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https://www.readbyqxmd.com/read/28321479/novel-anatomical-reconstruction-of-distal-tibiofibular-ligaments-restores-syndesmotic-biomechanics
#1
Jian Che, Chunbao Li, Zhipeng Gao, Wei Qi, Binping Ji, Yujie Liu, Ming Han Lincoln Liow
PURPOSE: To date, there is a paucity of literature on syndesmotic reconstruction techniques that restore both anatomic stability and physiologic syndesmotic biomechanics. In this cadaveric study, (1) a novel syndesmotic reconstruction surgical technique using autogenous peroneus brevis tendon was described and (2) the biomechanical properties of the reconstruction was investigated. METHODS: Ten fresh-frozen lower extremities were used in this study. Reconstruction of the anterior and posterior, as well as the interosseous tibiofibular ligaments was performed with a halved peroneus brevis tendon...
March 20, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28294565/ankle-pathologies-in-patients-with-inflammatory-rheumatic-diseases-a-clinical-and-ultrasonographic-study
#2
Halil Harman, İbrahim Tekeoğlu
AIM: We determined ankle pathologies in patients with different types of inflammatory rheumatic diseases using high-resolution ultrasonographic (US) images, and compared the findings among the different patient groups. METHODS: The study included 142 randomly selected inflammatory rheumatic disease patients with clinically swollen or painful ankle joints; 69 patients had rheumatoid arthritis (RA), 58 had spondyloarthropathies (SpA) and 15 had gout. Ankle assessment on US included all of the important anatomical structures...
March 12, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/28272925/a-biomechanical-comparison-of-allograft-tendons-for-ligament-reconstruction
#3
Jeremiah E Palmer, Joseph P Russell, Jason Grieshober, Abigail Iacangelo, Benjamin A Ellison, T Dylan Lease, Hyunchul Kim, R Frank Henn, Adam H Hsieh
BACKGROUND: Allograft tendons are frequently used for ligament reconstruction about the knee, but they entail availability and cost challenges. The identification of other tissues that demonstrate equivalent performance to preferred tendons would improve limitations. Hypothesis/Purpose: We compared the biomechanical properties of 4 soft tissue allograft tendons: tibialis anterior (TA), tibialis posterior (TP), peroneus longus (PL), and semitendinosus (ST). We hypothesized that allograft properties would be similar when standardized by the looped diameter...
March 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28271933/peroneus-quartus-muscle-autografta-novel-approach-to-the-repair-of-a-split-peroneus-brevis-tendon-tear
#4
Scott Carlis, Daniel Pollack, Shaylyn McTeague, Greg Khaimov
This case report highlights a novel approach to strengthening the repair of a split peroneus brevis tendon tear with a peroneus quartus muscle autograft. We describe a 51-year-old woman with a longitudinal split tear of the peroneus brevis tendon confirmed by magnetic resonance imaging. Intraoperatively, a peroneus quartus muscle was appreciated, resected, and used as an autograft in the repair of the peroneus brevis tendon. Use of a peroneus quartus muscle as an autograft in peroneal tendon repair has not been documented in the literature, to our knowledge...
January 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28251615/stiffness-mapping-of-lower-leg-muscles-during-passive-dorsiflexion
#5
Guillaume Le Sant, Antoine Nordez, Ricardo Andrade, François Hug, Sandro Freitas, Raphaël Gross
It is challenging to differentiate the mechanical properties of synergist muscles in vivo. Shear wave elastography can be used to quantify the shear modulus (i.e. an index of stiffness) of a specific muscle. This study assessed the passive behavior of lower leg muscles during passive dorsiflexion performed with the knee fully extended (experiment 1, n = 22) or with the knee flexed at 90° (experiment 2, n = 20). The shear modulus measurements were repeated twice during experiment 1 to assess the inter-day reliability...
