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https://www.readbyqxmd.com/read/28535849/calf-endurance-and-achilles-tendon-structure-in-classical-ballet-dancers
#1
Jennifer A Zellers, Katrina van Ostrand, Karin Grävare Silbernagel
Optimal lower leg function is critical for ballet dancers to meet their occupational requirements. Achilles tendon injury is particularly detrimental to ballet dancers. While standardized measures have been validated and incorporated into clinical practice for use in people with Achilles tendon injury, normative ranges specific to the dancer population have not been described. The purpose of this pilot study was to observe the performance of pre-professional ballet students and professional ballet dancers on a well-established test battery for lower leg functional performance as well as ultra-sonographic evaluation of the structure of their Achilles tendons...
June 15, 2017: Journal of Dance Medicine & Science
https://www.readbyqxmd.com/read/28530504/functional-recovery-after-rotator-cuff-repair-the-role-of-biceps-surgery
#2
Bernardo Gialanella, Francesco Grossetti, Marina Mazza, Laura Danna, Laura Comini
CONTEXT: Surgical cuff repair is indicated in full-thickness rotator cuff tear when non-operative treatment fails. Surgical cuff repair can comprehend surgery of long head of the biceps when concomitant biceps pathology is present. However, the studies executed up to now do not have yet clearly defined if additional biceps surgery affects the shoulder functionality in patients who underwent rotator cuff repair. OBJECTIVE: The aim of this study is to verify if the concomitant biceps surgery prejudices the shoulder functionality during the short-term period in rotator cuff repair patients...
May 22, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28522238/biomechanical-comparison-of-four-coupled-fixation-systems-for-acl-reconstruction-with-bone-socket-or-full-tunnel-on-the-tibial-side
#3
Edoardo Monaco, Mattia Fabbri, Riccardo Maria Lanzetti, Andrea Del Duca, Luca Labianca, Andrea Ferretti
BACKGROUND: To compare in an animal model the biomechanical properties of four coupled fixation devices currently used in ACL reconstruction. Three out of four devices used a full tibial tunnel with an interference screw, while the other one system used a tibial socket and an adjustable loop suspension device. The null hypothesis is that there are no biomechanical differences between all the techniques tested. METHODS: Thirty two femur-graft-tibia complexes were mounted on a tensile machine using bovine digital extensor tendons, porcine knees and four different fixation device combinations: After a preconditioning with a tensile load of 90N for five minutes, 1000cycles between 0 and 150N were applied to the complex before the final pulled to failure...
May 15, 2017: Knee
https://www.readbyqxmd.com/read/28514131/-treatment-of-achilles-tendon-ruptures
#4
Lior Laver, Viktor Feldman, Ezequiel Palmanovich, Eyal Yaacobi, Niv Marom, Omer Mei-Dan
Achilles tendon ruptures cause considerable morbidity and functionality reduction. There is lack of consensus regarding the best option for treatment following acute Achilles tendon rupture. Recent studies have failed to show substantial difference in outcome following conservative or operative treatment using an early active rehabilitation program. Meta-analyses have shown that conservative management has increased the risk of re-rupture, whereas operative intervention carries risks of complications related to the wound and iatrogenic nerve injury...
July 2016: Harefuah
https://www.readbyqxmd.com/read/28509763/achilles-tendon-load-is-progressively-increased-with-reductions-in-walking-speed
#5
Torsten Brauner, Philippe Pourcelot, Nathalie Crevier-Denoix, Thomas Horstmann, Scott C Wearing
INTRODUCTION: Achilles tendon rehabilitation protocols commonly recommend a gradual increase in walking speed to progressively intensify tendon loading. This study used transmission-mode ultrasound to evaluate the influence of walking speed on loading of the human Achilles tendon in vivo. METHODS: Axial transmission speed of ultrasound was measured in the right Achilles tendon of 33 adults (mean ± SD; age, 29 ± 3 years; height, 1.725 ± 0.069 m; weight, 71.4 ± 19...
May 15, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28506172/the-effect-of-myostatin-gdf-8-on-proliferation-and-tenocyte-differentiation-of-rat-bone-marrow-derived-mesenchymal-stem-cells
#6
Wei Le, Jeffrey Yao
BACKGROUND: The future in flexor tendon surgery involves tissue engineering approaches directed toward increasing early repair strength to accelerate tendon healing and to allow for earlier onset of rehabilitation. Previous work has shown that pluripotential mesenchymal stem cells may be successfully delivered to a tendon repair site using a suture carrier. The current work describes the use of Myostatin (GDF-8) to help guide these delivered pluripotential stem cells to differentiate down a tenocyte lineage to potentially maximize the reparative effects of these cells at the tendon repair site...
June 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28504931/robust-real-time-musculoskeletal-modeling-driven-by-electromyograms
#7
Guillaume Durandau, Dario Farina, Massimo Sartori
OBJECTIVE: Current clinical biomechanics involves lengthy data acquisition and time-consuming offline analyses and current biomechanical models cannot be used for real-time control in man-machine interfaces. We developed a method that enables online analysis of neuromusculoskeletal function in vivo in the intact human. METHODS: We used electromyography (EMG)-driven musculoskeletal modeling to simulate all transformations from muscle excitation onset (EMGs) to mechanical moment production around multiple lower-limb degrees of freedom (DOFs)...
