characterized by recurrent injury and sensations of giving way. Deafferentation due to mechanoreceptor damage post-injury is suggested to contribute to arthrogenic muscle inhibition (AMI). Whole-body vibration (WBV) has the potential to address the neurophysiologic deficits accompanied by CAI and therefore possibly prevent re-injury. OBJECTIVE: To determine if an acute bout of WBV can improve AMI and proprioception in individuals with CAI...
September 17, 2018: Journal of Sport Rehabilitation
Bethany Wisthoff, Shannon Matheny, Aaron Struminger, Geoffrey Gustavsen, Joseph Glutting, Charles Swanik, Thomas W Kaminski
OBJECTIVES: Lateral ankle sprains commonly occur in an athletic population and can lead to chronic ankle instability (CAI). The objective of this study was to compare ankle strength measurements in athletes who have mechanical laxity and report functional instability after a history of unilateral ankle sprains. DESIGN: Retrospective cohort. SETTING: Athletic Training Research Lab. PARTICIPANTS: 165 National Collegiate Athletic Association Division I athletes, 97 males and 68 females, with history of unilateral ankle sprains participated...
September 17, 2018: Journal of Sport Rehabilitation
Noha Mahmoud Youssef, Azza Mohammed Abdelmohsen, Ahmed Atteya Ashour, Naglaa Mohamed Elhafez, Salam Mohamed Elhafez
BACKGROUND: Chronic ankle instability (CAI) is a common sequence of ankle sprain. Conservative treatment of CAI is currently accepted as a primary mean of managing the condition and preventing of recurrence. OBJECTIVES: The purpose of the current study was to evaluate the effect of Weight-bearing Exercise for Better Balance (WEBB) program and unilateral balance training exercises on postural control in females with CAI. METHODS: Thirty-five females with CAI participated in this study...
2018: Acta of Bioengineering and Biomechanics
L A Gómez-Carlín, V J Ramírez-Gómez, A E Torres-Ortega, A M Contreras-Navarro, R Ortega-Orozco
BACKGROUND: The most frequent sequel to the ankle sprain is the instability of the lateral ligament complex; the results of surgical treatment have not been evaluated with multiple scales simultaneously. The objective of the study was to assess the clinical and functional results with three scales in patients with lateral instability of ankle undergoing Broström-Gould technique, using for fixation, anchors with suture to distal fibula. MATERIAL AND METHODS: The design of the study was cross-sectional and descriptive; we included patients with lateral instability of ankle and partial or complete rupture of the APA or CP ligament subject to repair with Broström-Gould technique...
March 2018: Acta Ortopédica Mexicana
Sheng-Che Yen, Eric Folmar, Katherine A Friend, Ying-Chih Wang, Kevin K Chui
BACKGROUND: Individuals with chronic ankle instability (CAI) tend to walk with an overly inverted foot, which increases the risk of ankle sprains during stance phase. Clinicians could perform ankle taping using kinesiotape (KT) or athletic tape (AT) to address this issue. Because KT is elastic while AT is not, the techniques and underlying mechanisms for applying these tapes are different, which may lead to different outcomes. RESEARCH QUESTION: To compare the effects of KT and AT interventions on foot motion in the frontal plane and tibial motion in the transverse plane during stance phase of walking...
August 28, 2018: Gait & Posture
Mark A Dreyer, Annabelle Dookie
Lateral ankle sprains are common injuries seen by primary care and podiatric specialties. However, lateral ankle pain from a suspected inversion injury of the ankle may be more than a Grades I, II, or III ankle sprain.This case report illustrates a 30-year-old U.S. Navy Active Duty Service Member that was initially diagnosed with a "lateral ankle sprain". Upon subsequent follow-up with a podiatric foot and ankle surgeon, he was diagnosed with a 3-month-old chronic and neglected Achilles tendon rupture...
