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https://www.readbyqxmd.com/read/28109535/resistance-training-minimizes-the-biomechanical-effects-of-aging-in-three-different-rat-tendons
#1
Rita de Cássia Marqueti, Jeeser Alves Almeida, Wilson Romero Nakagaki, Vinicius Guzzoni, Fábio Boghi, Adriana Renner, Paulo Eugênio Silva, João Luiz Quagliotti Durigan, Heloisa Sobreiro Selistre-de-Araújo
Aging process is characterized by a decline in the organism functionality, especially in the decrease of muscle function, which also affects tendons. On the other hand, the resistance training (RT) has been used as an important tool to increase muscle and tendineous function during aging. Thus, this study aim has been to verify the effects of RT on the biomechanical properties of three different aged rat tendons. For this purpose, 20 wistar rats have been divided into four groups (5 rats per group): young sedentary (YS), trained (YT), old sedentary (OS) and old trained (OT)...
December 29, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/28107121/a-case-based-approach-to-evaluate-the-potential-risks-associated-with-fluoroquinolones-and-steroids
#2
Timothy Nguyen, Karin Gelband
Fluoroquinolones (FQs) are a frequently prescribed class of antibacterial agents. FQs are widely used but may carry serious side effects particularly pronounced in older adults, and the Food and Drug Administration recently suggested FQs should not be routinely used in certain conditions if alternative options are available. Research has demonstrated that the risk of tendinitis and tendon rupture associated with FQs is one of the highest in older adults who are concurrently treated with steroids. Health care providers and pharmacists involved in the treatment of older adults should be aware of this potential drug interaction, which may lead to serious side effects and safety concerns...
November 1, 2016: Consultant Pharmacist: the Journal of the American Society of Consultant Pharmacists
https://www.readbyqxmd.com/read/28100997/a-rare-cause-of-dysphagia-to-remember-calcific-tendinitis-of-the-longus-colli-muscle
#3
Dominic M Colella, Fiorela Calderón Sandoval, David W Powers, Nimal Patel, Javier Sobrado
Longus colli tendinitis (LCT) is an acute inflammatory condition with symptoms typically consisting of acute neck pain and stiffness with or without dysphagia. Once more severe etiologies for these symptoms are ruled out, this self-limiting condition usually resolves spontaneously with nonsteroidal anti-inflammatory drugs and corticosteroids. We present a case of LCT that presented as acute neck pain, dysphagia, and odynophagia that rapidly resolved once diagnosed and treated with anti-inflammatory agents. Though exceedingly rare, LCT must be considered in the differential diagnosis of acute neck pain, dysphagia, and odynophagia when more common etiologies do not correlate with the clinical presentation...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/28078874/tendonitis-of-the-rotator-cuff-treated-with-extracorporeal-shock-wave-therapy-radiographic-monitoring-to-identify-prognostic-factors-for-disintegration
#4
A Notarnicola, L Moretti, G Maccagnano, S Tafuri, B Moretti
Extracorporeal shock wave therapy (ESWT) is widely used for calcific tendonitis of the shoulder. The initial rationale for this therapy was to break the calcification, but this effect does not always occur. To date, we do not know how calcifications evolve or why they may be less responsive to the action of the shock waves. One hundred and seventy-four shoulders with calcific tendinitis were prospectively evaluated before and after ESWT, using the radiographic classifications according to Gartner and Heyer, to Bosworth and to Molè...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28058662/os-peroneum-imaging-normal-appearance-and-pathological-findings
#5
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...
January 5, 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28050533/total-ruptures-of-the-extensor-apparatus-of-the-knee
#6
Diogo Moura, Fernando Fonseca
OBJECTIVE: This was a retrospective case-control study on total ruptures of the extensor apparatus of the knee, aimed to compare patella fractures with tendinous ruptures. METHODS: The sample included 190 patients and 198 total ruptures of the knee extensor apparatus. All patients were evaluated by the same examiner after a minimum one-year follow-up. RESULTS: Tendinous ruptures occurred most frequently in men, in younger patients, and had better clinical and functional outcomes when compared with patella fractures; however, the former presented higher levels of thigh atrophy...
November 2016: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28050354/a-case-report-on-unilateral-accessory-humeral-head-of-pronator-teres
#7
Suman Verma, Sulochana Sakthivel
The presence of an accessory muscle in the forearm is likely to compress on the neurovascular structures and has clinical implications. We encountered an accessory humeral head of pronator teres during routine dissection of left upper limb in a male cadaver. The accessory head had fleshy origin from medial supracondylar line, medial intermuscular septum and brachialis fascia. It coursed downwards in the cubital region covering brachial artery and median nerve. Further, it narrowed becoming mostly tendinous and joined with the humeral head of pronator teres...
