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Chronic ankle instability

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https://www.readbyqxmd.com/read/27923217/effect-of-direct-ligament-repair-and-tenodesis-reconstruction-on-simulated-subtalar-joint-instability
#1
Julie Choisne, Matthew C Hoch, Ian Alexander, Stacie I Ringleb
BACKGROUND: Subtalar instability is associated with up to 80% of patients presenting with chronic ankle instability but is often not considered in the diagnosis or treatment. Operative procedures to repair ankle instability have shown good clinical results, but the effects of these reconstruction procedures on isolated subtalar instability are not well understood. The goal of this study was to investigate the effect of the Gould modification of the Broström procedure and a new tenodesis reconstruction procedure on ankle and subtalar joint kinematics after simulating a subtalar injury...
November 14, 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/27904801/midfoot-and-forefoot-involvement-in-lateral-ankle-sprains-and-chronic-ankle-instability-part-1-anatomy-and-biomechanics
#2
John J Fraser, Mark A Feger, Jay Hertel
: The modern human foot is the culmination of more than five million years of evolution. The ankle-foot complex absorbs forces during loading, accommodates uneven surfaces, and acts as a lever for efficient propulsion. The ankle-foot complex has six independent functional segments that should be understood for proper assessment and treatment of foot and ankle injuries: the shank, rearfoot, midfoot, lateral forefoot, and the medial forefoot. The compliance of the individual segments of the foot is dependent on velocity, task, and active and passive coupling mechanisms within each of the foot segments...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27899356/donor-site-morbidity-after-lateral-ankle-ligament-reconstruction-using-the-anterior-half-of-the-peroneus-longus-tendon-autograft
#3
Chul Hyun Park, Woo-Chun Lee
BACKGROUND: The anterior half of the peroneus longus tendon (AHPLT) has been reported to be an effective autograft for ligament reconstruction with respect to strength and safety. However, there is little information regarding donor site morbidity after harvesting the AHPLT. Furthermore, to the best of our knowledge, there has not been a study on the isokinetic evaluation of ankle plantar flexion and eversion after AHPLT harvesting. PURPOSE: To evaluate the clinical and radiographic results after lateral ankle ligament reconstruction using the AHPLT...
November 29, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27888852/medial-sided-ankle-pain-deltoid-ligament-and-beyond
#4
REVIEW
Julia Crim
Abnormalities of the medial ligaments and posterior tibial tendon can occur because of acute injury or chronic instability or malalignment. Medial ankle injuries may occur because of pronation or supination-external rotation injuries. Deltoid ligament injuries have a significant impact on lateral ankle instability but can be overlooked in patients with lateral ligament injuries. Posterior tibial tendon dysfunction is usually associated with spring ligament or flexor retinaculum injury. Tarsal tunnel syndrome, accessory flexor muscles, and subtalar coalition should be considered as well as ligament and tendon tears in differential diagnosis of chronic medial ankle pain...
February 2017: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/27888845/mr-imaging-of-impingement-and-entrapment-syndromes-of-the-foot-and-ankle
#5
REVIEW
Edward Sellon, Philip Robinson
Impingement is a clinical syndrome of chronic pain and restricted range of movement caused by compression of abnormal bone or soft tissue within the ankle joint. It usually occurs following a sprain injury or repetitive microtrauma causing haemorrhage, synovial hyperplasia, and abnormal soft tissue interposition within the joint. MR imaging is particularly valuable in being able to detect not only the soft tissue and osseous abnormalities involved in these syndromes, but also a wide variety of other potential causes of ankle pain and instability that also may need to be addressed clinically...
February 2017: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/27880888/evidence-of-a-different-landing-strategy-in-subjects-with-chronic-ankle-instability
#6
Christophe Eechaute, Roel De Ridder, Tom Maes, David Beckwée, Eva Swinnen, Ronald Buyl, Peter Vaes
The purpose of the study is to evaluate the discriminative validity of the multiple hop test (MHT) for chronic ankle instability (CAI). The dynamic postural control of 51 CAI subjects and 52 uninjured controls was assessed using the MHT. To evaluate dynamic postural control, the type and number of balance errors were analysed and the time to complete the MHT was measured. Between-group differences of time scores and balance errors, identified as being change-in-support strategy errors (CSS) or fixed-support strategy errors (FSS), were assessed...
November 2, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27871968/lateral-ligament-reconstruction-procedures-for-the-ankle
#7
REVIEW
Yves Tourné, Christian Mabit
Capsule/ligament lesions of the lateral compartment of the ankle lead to lateral laxity, which is a prime contributor to chronic ankle instability. Lateral ligament reconstruction stabilizes the joint. Exhaustive preoperative clinical and paraclinical work-up is essential. The present article classifies, presents and criticizes the main techniques in terms of long-term stabilization and reduction of osteoarthritis risk. Anatomic ligament repair with reinforcement (mainly extensor retinaculum) or anatomic ligament reconstruction are the two recommended options...