May 12, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28501463/home-based-rehabilitation-in-the-postoperative-treatment-of-flexor-tendon-repair
#8
M Sanmartín-Fernández, B Fernández-Bran, J Couceiro-Otero
OBJECTIVE: To evaluate the results and complications of flexor tendon repair in which a home-based rehabilitation program was utilized without the assistance of a hand therapist during the first 4postoperative weeks. MATERIAL Y METHODS: Between July 2009 and July 2014, a total of 21 digits in 15 patients were treated in our institution for complete laceration of the flexor tendons within the flexor pulley system (zone 1 and 2). Passive and active exercises performed by the patients themselves were started the morning after the operation...
May 10, 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/28498225/rehabilitation-and-prevention-of-proximal-hamstring-tendinopathy
#9
Nicholas R Beatty, Ioonna Félix, Jessica Hettler, Peter J Moley, James F Wyss
Proximal hamstring tendinopathy (PHT) comprises a small but significant portion of hamstring injuries in athletes, especially runners. PHT is a chronic condition that is clinically diagnosed but can be supported with imaging. The main presenting complaint is pain in the lower gluteal or ischial region that may or may not radiate along the hamstrings in the posterior thigh. There is little scientific evidence on which to base the rehabilitation management of PHT. Treatment is almost always conservative, with a focus on activity modification, addressing contributing biomechanical deficiencies, effective tendon loading including eccentric training, and ultrasound-guided interventional procedures which may facilitate rehabilitation...
May 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/28476383/evaluation-of-a-new-knotless-suture-anchor-repair-in-acute-achilles-tendon-ruptures-a-biomechanical-comparison-of-three-techniques
#10
James M Cottom, Joseph S Baker, Phillip E Richardson, Jared M Maker
Acute ruptures of the Achilles tendon are a common injury, and debate has continued in published studies on how best to treat these injuries. Specifically, controversy exists regarding the surgical approaches for Achilles tendon repair when one considers percutaneous versus open repair. The present study investigated the biomechanical strength of 3 different techniques for Achilles tendon repair in a cadaveric model. A total of 36 specimens were divided into 3 groups, each of which received a different construct...
May 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28473518/randomised-controlled-trial-evaluating-the-short-term-analgesic-effect-of-topical-diclofenac-on-chronic-achilles-tendon-pain-a-pilot-study
#11
Erin Rebecca Bussin, Brian Cairns, Jim Bovard, Alexander Scott
OBJECTIVES: To determine if a topically applied non-steroidal anti-inflammatory drug (diclofenac) can provide short-term pain relief for chronic Achilles tendinopathy (CAT), in order to inform the development of a new rehabilitation protocol. DESIGN AND SETTING: Pilot double-blind, cross-over randomised controlled trial providing participants with tertiary care. The study was conducted at a single research centre in Vancouver, BC. PARTICIPANTS: Sixteen adults with unilateral CAT and three adults with bilateral CAT participated...
May 4, 2017: BMJ Open
https://www.readbyqxmd.com/read/28467583/repair-of-comminuted-fracture-of-the-lower-patellar-pole
#12
Elsayed Ibraheem Elsayed Massoud
BACKGROUND: Comminuted fracture of the lower patellar pole has characteristics of both patellar fracture and avulsion of the patellar tendon. Therefore, components of both injury types should be considered during treatment. None of the traditional techniques has proven sufficient alone. Currently described is technique that incorporates principles of osteosynthesis as well as repair of the patellar tendon. METHODS: Total of 23 patients with comminuted fracture of the lower patellar pole were treated surgically and prospectively followed for 24 months...
March 2017: Ulusal Travma Ve Acil Cerrahi Dergisi, Turkish Journal of Trauma & Emergency Surgery: TJTES
https://www.readbyqxmd.com/read/28467340/pectoralis-major-tendon-rupture-in-a-weight-lifter-a-rare-case
#13
Alessio Pedrazzini, Massimo Banchi, Nicola Bertoni, Bianca Pedrabissi, Henry Claudel Yewo Simo, Vanni Medina, Pietro Bonassi, Silvio Tocco, Francesco Pogliacomi
Pectoralis major tendon (PMT) rupture is a rare event, and it was originally described by Patisser in 1822. The PMT is a thick lamina, which has two origins, one from the clavicle and the other from the ribcage sternum. PMT lesions are classified according to 3 levels of severity: Type 1 is contusions and strains, Type 2 is a partial tear and Type 3 is a complete tear. Diagnosis is made through a clinical examination which comprises a positive response to pain upon pressure over the axilla recess, the presence of bruising and limited motion, and is completed with an MRI...
