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Ankle injury

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https://www.readbyqxmd.com/read/29908655/analysis-of-surface-to-surface-distance-mapping-during-three-dimensional-motion-at-the-ankle-and-subtalar-joints
#1
Sorin Siegler, Tobias Konow, Claudio Belvedere, Andrea Ensini, Rewati Kulkarni, Alberto Leardini
Joint surface interaction and ligament constraints determine the kinematic characteristics of the ankle and subtalar joints. Joint surface interaction is characterized by joint contact mechanics and by relative joint surface position potentially characterized by distance mapping. While ankle contact mechanics was investigated, limited information is available on joint distance mapping and its changes during motion. The purpose of this study was to use image-based distance mapping to quantify this interaction at the ankle and subtalar joints during tri-planar rotations of the ankle complex...
June 7, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29908296/sonographically-guided-plantaris-tendon-release-a-cadaveric-validation-study
#2
Jay Smith, Håkan Alfredson, Lorenzo Masci, Jacob L Sellon, Charonn D Woods
BACKGROUND: The plantaris tendon (PT) has been implicated in the pathogenesis of symptoms in a subset of patients with Achilles region pain syndromes and has been traditionally managed via open surgical resection. Although the PT can be visualized on ultrasound, a minimally invasive technique for sonographically guided PT release has not been formally described. OBJECTIVE: To validate a technique to perform sonographically guided PT release in an unembalmed cadaveric model...
June 13, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29902807/a-biomechanical-comparison-of-single-leg-landing-and-unplanned-sidestepping
#3
Chamnan Chinnasee, Gillian Weir, Siriporn Sasimontonkul, Jacqueline Alderson, Cyril Donnelly
Unplanned sidestepping and single-leg landing have both been used to screen athletes for injury risk in sport. The aim of this study was to directly compare the lower limb mechanics of three single-leg landing tasks and an unplanned sidestepping task. Thirteen elite female team sport athletes completed a series of non-contact single-leg drop landings, single-leg countermovement jumps, single-leg jump landings and unplanned sidestepping in a randomized counterbalanced design. Three dimensional kinematics (250 Hz) and ground reaction force (2,000 Hz) data with a participant specific lower limb skeletal model were used to calculate and compare hip, knee and ankle joint kinematics, peak joint moments, instantaneous joint power and joint work during the weight acceptance phase of each sporting task (α=0...
June 14, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29901788/somatotopic-mapping-of-the-developing-sensorimotor-cortex-in-the-preterm-human-brain
#4
S Dall'Orso, J Steinweg, A G Allievi, A D Edwards, E Burdet, T Arichi
In the mature mammalian brain, the primary somatosensory and motor cortices are known to be spatially organized such that neural activity relating to specific body parts can be somatopically mapped onto an anatomical "homunculus". This organization creates an internal body representation which is fundamental for precise motor control, spatial awareness and social interaction. Although it is unknown when this organization develops in humans, animal studies suggest that it may emerge even before the time of normal birth...
July 1, 2018: Cerebral Cortex
https://www.readbyqxmd.com/read/29895236/effect-of-compression-garments-on-the-development-of-delayed-onset-muscle-soreness-a-multimodal-approach-using-contrast-enhanced-ultrasound-and-acoustic-radiation-force-impulse-elastography
#5
Rafael Heiss, Marion Kellermann, Bernd Swoboda, Casper Grim, Matthias S May, Wolfgang Wuest, Michael Uder, Armin M Nagel, Thilo Hotfiel
Study Design Controlled laboratory study with repeated measures. Background Delayed-onset muscle soreness (DOMS) is one of the most common reasons for impaired muscle performance in sports. However, little consensus exists regarding which treatments may be most effective and the underlying mechanisms are poorly understood. Objectives To investigate the influence of compression garments on the development of DOMS, focusing on changes in muscle perfusion and muscle stiffness. Methods Muscle perfusion and stiffness, calf circumference, muscle soreness, passive ankle dorsiflexion, and creatine kinase levels were assessed on participants before (baseline) a DOMS-inducing eccentric calf exercise intervention and 60 h later (follow-up)...
