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Chronic lateral ankle instability

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https://www.readbyqxmd.com/read/27904801/midfoot-and-forefoot-involvement-in-lateral-ankle-sprains-and-chronic-ankle-instability-part-1-anatomy-and-biomechanics
#1
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
#2
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
#3
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/27871968/lateral-ligament-reconstruction-procedures-for-the-ankle
#4
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/27831747/neuromuscular-alterations-after-ankle-sprains-an-animal-model-to-establish-causal-links-after-injury
#5
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
#6
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/27738709/-lateral-instability-of-the-upper-ankle-joint
#7
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
#8
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
#9
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
#10
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
#11
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/27639218/postural-stabilization-after-single-leg-vertical-jump-in-individuals-with-chronic-ankle-instability
#12
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
https://www.readbyqxmd.com/read/27638269/the-all-inside-arthroscopic-brostr%C3%A3-m-procedure-with-additional-suture-anchor-augmentation-a-prospective-study-of-45-consecutive-patients
#13
James M Cottom, Joseph S Baker, Phillip E Richardson
Lateral ankle sprains are a common injury that typically respond well to nonoperative therapy. When nonoperative therapy fails and patients develop chronic lateral ankle instability, they become candidates for surgical repair. The present study examined 45 consecutive patients (45 ankles) with chronic lateral ankle instability who underwent arthroscopic Broström repair using a double-row suture anchor construct. The 45 patients (27 females and 18 males) were followed up for a mean of 14 (range 12 to 20) months...
September 21, 2016: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27626836/muscle-activation-during-landing-before-and-after-fatigue-in-individuals-with-or-without-chronic-ankle-instability
#14
Kathryn A Webster, Brian G Pietrosimone, Phillip A Gribble
CONTEXT: Ankle instability is a common condition in physically active individuals. It often occurs during a jump landing or lateral motion, particularly when participants are fatigued. OBJECTIVE: To compare muscle activation during a lateral hop prefatigue and postfatigue in individuals with or without chronic ankle instability (CAI). DESIGN: Cross-sectional study. SETTING: Sports medicine research laboratory. PATIENTS OR OTHER PARTICIPANTS: A total of 32 physically active participants volunteered for the study...
August 2016: Journal of Athletic Training
https://www.readbyqxmd.com/read/27602349/treatment-of-chronic-lateral-ankle-instability-using-the-brostr%C3%A3-m-gould-procedure-in-athletes-long-term-results
#15
Adriano Russo, Paolo Giacchè, Enrico Marcantoni, Annalisa Arrighi, Luigi Molfetta
PURPOSE: this study was conducted to evaluate long-term results following treatment of chronic lateral ankle instability using the Broström-Gould technique in athletes. METHODS: eighteen athletes involved in competitive sports at different levels, who suffered from chronic lateral ankle instability, underwent Broström-Gould ligamentoplasty between 2000 and 2005. The results of the surgery were evaluated using the American Orthopaedic Foot and Ankle Society (AOFAS) scale...
April 2016: Joints
https://www.readbyqxmd.com/read/27599440/arthroscopic-repair-of-ankle-instability
#16
REVIEW
Matthew D Sorensen, John Baca, Keith Arbuckle
Arthroscopic lateral ankle stabilization procedures have been described for many years. New technological advances and a deeper understanding of the pathobiomechanics involved in chronic lateral ankle instability have allowed an expansion of arthroscopic approaches to this common pathology. As experience is gained and outcomes within the patient profile are understood, the authors feel that the arthroscopic approach to lateral ankle stabilization may prove superior to traditional methods secondary to the risk and traditional complications that are mitigated within minimally invasive arthroscopic approaches...
October 2016: Clinics in Podiatric Medicine and Surgery
https://www.readbyqxmd.com/read/27570782/diminished-foot-and-ankle-muscle-volumes-in-young-adults-with-chronic-ankle-instability
#17
Mark A Feger, Shannon Snell, Geoffrey G Handsfield, Silvia S Blemker, Emily Wombacher, Rachel Fry, Joseph M Hart, Susan A Saliba, Joseph S Park, Jay Hertel
BACKGROUND: Patients with chronic ankle instability (CAI) have demonstrated altered neuromuscular function and decreased muscle strength when compared with healthy counterparts without a history of ankle sprain. Up to this point, muscle volumes have not been analyzed in patients with CAI to determine whether deficits in muscle size are present following recurrent sprain. PURPOSE: To analyze intrinsic and extrinsic foot and ankle muscle volumes and 4-way ankle strength in young adults with and without CAI...
June 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27528610/comparison-of-the-modified-brostr%C3%A3-m-procedure-for-chronic-lateral-ankle-instability-with-and-without-subfibular-ossicle
#18
Hyeon-Wook Ahn, Keun-Bae Lee
BACKGROUND: Subfibular ossicles are frequently found in patients with chronic lateral ankle instability (CLAI). However, there is a lack of consensus about the optimal surgical treatment for CLAI with subfibular ossicle. PURPOSE: To evaluate the clinical and radiographic outcomes of the modified Broström procedure with subfibular ossicle excision compared with the same procedure for CLAI without subfibular ossicle. STUDY DESIGN: Cohort study; Level of evidence, 3...
December 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27524711/endoscopic-ankle-lateral-ligament-graft-anatomic-reconstruction
#19
REVIEW
Frederick Michels, Guillaume Cordier, Stéphane Guillo, Filip Stockmans
Chronic instability is a common complication of lateral ankle sprains. If nonoperative treatment fails, a surgical repair or reconstruction may be indicated. Today, endoscopic techniques to treat ankle instability are becoming more popular. This article describes an endoscopic technique, using a step-by-step approach, to reconstruct the ATFL and CFL with a gracilis graft. The endoscopic technique is reproducible and safe with regard to the surrounding anatomic structures. Short and midterm results confirm the benefits of this technique...
September 2016: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/27497693/anatomic-validation-of-the-lateral-malleolus-as-a-cutaneous-marker-for-the-distal-insertion-of-the-calcaneofibular-ligament
#20
R Lopes, T Noailles, K Brulefert, L Geffroy, C Decante
PURPOSE: An anatomic study was performed to confirm whether the lateral malleolus could serve as a simple and reproducible anatomic reference for the distal insertion of the calcaneofibular ligament (CFL). METHODS: Dissection was performed after placement of a Kirschner wire to simulate the calcaneal tunnel for the distal insertion of the CFL. The skin was penetrated 1 cm distal and posterior to the tip of the lateral malleolus. The main information recorded was the distance from the Kirschner wire to the centre of the distal insertion of the CFL...
August 6, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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