November 18, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27843798/chronic-ankle-instability-current-perspectives
#8
REVIEW
Omar A Al-Mohrej, Nader S Al-Kenani
Ankle sprain is reported to be among the most common recurrent injuries. About 20% of acute ankle sprain patients develop chronic ankle instability. The failure of functional rehabilitation after acute ankle sprain leads to the development of chronic ankle instability. Differentiation between functional and anatomical ankle instability is very essential to guide the proper treatment. Stability testing by varus stress test and anterior drawer test should be carried out. Subtalar instability is an important pathology that is commonly by passed during the assessment of chronic ankle instability...
October 2016: Avicenna Journal of Medicine
https://www.readbyqxmd.com/read/27834579/patient-reported-efficacy-6-months-after-a-4-week-rehabilitation-intervention-in-individuals-with-chronic-ankle-instability
#9
Cynthia J Wright, Shelly W Linens
OBJECTIVE: To track the patient-reported efficacy of a 4-week intervention [wobble board (WB) or resistance tubing (RT)] in decreasing symptoms of Chronic Ankle Instability (CAI) at 6 months post-intervention (6PI) as compared to immediately post-intervention (IPI). DESIGN: Randomized controlled trial. PARTICIPANTS: Fourteen out of 21 participants (66.7%) responded to an electronic 6 month follow-up questionnaire (age: 19.6±0.9years, height: 1...
November 11, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27831747/neuromuscular-alterations-after-ankle-sprains-an-animal-model-to-establish-causal-links-after-injury
#10
Lindsey K Lepley, Patrick O McKeon, Shane G Fitzpatrick, Catherine L Beckemeyer, Timothy L Uhl, Timothy A Butterfield
CONTEXT:  The mechanisms that contribute to the development of chronic ankle instability are not understood. Investigators have developed a hypothetical model in which neuromuscular alterations that stem from damaged ankle ligaments are thought to affect periarticular and proximal muscle activity. However, the retrospective nature of these studies does not allow a causal link to be established. OBJECTIVE:  To assess temporal alterations in the activity of 2 periarticular muscles of the rat ankle and 2 proximal muscles of the rat hind limb after an ankle sprain...
November 10, 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27814667/assessment-of-relationships-between-joint-motion-quality-and-postural-control-in-patients-with-chronic-ankle-joint-instability
#11
Dawid Bączkowicz, Krzysztof Falkowski, Edyta Majorczyk
Study Design Controlled laboratory study, cross sectional. Background Lateral ankle sprains are among the most common injuries encountered during athletic participation. Following the initial injury there is an alarmingly high risk of re-injury and development of chronic ankle instability (CAI), which is dependent on a combination of factors, including sensorimotor deficits and changes in the biomechanical environment of the ankle joint. Objective To evaluate CAI-related disturbances in arthrokinematic motion quality and postural control and the relationships between them...
November 4, 2016: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/27813684/altered-vertical-ground-reaction-forces-in-participants-with-chronic-ankle-instability-while-running
#12
John Bigouette, Janet Simon, Kathy Liu, Carrie L Docherty
CONTEXT: Altered gait kinetics may increase the risk of long-term injuries in participants with chronic ankle instability (CAI). Vertical ground reaction forces (vGRFs) can provide insight into how body loading is altered. OBJECTIVE: To compare the components of vGRFs while running in participants with or without CAI. DESIGN: Cohort study. SETTING: University biomechanics laboratory. PATIENTS OR OTHER PARTICIPANTS: Twenty-four experienced, college-aged runners...
September 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27806951/therapeutic-interventions-for-improving-self-reported-function-in-patients-with-chronic-ankle-instability-a-systematic-review
#13
Kyle B Kosik, Ryan S McCann, Masafumi Terada, Phillip A Gribble
OBJECTIVE: To identify which therapeutic intervention may be most effective for improving self-reported function in patients with chronic ankle instability (CAI). DESIGN: Systematic literature review. Articles were appraised using the Downs and Black Checklist by 3 reviewers. DATA SOURCES: PubMed along with CINAHL, MEDLINE and SPORTDiscus within EBSCOhost for pertinent articles from their inception through August 2016. ELIGIBILITY CRITERIA FOR SELECTED STUDIES: Articles included were required to (1) be written in English, (2) report adequate data to calculate effect sizes, (3) identify patients with CAI, (4) use some form of therapeutic intervention and (5) use a self-reported questionnaire as a main outcome measurement...