June 12, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29893031/human-primary-cd34-cells-transplantation-for-critical-limb-ischemia
#6
Weishuai Lian, Xiaoxiao Hu, Long Pan, Shilong Han, Chuanwu Cao, Zhongzhi Jia, Maoquan Li
BACKGROUND: The goal of this study was to characterize the properties of human CD34+ cells in culture and investigate the feasibility and efficacy of CD34+ transplantation in a mouse model of limb ischemia and in patients with no-option critical limb ischemia. METHODS: Human CD34+ cells isolated from peripheral blood and grown in culture for up to four passages stained positively for the surface markers CD34 and CD133 and showed high viability after cryopreservation and recovery...
June 11, 2018: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29891469/acceptability-of-a-mobile-clinical-decision-tool-among-emergency-department-clinicians-development-and-evaluation-of-the-ottawa-rules-app
#7
Michelle Paradis, Ian Stiell, Katherine M Atkinson, Julien Guerinet, Yulric Sequeira, Laura Salter, Alan J Forster, Malia Sq Murphy, Kumanan Wilson
BACKGROUND: The Ottawa Ankle Rules, Ottawa Knee Rule, and Canadian C-Spine Rule-together known as The Ottawa Rules-are a set of internationally validated clinical decision rules developed to decrease unnecessary diagnostic imaging in the emergency department. In this study, we sought to develop and evaluate the use of a mobile app version of The Ottawa Rules. OBJECTIVE: The primary objective of this study was to determine acceptability of The Ottawa Rules app among emergency department clinicians...
June 11, 2018: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/29890932/biomechanical-analysis-of-walking-gait-when-simulating-the-use-of-an-ilizarov-external-fixator
#8
Robin B Layton, Todd D Stewart, Paul Harwood, Neil Messenger
The Ilizarov frame is an external fixation device, primarily used for the treatment of complex fractures. The authors postulate that the size and weight of the frame may lead to biomechanical adaptations to gait, independent to any injury. Temporospatial characteristics, kinetics and kinematics were assessed when simulating the use of an Ilizarov frame. Fifteen healthy participants performed walking trials, with and without the simulated frame. Significant changes to temporospatial characteristics were identified, with a decreased mean walking speed (with: 1...
June 2018: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/29890893/anatomic-reconstruction-of-anterior-talofibular-ligament-with-tibial-tuberosity-patellar-tendon-autograft-for-chronic-lateral-ankle-instability
#9
Can Chen, Hongbin Lu, Jianzhong Hu, Xuqiang Qiu, Xiong Li, Deyi Sun, Jin Qu, Tao Zhang, Daqi Xu
INTRODUCTION: Anatomic repair of the anterior talofibular ligament (ATFL) is challenging when the local ligamentous tissue is severely attenuated. Anatomic reconstruction of the ATFL with tibial tuberosity-patellar tendon (TT-PT) autograft is a feasible choice that can avoid the complicated tendon-bone healing and restore ankle stability. MATERIALS AND METHODS: From 2009 to 2015, 31 chronic lateral ankle instability (CLAI) patients (31 ankles), who had a serious injury on the ATFL only, were treated with anatomic reconstruction of ATFL with TT-PT...
May 2018: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/29887635/a-modified-brostr%C3%A3-m-repair-with-transosseous-fixation-for-chronic-ankle-instability-a-midterm-followup-study-in-soldiers
#10
Pei-Wei Weng, Chih-Yu Chen, Yang-Hwei Tsuang, Jui-Sheng Sun, Chian-Her Lee, Cheng-Kung Cheng
Background: Various surgical techniques are available to reduce chronic instability of the lateral ankle ligament complex. The most effective method for these procedures remains controversial. This report presents a surgical technique that is similar to the Broström procedure and uses a modified, nonaugmented repair technique. Materials and Methods: 38 soldiers with a history of chronic lateral ankle instability and poor ankle function underwent plication of the anterior talofibular ligament-lateral capsule complex with transosseous fixation of the calcaneofibular ligament through a fibular bone tunnel between 2004 and 2007...