November 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28044199/muscle-fascicle-shortening-behaviour-of-vastus-lateralis-during-a-maximal-force-velocity-test
#8
Hugo Hauraix, Sylvain Dorel, Giuseppe Rabita, Gaël Guilhem, Antoine Nordez
PURPOSE: Muscle fascicles-tendon interactions are the main determinant in production of high joint velocity. Currently, no study has investigated the muscle fascicles behaviour of knee extensor muscles until the highest reachable velocity (e.g., unloaded knee extension). We aimed to track the changes in vastus lateralis fascicles length during knee extensions to quantify muscle fascicles and tendinous tissues contributions to muscle-tendon unit shortening and to determine maximal muscle fascicles shortening velocity...
January 3, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28043853/the-biology-of-rotator-cuff-healing
#9
REVIEW
M-A Zumstein, A Lädermann, S Raniga, M-O Schär
Despite advances in surgical reconstruction of chronic rotator cuff (RC) tears leading to improved clinical outcomes, failure rates of 13-94% have been reported. Reasons for this rather high failure rate include compromised healing at the bone-tendon interface, as well as the musculo-tendinous changes that occur after RC tears, namely retraction and muscle atrophy, as well as fatty infiltration. Significant research efforts have focused on gaining a better understanding of these pathological changes in order to design effective therapeutic solutions...
December 30, 2016: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28043758/-ebstein-s-like-anomaly-ventricular-double-inlet-a-rare-association
#10
Luis Muñoz Castellanos, Magdalena Kuri Nivon
INTRODUCTION AND OBJECTIVES: The association of univentricular heart with double inlet and Ebstein's "like" anomaly of the common atrioventricular valve is extremely rare. METHODS: Two hearts with this association are described with the segmental sequential system which determine the atrial situs, the types of atrioventricular and ventriculoarterial connections and associated anomalies. RESULTS: Both hearts had atrial situs solitus, and a univentricular heart with common atrioventricular valve, a foramen primum and double outlet ventricle with normal crossed great arteries...
December 30, 2016: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/28027872/the-effect-of-platelet-rich-plasma-on-achilles-tendon-healing-in-a-rabbit-model
#11
Masaki Takamura, Toshito Yasuda, Atsushi Nakano, Hiroaki Shima, Masashi Neo
OBJECTIVE: The aim of the present study was to evaluate the effects of PRP on Achilles tendon healing in rabbits during the inflammatory, proliferative, and remodeling phases by histological examination and quantitative assessments. METHODS: Fifty mature male Japanese albino rabbits with severed Achilles tendons were divided into two equal groups and treated with platelet-rich plasma (PRP) or left untreated. Tendon tissue was harvested at 1, 2, 3, 4, and 6 weeks after treatment, and sections were stained with hematoxylin-eosin and monoclonal antibodies against CD31 and type I collagen...
December 24, 2016: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28003562/a-novel-diffusion-tensor-mri-approach-for-skeletal-muscle-fascicle-length-measurements
#12
Jos Oudeman, Valentina Mazzoli, Marco A Marra, Klaas Nicolay, Mario Maas, Nico Verdonschot, Andre M Sprengers, Aart J Nederveen, Gustav J Strijkers, Martijn Froeling
Musculoskeletal (dys-)function relies for a large part on muscle architecture which can be obtained using Diffusion-Tensor MRI (DT-MRI) and fiber tractography. However, reconstructed tracts often continue along the tendon or aponeurosis when using conventional methods, thus overestimating fascicle lengths. In this study, we propose a new method for semiautomatic segmentation of tendinous tissue using tract density (TD). We investigated the feasibility and repeatability of this method to quantify the mean fascicle length per muscle...
December 2016: Physiological Reports
https://www.readbyqxmd.com/read/27937671/is-there-really-an-eccentric-action-of-the-hamstrings-during-the-swing-phase-of-high-speed-running-part-i-a-critical-review-of-the-literature
#13
Bas Van Hooren, Frans Bosch
It is widely assumed that there is an eccentric hamstring muscle fibre action during the swing phase of high-speed running. However, animal and modelling studies in humans show that the increasing distance between musculotendinous attachment points during forward swing is primarily due to passive lengthening associated with the take-up of muscle slack. Later in the swing phase, the contractile element (CE) maintains a near isometric action while the series elastic (tendinous) element first stretches as the knee extends, and then recoils causing the swing leg to forcefully retract prior to ground contact...
December 12, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27909786/calcific-tendinopathy-of-the-shoulder-with-intraosseous-extension-outcomes-of-ultrasound-guided-percutaneous-irrigation
#14
Michail E Klontzas, Evangelia E Vassalou, Apostolos H Karantanas
OBJECTIVES: Rotator cuff calcific tendinopathy (RCCT) with intraosseous extension is a rare complication of tendinous and peritendinous involvement. The purpose of our study is to evaluate the outcome of ultrasound-guided percutaneous irrigation of calcific tendinopathy (US-PICT) in patients with intraosseous involvement. MATERIALS AND METHODS: From January 2011 to June 2014, patients with a clinical and imaging diagnosis of RCCT were prospectively categorised in two groups based on imaging findings: group A (10 patients) with intraosseous RCCT and group B (control group 35 patients) without osseous involvement...