November 2, 2016: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/27738709/-lateral-instability-of-the-upper-ankle-joint
#14
N Harrasser, K Eichelberg, F Pohlig, H Waizy, A Toepfer, R von Eisenhart-Rothe
Because of their frequency, ankle sprains are of major clinical and economic importance. The simple sprain with uneventful healing has to be distinguished from the potentially complicated sprain which is at risk of transition to chronic ankle instability. Conservative treatment is indicated for the acute, simple ankle sprain without accompanying injuries and also in cases of chronic instability. If conservative treatment fails, good results can be achieved by anatomic ligament reconstruction of the lateral ankle ligaments...
October 13, 2016: Der Orthopäde
https://www.readbyqxmd.com/read/27706549/a-multivariate-assessment-of-clinical-contributions-to-the-severity-of-perceived-dysfunction-measured-by-the-cumberland-ankle-instability-tool
#15
A Rosen, J Ko, C Brown
Chronic ankle instability is a common pathological consequence of ankle sprains. However, screening tools which assess self-reported dysfunction offer little insight into clinical factors which may be useful to improve deficits. The purpose of this study was to identify factors that contribute most to self-reported dysfunction. 93 individuals completed the Cumberland Ankle Instability Tool (CAIT), active range of motion, dynamic postural stability assessments, and an arthrometer inversion stress test to assess lateral ankle laxity and stiffness...
October 5, 2016: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/27692587/arthroscopic-anatomical-reconstruction-of-the-lateral-ankle-ligaments-a-technical-simplification
#16
R Lopes, C Decante, L Geffroy, K Brulefert, T Noailles
Anatomical reconstruction of the lateral ankle ligaments has become a pivotal component of the treatment strategy for chronic ankle instability. The recently described arthroscopic version of this procedure is indispensable to ensure that concomitant lesions are appropriately managed, yet remains technically demanding. Here, we describe a simplified variant involving percutaneous creation of the calcaneal tunnel for the distal attachment of the calcaneo-fibular ligament. The rationale for this technical stratagem was provided by a preliminary cadaver study that demonstrated a correlation between the lateral malleolus and the distal footprint of the calcaneo-fibular ligament...
September 27, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/27672576/lateral-subtalar-dislocation-case-report-and-review-of-the-literature
#17
Ewout S Veltman, Ernst Ja Steller, Philippe Wittich, Jort Keizer
A case of complicated lateral subtalar dislocation is presented and the literature concerning this injury is reviewed. Subtalar joint dislocations are rare and often the result of a high-energy trauma. Complications include avascular necrosis of the talus, infection, posttraumatic osteoarthritis requiring arthrodesis and chronic subtalar instability. Negative prognostic factors include lateral and complicated dislocations, total talar extrusions, and associated fractures. A literature search was performed to identify studies describing outcome after lateral subtalar joint dislocation...
September 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/27662790/ankle-dorsiflexion-range-of-motion-influences-lateral-step-down-test-scores-in-individuals-with-chronic-ankle-instability
#18
Terry L Grindstaff, Nadyne Dolan, Sam K Morton
OBJECTIVES: To determine differences in ankle dorsiflexion range of motion (ROM) between three groups of individuals with chronic ankle instability (CAI) based on Lateral Step Down Test quality of movement. The secondary purpose was to quantify the relationship between ankle dorsiflexion ROM and Lateral Step Down Test scores. DESIGN: Descriptive laboratory study. SETTING: University research laboratory. PARTICIPANTS: Fifty-nine participants with CAI...
July 29, 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/27642647/four-weeks-of-balance-training-does-not-affect-ankle-joint-stiffness-in-subjects-with-unilateral-chronic-ankle-instability
#19
Tarang Kumar Jain, Clayton N Wauneka, Wen Liu
BACKGROUND: Balance training has been shown to be effective in preventing ankle sprain recurrences in subjects with chronic ankle instability (CAI) but the biomechanical pathways underlying the clinical outcomes are still unknown. This study was conducted to determine if a 4-week balance training intervention can alter the mechanical characteristics in ankles with CAI. METHODS: Twenty-two recreationally active subjects with unilateral CAI were randomized to either a control (n = 11, 35...
2016: International Journal of Sports and Exercise Medicine
https://www.readbyqxmd.com/read/27639218/postural-stabilization-after-single-leg-vertical-jump-in-individuals-with-chronic-ankle-instability
#20
Guilherme S Nunes, Marcos de Noronha
OBJECTIVES: To investigate the impact different ways to define reference balance can have when analysing time to stabilization (TTS). Secondarily, to investigate the difference in TTS between people with chronic ankle instability (CAI) and healthy controls. DESIGN: Cross-sectional study. SETTING: Laboratory. PARTICIPANTS: Fifty recreational athletes (25 CAI, 25 controls). MAIN OUTCOME MEASURES: TTS of the center of pressure (CoP) after maximal single-leg vertical jump using as reference method the single-leg stance, pre-jump period, and post-jump period; and the CoP variability during the reference methods...
August 1, 2016: Physical Therapy in Sport
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