March 2, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28241725/-minimally-invasive-tarsal-sinus-incision-combined-with-manipulative-reduction-and-internal-fixation-for-calcaneal-fractures-of-sanders-type%C3%A2-and-%C3%A2
#6
M Chen, K Deng, W H Zeng, J J Zeng, Q S Zhong, Z M Han
Objective: To evaluate the method and curative effect of plate fixation or percutaneous screws for the treatment of calcaneal fractures of Sanders type Ⅱ and Ⅲ via a minimally invasive sinus tarsi incision combined with a variety of manipulative reduction methods. Methods: Twenty-one patients with closed calcaneal fractures treated in the Department of Orthopedics, the First Affiliated Hospital of Nanchang University from January 2014 to January 2016 were collected. There were 15 men and 6 women, with an average age of 39...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28220261/does-a-foot-drop-implant-improve-kinetic-and-kinematic-parameters-in-the-foot-and-ankle
#7
Kiriakos Daniilidis, Eike Jakubowitz, Anna Thomann, Sarah Ettinger, Christina Stukenborg-Colsman, Daiwei Yao
INTRODUCTION: Unlike the drop foot therapy with ortheses, the therapeutic effect of an implantable peroneus nerve stimulator (iPNS) is not well described. IPNS is a dynamic therapy option which is placed directly to the motoric part of the peroneal nerve and evokes a dorsiflexion of the paralysed foot. This retrospective study evaluates the kinematics and kinetics in drop foot patients who were treated with an iPNS. MATERIALS AND METHODS: 18 subjects (mean age 51...
February 20, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28214465/acute-and-chronic-lateral-ankle-instability-diagnosis-management-and-new-concepts
#8
REVIEW
Rachel Shakked, Steven Sheskier
Lateral ankle instability is a common entity that can result in degenerative arthritis if left untreated. Acute ligament injuries should primarily be treated nonoperatively with a course of physical therapy and functional bracing. Chronic ankle instability is defined as mechanical or functional and can be diagnosed using a combination of history, physical examination, stress radiographs, and magnetic resonance imaging. After failure of nonoperative treatment, surgical treatment with anatomic ligament repair and inferior extensor retinaculum augmentation has the best clinical outcomes...
January 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/28207961/muscle-stiffness-of-posterior-lower-leg-in-runners-with-a-history-of-medial-tibial-stress-syndrome
#9
Junya Saeki, Masatoshi Nakamura, Sayaka Nakao, Kosuke Fujita, Ko Yanase, Noriaki Ichihashi
Previous history of medial tibial stress syndrome (MTSS) is a risk factor for MTSS relapse, which suggests that there might be some physical factors that are related to MTSS development in runners with a history of MTSS. The relationship between MTSS and muscle stiffness can be assessed in a cross-sectional study that measures muscle stiffness in subjects with a history of MTSS, who do not have pain at the time of measurement, and in those without a history of MTSS. The purpose of this study was to compare the shear elastic modulus, which is an index of muscle stiffness, of all posterior lower leg muscles of subjects with a history of MTSS and those with no history and investigate which muscles could be related to MTSS...
February 16, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28203511/a-retrospective-look-at-integrating-a-novel-regenerative-medicine-approach-in-plastic-limb-reconstruction
#10
Edgardo R Rodriguez Collazo, Christopher R Rathbone, Brian R Barnes
Full-thickness wounds that have rendered patients candidates for amputation may require techniques that may include a combinatorial approach above traditional standard of care. The purpose of this retrospective study was to evaluate the effectiveness of an innovative approach whereby several therapies were combined to avoid amputation. Patients with full-thickness wounds who were previously recommended for amputation and were treated with the combinatorial approach of muscle flap reconstruction and concentrated bone marrow aspirate, platelet-rich plasma, INTEGRA Wound matrix, vacuum-assisted closure, and split-thickness skin grafts were assessed retrospectively...