August 20, 2018: Military Medicine
John J Fraser, Jay Hertel
A healthy 19-year-old male college student (height = 177.8 cm, mass = 64.3 kg, body mass index = 20.3 kg/m2 , Foot Posture Index = -1) participating in a study sustained a grade 2 inversion lateral ankle sprain 3 days after completing patient-reported outcome measures. A treatment protocol including therapeutic exercises and midfoot mobilizations was provided. Patient-reported outcomes assessing physical health, mental health, and foot-ankle function were completed 3 days preinjury and 1, 3, and 12 weeks postinjury...
August 2018: Journal of Athletic Training
Arne Burssens, Hannes Vermue, Alexej Barg, Nicola Krähenbühl, Jan Victor, Kris Buedts
BACKGROUND: Diagnosis and operative treatment of syndesmotic ankle injuries remain challenging due to the limitations of 2-dimensional imaging. The aim of this study was therefore to develop a reproducible method to quantify the displacement of a syndesmotic lesion based on 3-dimensional computed imaging techniques. METHODS: Eighteen patients with a unilateral syndesmotic lesion were included. Bilateral imaging was performed with weightbearing cone-beam computed tomography (CT) in case of a high ankle sprain (n = 12) and by nonweightbearing CT in case of a fracture-associated syndesmotic lesion (n = 6)...
August 20, 2018: Foot & Ankle International
Jupil Ko, Adam B Rosen, Cathleen N Brown
Determining the clinical utility of functional performance tests (FPTs) and establishing cutoff scores could be useful in identifying those athletes who could benefit from effective injury prevention interventions. Our purpose was to determine the accuracy of FPTs in identifying adolescent athletes who go on to experience lateral ankle sprain(s) and establish specific cutoff scores capable of identifying those who sustain a lateral ankle sprain in the near future. Sixty-four participants (age = 15.5 ± 1...
August 18, 2018: Scandinavian Journal of Medicine & Science in Sports
Hatem Jaber, Everett Lohman, Noha Daher, Gurinder Bains, Abhay Nagaraj, Prajakta Mayekar, Manali Shanbhag, Mansoor Alameri
BACKGROUND/PURPOSE: Ankle sprains are common and potentially disabling musculoskeletal injuries that often lead to chronic ankle instability (CAI). CAI has been linked to impairments in postural and neuromuscular control; however, inconsistent findings have been reported. Individuals who experience a lateral ankle sprain, but do not develop instability, termed copers, may adapt different neuromuscular control strategies after injury. This study aimed to compare postural control and electromyographic (EMG) activity of hip and ankle muscles during the performance of the Star Excursion Balance Test (SEBT) in subjects with and without CAI...
2018: PloS One
Andreia S P Sousa, Isabel Valente, Ana Pinto, Tiago Soutelo, Márcia Silva
CONTEXT:   The determinant role of medium latency responses (MLRs) during compensatory postural adjustments in postural stability and the lack of clarity about the mechanisms behind chronic ankle instability (CAI) sustain the hypothesis that these postural responses are impaired in this condition. However, to the best of our knowledge, no authors have assessed MLRs in patients with CAI; most of the research regarding compensatory postural adjustments has been directed at the timing of short latency responses (SLRs)...
July 2018: Journal of Athletic Training
Ryan S McCann, Brenn A Bolding, Masafumi Terada, Kyle B Kosik, Ian D Crossett, Phillip A Gribble
CONTEXT:   Compared with individuals who have a history of lateral ankle sprain (LAS) without markers of chronic ankle instability (CAI; LAS copers) and healthy people, those with CAI often exhibit neuromuscular impairments and dynamic-stability deficits at the hip. However, the influence of hip-strength deficits on dynamic stability remains unknown. OBJECTIVE:   To compare isometric hip strength and dynamic stability in individuals with or without CAI and examine the degree of dynamic-stability variance explained by isometric hip strength...
July 2018: Journal of Athletic Training
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