February 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/27904957/neck-pain-and-acute-dysphagia
#15
João Simões, José Romão, Anita Cunha, Sofia Paiva, António Miguéis
The acute tendinitis of the longus colli muscle is an unusual diagnosis in the cases of acute dysphagia with cervical pain. Is a self-limiting condition caused by abnormal calcium hydroxyapatite deposition in the prevertebral space and can cause pharyngeal swelling with impaired swallow. It is absolutely critical to make the differential diagnosis with deep cervical infections in order to avoid invasive treatments.
November 30, 2016: Dysphagia
https://www.readbyqxmd.com/read/27904212/functional-outcome-after-primary-hemiarthroplasty-in-three-or-four-part-proximal-humerus-fracture-a-short-term-followup
#16
Saurabh Agarwal, Ashish Rana, Rajeev K Sharma
BACKGROUND: Several modalities of treatment are being used for the management of proximal humerus fractures. Primary hemiarthroplasty in proximal humerus fracture is indicated in three or four part fracture or fracture dislocations. It is also indicated if fracture involves a large area of articular cartilage loss and viability of head is doubtful. We studied the functional outcome of hemiarthroplasty in comminuted proximal humerus fracture. MATERIALS AND METHODS: 29 patients of three or four part proximal humerus fractures, (according to Neer's classification) who underwent primary shoulder hemiarthroplasty were included in this retrospective study...
November 2016: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/27904023/early-embryonic-development-of-long-tendons-in-the-human-foot
#17
Masahito Yamamoto, Yasuhiro Shiraishi, Kei Kitamura, Zhe Wu Jin, Gen Murakami, Jose Francisco Rodríguez-Vázquez, Shin-Ichi Abe
To examine a common plantar tendinous plate for long flexors of the toe and fingers in human embryos, we observed sections of 10 embryos at 5-6 weeks (crown-rump length or CRL 15-21 mm). The heel or tuber of the calcaneus was underdeveloped in 3 embryos with CRL 15 mm and the talus appeared not to be piled up on the calcaneus but these two bones were arranged along the lateromedial axis. As reported in the hand, we demonstrated, in the deep side of tarsal bones, a common tendinous plate formed by a joining of the flexor halluces longus and flexor digitorum longus tendons...
2016: Okajimas Folia Anatomica Japonica
https://www.readbyqxmd.com/read/27900924/-persistent-shoulder-symptoms-in-calcific-tendinitis-clinical-and-radiological-predictors
#18
P B de Witte, R A van Adrichem, J W Selten, J Nagels, M Reijnierse, R G H H Nelissen
OBJECTIVE: We assessed the most important demographics and radiological characteristics at the time of diagnosis of rotator cuff calcific tendinitis (RCCT), and their associations with long-term clinical outcome. DESIGN: Observational study. METHOD: Baseline characteristics and treatment were evaluated in 342 patients in whom RCCT had been diagnosed. Interobserver agreement of the radiological investigations was analysed. Patients were sent a general questionnaire and 2 shoulder questionnaires, the "Western Ontario rotator cuff" (WORC) and the "Disabilities of the arm, shoulder and hand" (DASH) for evaluation of long-term clinical outcome...
2016: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/27894176/complications-and-short-term-outcomes-of-medial-opening-wedge-high-tibial-osteotomy-using-a-locking-plate-for-medial-osteoarthritis-of-the-knee
#19
Seung-Suk Seo, Ok-Gul Kim, Jin-Hyeok Seo, Do-Hoon Kim, Youn-Gu Kim, In-Seung Lee
Purpose: The purpose of this study was to investigate complications and radiologic and clinical outcomes of medial opening wedge high tibial osteotomy (MOWHTO) using a locking plate. Materials and Methods: This study reviewed 167 patients who were treated with MOWHTO using a locking plate from May 2012 to June 2014. Patients without complications were classified into group 1 and those with complications into group 2. Medical records, operative notes, and radiographs were retrospectively reviewed to identify complications...
December 1, 2016: Knee Surgery & related Research
https://www.readbyqxmd.com/read/27890438/short-term-clinical-results-of-frozen-shoulder-treated-with-shoulder-manipulation-under-ultrasound-guided-cervical-nerve-root-block-at-outpatient-setting-a-case-series
#20
Tomohiro Saito, Hideyuki Sasanuma, Yuki Iijima, Yuji Kanaya, Toshihiro Saito, Hideaki Watanabe, Ichiro Kikkawa, Katsushi Takeshita
BACKGROUND: We evaluated the short-term clinical outcomes of frozen shoulder treatment via shoulder manipulation under ultrasound-guided cervical nerve root block (MUC). METHODS: This study included frozen shoulder patients who were unresponsive to conservative therapy for at least 6 months and were then treated with MUC. Patients with a rotator cuff tear, calcifying tendinitis, osteoarthritis, or any other shoulder disorder were excluded following X-ray, ultrasound, and magnetic resonance imaging evaluation...
November 25, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
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