January 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28197674/role-of-vision-in-sighted-and-blind-soccer-players-in-adapting-to-an-unstable-balance-task
#11
María Campayo-Piernas, Carla Caballero, David Barbado, Raúl Reina
This study tested whether a compensatory hypothesis exists on postural control during standing unstable balance tasks comparing blind soccer players (n = 7) to sighted soccer players (n = 15) and sighted sedentary individuals (n = 6). All subjects performed a pre-test, a training of ten practice trials on a single day, and a post-test balance test. All tests were performed on an unstable surface placed on a force platform and under closed-eyes conditions, and a final test was performed with open eyes...
April 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28176597/the-risk-of-iatrogenic-injury-to-anterior-tibial-artery-variations-during-tibial-nail-distal-interlocking
#12
Nathan J Fanter, Sandra E Inouye, Christopher W Beiser
INTRODUCTION: Tibial intramedullary nailing remains a common tibial fracture fixation method. Tibial nailing indications continue to expand. Neurovascular complications from tibial nailing have been described; however, the proximity of distal tibial locking bolts to the anterior tibial artery (ATA) variants has not. MATERIALS AND METHODS: 52 cadaveric legs were dissected identifying three common ATA variants. Each ATA variant received an intraluminal wire to facilitate fluoroscopic identification...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28174473/calf-muscle-activity-alteration-with-foot-orthoses-insertion-during-walking-measured-by-fine-wire-electromyography
#13
Hiroshi Akuzawa, Atsushi Imai, Satoshi Iizuka, Naoto Matsunaga, Koji Kaneoka
[Purpose] The purpose of the study was to assess the muscle activity change of the tibialis posterior, flexor digitorum longus, and peroneus longus during gait with orthoses. [Subjects and Methods] Sixteen healthy males participated in this study. Activity of each muscle was measured by using fine-wire and surface electromyography. Gait task was performed by the participants barefoot, with footwear and with orthoses. The electromyography data from a stance phase of each gait trial were used for analysis. The stance phase was divided into contact, midstance, and propulsion phases...
December 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28137401/secondary-hyperalgesia-occurs-regardless-of-unilateral-or-bilateral-knee-osteoarthritis-involvement-in-individuals-with-mild-or-moderate-level
#14
Vanessa Martins Pereira Silva Moreira, Saulo Delfino Barboza, Juliana Borges Oliveira, Janser Moura Pereira, Valdeci Carlos Dionisio
BACKGROUND: Secondary hyperalgesia in individuals with less severe levels of knee osteoarthritis remains unclear. The objective of this study was to measure the pressure pain threshold of individuals with mild or moderate knee osteoarthritis and compare with no osteoarthritis. METHODS: Ten healthy controls and 30 individuals with mild or moderate knee osteoarthritis divided into two groups (unilateral and bilateral involvement) were included. Dermatomes in lumbar levels (L1, L2, L3, L4 and L5) and sacral level (S1 and S2), myotomes (vastus medialis, vastus lateralis, rectus femoris, adductor longus, tibialis anterior, peroneus longus, iliacus, quadratus lumborum, and popliteus muscles), and sclerotomes in lumbar levels (L1-L2, L2-L3, L3-L4, L4-L5 supraspinous ligaments), over the L5-S1 and S1-S2 sacral areas, pes anserinus bursae, and at the patellar tendon pressure pain threshold were assessed and compared between individuals with and without knee osteoarthritis...
January 2017: Revista Brasileira de Reumatologia
https://www.readbyqxmd.com/read/28128773/hip-and-knee-effects-after-implantation-of-a-drop-foot-stimulator
#15
Daiwei Yao, Matthias Lahner, Eike Jakubowitz, Anna Thomann, Sarah Ettinger, Yvonne Noll, Christina Stukenborg-Colsman, Kiriakos Daniilidis
BACKGROUND: An active ankle dorsiflexion is essential for a proper gait pattern. If there is a failure of the foot lifting, considerable impairments occur. The therapeutic effect of an implantable peroneus nerve stimulator (iPNS) for the ankle dorsiflexion is already approved by recent studies. However, possible affection for knee and hip motion after implantation of an iPNS is not well described. OBJECTIVE: The objective of this retrospective study was to examine with a patient cohort whether the use of iPNS induces a lower-extremity flexion withdrawal response in the form of an increased knee and hip flexion during swing phase...