May 2018: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/29887629/surgical-treatment-of-posteromedial-talus-fractures-technique-description-and-results-of-10-cases
#11
Michael Swords, John Shank, Stephen Benirschke
Background: The aim of this study is to describe a surgical technique for successful treatment of posteromedial talar body fractures and establish treatment recommendations for fractures of the posterior aspect of the talus. Materials and Methods: Ten patients treated operatively for a posteromedial talar body fractures entering both the subtalar and ankle articulations with a minimum of 1-year followup were identified from a trauma database. Age, mechanism of injury, associated injuries, time to surgery, complications, the range of motion, secondary procedures, and need for arthrodesis were evaluated...
May 2018: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/29887628/management-of-talar-body-fractures
#12
S R Sundararajan, Abdul Azeem Badurudeen, R Ramakanth, Shanmuganathan Rajasekaran
Fractures of talar body are uncommon injuries often associated with fractures of other long bones and in polytraumatized patients. The integrity of the talus is essential for the normal function of the ankle, subtalar, and midtarsal joints. The relative infrequency of this injury limits the number of studies available to guide treatment. They occur as a result of high-velocity trauma and are therefore associated with considerable soft tissue damage. Axial compression with supination or pronation is the common mechanism of injury...
May 2018: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/29887626/crush-fractures-of-the-anterior-end-of-calcaneum
#13
Mandeep Dhillon, Ankit Khurana, Sharad Prabhakar, Siddharth Sharma
The anterior end of calcaneum fractures can present as inversion injuries, stress fractures or as a part of displaced intraarticular calcaneum fracture. Rarely, these may occur due to abduction injury from a laterally directed force that crushes the anterior calcaneum instead of the cuboid, and has associated medial column injuries which are unrecognized. Compression fractures of the anterior calcaneum are actually lateral column shortening injuries with poor outcomes in the few published reports. We describe three patients with compression fractures of the anterior end of calcaneum resulting from foot abduction injury which were managed by reduction and column length restoration via distraction by external fixator...
May 2018: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/29886432/clinical-assessment-of-acute-lateral-ankle-sprain-injuries-roast-2019-consensus-statement-and-recommendations-of-the-international-ankle-consortium
#14
Eamonn Delahunt, Chris M Bleakley, Daniela S Bossard, Brian M Caulfield, Carrie L Docherty, Cailbhe Doherty, François Fourchet, Daniel T Fong, Jay Hertel, Claire E Hiller, Thomas W Kaminski, Patrick O McKeon, Kathryn M Refshauge, Alexandria Remus, Evert Verhagen, Bill T Vicenzino, Erik A Wikstrom, Phillip A Gribble
Lateral ankle sprain injury is the most common musculoskeletal injury incurred by individuals who participate in sports and recreational physical activities. Following initial injury, a high proportion of individuals develop long-term injury-associated symptoms and chronic ankle instability. The development of chronic ankle instability is consequent on the interaction of mechanical and sensorimotor insufficiencies/impairments that manifest following acute lateral ankle sprain injury. To reduce the propensity for developing chronic ankle instability, clinical assessments should evaluate whether patients in the acute phase following lateral ankle sprain injury exhibit any mechanical and/or sensorimotor impairments...
June 9, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29885906/characteristics-of-patients-with-ankle-sprain-presenting-to-an-emergency-department-in-the-south-of-england-uk-a-seven-month-review
#15
Saed A Al Bimani, Lucy S Gates, Martin Warner, Sean Ewings, Robert Crouch, Catherine Bowen
INTRODUCTION: There is lack of evidence about ankle sprain patients presenting to emergency department (ED) in the UK. The study aim was to determine prevalence, demographic and clinical characteristics of patients attending to one ED. Knowing those characteristics may help setting prevention strategies and inform effective clinical practice. METHODS: A retrospective review of records from patients' database system was conducted between May and November 2015 (inclusive)...