April 28, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/28465006/early-rehabilitation-after-open-repair-for-patients-with-a-rupture-of-the-achilles-tendon
#14
Uk Kim, Yun Seong Choi, Gyu Chol Jang, Young Rak Choi
PURPOSE: As outdoor activities participation increase, Achilles tendon rupture incidence also tends to increase. There are a number of treatment and rehabilitation options for a ruptured Achilles tendon. However, the optimal rehabilitation protocols are still under debate. The purpose of this study is to determine whether early rehabilitation is more effective than conventional rehabilitation. METHODS: Medical records of 56 patients who had been treated with open repair after a ruptured Achilles tendon were retrospectively reviewed...
April 25, 2017: Injury
https://www.readbyqxmd.com/read/28461919/anterior-cruciate-ligament-reconstruction-principles-of-treatment
#15
REVIEW
Nikolaos K Paschos, Stephen M Howell
Anterior cruciate ligament (ACL) reconstruction is one of the most common procedures in sports medicine. Several areas of controversy exist in ACL tear management which have engaged surgeons and researchers in debates towards identifying an ideal approach for these patients.This instructional review discusses the principles of ACL reconstruction in an attempt to provide guidelines and initiate a critical thinking approach on the most common areas of controversy regarding ACL reconstruction.Using high-level evidence from the literature, as presented in randomised controlled trials, systematic reviews, and meta-analyses, operative versus conservative treatment, timing of surgery, and rehabilitation are discussed...
November 2016: EFORT Open Rev
https://www.readbyqxmd.com/read/28461087/long-term-outcome-of-paediatric-flexor-tendon-injuries-of-the-hand
#16
Georg Singer, Thomas Zwetti, Ruth Amann, Christoph Castellani, Holger Till, Barbara Schmidt
The ideal rehabilitation regimen of paediatric flexor tendon injuries of the hand is discussed controversially. In this study, the clinical outcome of paediatric patients with flexor tendon injuries treated with a dynamic postoperative protocol was assessed. All children with flexor tendon injuries of the hand who were treated by a dynamic postoperative protocol between 1999 and 2011 were included. Patients were invited for a follow-up examination consisting of clinical examination, the TAM and Buck-Gramcko scores, and the linear measurement system...
April 8, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28455594/-polyneuropathy-in-the-elderly
#17
Wolfgang Löscher, Bernhard Iglseder
The peripheral nervous system is subject to changes during the ageing process, e. g. deep tendon reflexes decrease, as does proprioception. Polyneuropathies, on the other hand, need to be distinguished from age-related changes as independent diseases with etiologies similar to those at younger ages. Etiologies includes metabolic disorders, primary inflammatory polyneuropathies, and systemic disorders. Neuropathies associated with diabetes, malignancy, and monoclonal gammopathies appear to be more common in older patients...
April 28, 2017: Zeitschrift Für Gerontologie und Geriatrie
https://www.readbyqxmd.com/read/28451697/assessment-and-treatment-of-spastic-equinovarus-foot-after-stroke-guidance-from-the-mont-godinne-interdisciplinary-group
#18
Thierry Deltombe, Delphine Wautier, Philippe De Cloedt, Michèle Fostier, Thierry Gustin
OBJECTIVE: To present interdisciplinary practical guidance for the assessment and treatment of spastic equinovarus foot after stroke. RESULTS: Clinical examination and diagnostic nerve block with anaesthetics determine the relative role of the factors leading to spastic equinovarus foot after stroke: calf spasticity, triceps surae - Achilles tendon complex shortening and dorsiflexor muscles weakness and/or imbalance. Diagnostic nerve block is a mandatory step in determining the cause(s) of, and the most appropriate treatment(s) for, spastic equinovarus foot...
April 26, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28451617/return-to-sport-for-skeletally-immature-athletes-after-acl-reconstruction-preventing-a-second-injury-using-a-quality-of-movement-assessment-and-quantitative-measures-to-address-modifiable-risk-factors
#19
Jessica Graziano, Theresa Chiaia, Polly de Mille, Danyal H Nawabi, Daniel W Green, Frank A Cordasco
BACKGROUND: Reinjury rates after anterior cruciate ligament reconstruction (ACLR) are highest among young athletes, who consequently suffer from low rates of return to play. Historically, quantitative measures have been used to determine readiness to return to sport; however, they do not assess modifiable risk factors related to the quality of movement. PURPOSE: To determine the effectiveness of a criteria-based rehabilitation progression and return-to-sport criteria on efficient return to activity and prevention of second injury in young athletes post-ACLR...
April 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28435080/investigating-mechanisms-of-tendon-damage-by-measuring-multi-scale-recovery-following-tensile-loading
#20
Andrea H Lee, Spencer E Szczesny, Michael H Santare, Dawn M Elliott
Tendon pathology is associated with damage. While tendon damage is likely initiated by mechanical loading, little is known about the specific etiology. Damage is defined as an irreversible change in the microstructure that alters the macroscopic mechanical parameters. In tendon, the link between mechanical loading and microstructural damage, resulting in macroscopic changes, is not fully elucidated. In addition, tendon damage at the macroscale has been proposed to initiate when tendon is loaded beyond a strain threshold, yet the metrics to define the damage threshold are not determined...
April 20, 2017: Acta Biomaterialia
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