January 20, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28112555/incidence-and-association-of-ct-findings-of-ankle-tendon-injuries-in-patients-presenting-with-ankle-and-hindfoot-fractures
#16
Ashkahn Golshani, Liang Zhu, Chunyan Cai, Nicholas M Beckmann
OBJECTIVE: Tendon injuries are a commonly encountered finding in ankle CT examinations performed for fractures. This study was designed to identify the incidence and associations of tendon injuries in ankle CT examinations performed for fractures. MATERIALS AND METHODS: A retrospective review was performed of 410 patients who underwent ankle CT during a 6-year period. RESULTS: Tendon injuries were common, seen in 25% of all ankle CT examinations...
February 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28110390/operative-treatment-of-lateral-ligament-instability
#17
REVIEW
Rachel J Shakked, Sydney Karnovsky, Mark C Drakos
PURPOSE OF REVIEW: Ankle sprains, which account for 40% of sports injuries in the USA, can lead to chronic ankle instability. Chronic ankle instability can be classified as functional, mechanical, or a combination of both and is diagnosed using a combination of a physical exam, an MRI, and stress radiographs. This review focuses on different approaches to treatment, including non-operative and operative techniques, of chronic ankle instability, including reviewing traditional procedures as well as more novel and newer techniques...
March 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28063387/effects-of-chronic-ankle-instability-on-kinetics-kinematics-and-muscle-activity-during-walking-and-running-a-systematic-review
#18
REVIEW
Gabriel Moisan, Martin Descarreaux, Vincent Cantin
The aim of this study is to systematically review and appraise studies assessing the effects of chronic ankle instability (CAI) on kinetics, kinematics and muscle activity during walking and running. The primary search was conducted in PubMed, Embase, CINAHL, AMED and SPORTDiscus. Only studies that compared participants with CAI with healthy participants and assessed kinetics, kinematics or muscle activity during walking or running were included. The risk of bias assessment was conducted using a modified version of the Quality Index checklist...
December 29, 2016: Gait & Posture
https://www.readbyqxmd.com/read/28058662/os-peroneum-imaging-normal-appearance-and-pathological-findings
#19
REVIEW
Stefano Bianchi, Chandra Bortolotto, Ferdinando Draghi
The os peroneum (OP) is a small sesamoid bone located inside the peroneus longus tendon (PLT), close to the cuboid. The OP can be the cause of pain and can be associated with lesions of the PLT. OP involvement in PLT disorders is frequently misdiagnosed by radiologists. Painful os peroneum syndrome (POPS) refers to a variety of conditions presenting with pain localized on the lateral aspect of the cuboid area. The syndrome can be observed as a consequence of local acute trauma such as ankle sprains or chronic overuse...
February 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28052415/arthroscopic-approach-and-intra-articular-anatomy-of-the-dorsal-and-plantar-synovial-compartments-of-the-bovine-tarsocrural-joint
#20
Hélène Lardé, Sylvain Nichols, Marie Babkine, André Desrochers
OBJECTIVE: To determine arthroscopic approaches to the dorsal and plantar synovial compartments of the tarsocrural joint in adult cattle, and to describe the arthroscopic intra-articular anatomy from each approach. STUDY DESIGN: Ex vivo study. ANIMALS: Fresh adult bovine cadavers (n = 7). METHODS: Two tarsocrural joint were injected with latex to determine arthroscopic portal locations and arthroscopy of the tarsocrural joint of 12 tarsi was performed...
January 2017: Veterinary Surgery: VS
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