June 6, 2018: International Emergency Nursing
https://www.readbyqxmd.com/read/29884595/the-incidence-and-burden-of-time-loss-injury-in-australian-men-s-sub-elite-football-soccer-a-single-season-prospective-cohort-study
#16
Matthew Whalan, Ric Lovell, Robert McCunn, John A Sampson
OBJECTIVES: This study aimed to conduct the first injury surveillance study in sub-elite football in Australia, using methods from the international football consensus statement. DESIGN: Descriptive epidemiological study. METHODS: 1049 sub-elite football players were recruited during the 2016 season. Injury and exposure data was collected by trained Primary Data Collectors (PDCs) who attended every training session and match. RESULTS: There were 1041 time loss injuries recorded during 52,127h of exposure resulting in an injury incidence rate of 20 injuries/1000h (95% Confidence Interval [CI]: 15...
May 31, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29880320/characteristics-of-and-factors-contributing-to-immediate-postoperative-pain-after-ankle-fracture-surgery
#17
Sung Hun Won, Chin Youb Chung, Moon Seok Park, Seung Yeol Lee, You Sung Suh, Kyoung Min Lee
To build an appropriate strategy of pain management after ankle fracture surgery, surgeons need to know the characteristics of postoperative ankle pain and its contributing factors. The aim of the present study was to investigate the maximum pain period after ankle fracture surgery and the factors affecting postoperative pain using a linear mixed model when patient-controlled analgesia (PCA) was used as a basic modality. A total of 219 adult patients (108 males and 111 females; mean age 51.2 ± 15.9 years) who had undergone operative treatment for ankle fractures were included...
June 4, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29877919/concomitant-proximal-and-distal-tibiofibular-joint-dislocation-associated-with-a-tibial-shaft-fracture
#18
John S Hwang, Michael S Sirkin, Zachary Gala, Mark Adams, Mark C Reilly
An association exists between tibial shaft fractures and ankle injuries. In addition, although uncommon, an association between tibial shaft fractures and proximal tibiofibular dislocations has also been established. A review of the previous literature resulted in one case report of a complete proximal and distal tibiofibular joint dislocation without fracture of the tibia or fibula. Here, we discuss a case of a complete proximal and distal tibiofibular syndesmotic complex dislocation associated with a tibial shaft fracture...
June 5, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29876500/triple-vessel-injury-with-single-penetrating-trauma-to-the-lower-extremity-requiring-popliteal-to-posterior-tibial-artery-bypass
#19
Jaspreet Sandhu, Charles La Punzina, Ravi Kothuru
This is a case report describing the delayed presentation of injury to all three lower extremity infrapopliteal arteries after a 34 year old male sustained multiple gunshot wounds, including one to his left lower extremity. As part of his initial assessment, ankle brachial index was performed and was found to be abnormal. Further work up for this was delayed due to need for emergent trauma laparotomy. After this procedure, more detailed evaluation with CT angiography of the extremity injury was performed...
June 2018: Trauma Case Reports
https://www.readbyqxmd.com/read/29876496/preserving-the-lower-extremity-after-severe-devolving-injuries-to-meet-the-patient-s-demand-in-two-cases-limb-salvage-after-degloving-injury
#20
Katja Boernert, Gili Ganot, Martin Keith Ulrich, Lukas Daniel Iselin
Background: Severe injuries of the foot are a life-changing event. They often lead to some form of disability, and are therefore very challenging to manage. Injuries of the extremity, especially the foot and ankle, are distinct predictors of poor outcome in polytrauma patients.Degloving injuries of the lower extremity involving the heel and foot are a rare and unique subgroup of severe foot injuries.Treating degloving injuries is challenging. The surgical approach has to take into consideration both osseous and massive soft tissue injuries aiming to preserve the unique architecture of the lower limb and reconstruct the soft tissue...
June 2018: Trauma Case Reports
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