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https://www.readbyqxmd.com/read/28819784/-injuries-of-the-peroneal-tendons-often-overlooked
#1
REVIEW
K Klos, M Knobe, T Randt, P Simons, T Mückley
CLINICAL ISSUE: Injuries of the peroneal tendons are rare and often overlooked. Typical pathologies are tendinitis, tears and dislocation. Accompanying injuries are fractures. They are often associated with instability in the ankle and rearfoot deformities; therefore, these pathologies should be excluded or taken into consideration in the treatment. The clinical examination is crucial for the diagnosis. DIAGNOSTIC WORK-UP: Ultrasound and magnetic resonance imaging (MRI) examinations are very helpful; however, the true extent of the tendon pathology is often first seen during surgery...
August 17, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28817161/biomechanical-evaluation-of-unicortical-stress-risers-of-the-proximal-humerus-associated-with-pectoralis-major-repair
#2
David J Wilson, Brian P Milam, William F Scully, Todd P Balog, Kyong S Min, Christopher S Chen, Bryant G Marchant, Edward D Arrington
Proximal humerus fracture after pectoralis major tendon repair has been recently reported. Although this complication is rare, it may be possible to decrease such risk using newer techniques for myotenodesis. This study was designed to evaluate various unicortical stress risers created at the proximal humeral metadiaphysis during myotenodesis for repair of pectoralis major ruptures. A simulated pectoralis major myotenodesis was performed using fourth-generation Sawbones (N=30). Using previously described anatomic landmarks for the tendinous insertion, 3 repair techniques were compared: bone trough, tenodesis screws, and suture anchors (N=10 each)...
August 17, 2017: Orthopedics
https://www.readbyqxmd.com/read/28806294/the-tissue-engineered-tendon-bone-interface-in-vitro-and-in-vivo-synergistic-effects-of-adipo-derived-stem-cells-platelet-rich-plasma-and-extracellular-matrix-hydrogel
#3
Rory McGoldrick, Arhana Chattopadhyay, Christopher Crowe, Grace Chiou, Kenneth Hui, Simon Farnebo, Christopher Davis, Anais Le Grand, Molly Jacobs, Hung Pham, James Chang
INTRODUCTION: Suboptimal healing of the tendon bone interface (TBI) remains an unsolved problem. One solution is a biocompatible tissue engineered construct that promotes augmented healing. We hypothesisze that 1.) the presence of Platelet Rich Plasma (PRP) and prolonged in vitro incubation produces tissue engineered tendon bone interface scaffolds with greater reseeding of viable Adipo-derived Stem Cells (ADSC) and 2.) when implanted with extracellular matrix hydrogel, constructs will display superior in vivo strength repair and biocompatibility...
August 3, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28775069/the-effect-of-a-pre-hop-on-the-muscle-tendon-interaction-during-vertical-jumps
#4
Jeroen Aeles, Glen A Lichtwark, Dries Peeters, Christophe Delecluse, Ilse Jonkers, Benedicte Vanwanseele
Many movements use stretch-shortening cycles of a muscle-tendon unit (MTU) for storing and releasing elastic energy. The required stretching of medial gastrocnemius (MG) tendinous tissue during jumps, however, requires large length changes of the muscle fascicles, due to the lack of MTU length changes. This has a negative impact on the force generating capacity of the muscle fascicles. The purpose of this study was to induce a MG MTU stretch prior to shortening by adding a pre-hop to the squat jump. Eleven well-trained athletes specialized in jumping performed a pre-hop squat jump (PHSJ) and a standard squat jump (SSJ)...
August 3, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28766275/a-mini-invasive-tenolysis-of-the-flexor-tendons-following-hand-fractures-case-series
#5
A Leti Acciaro, M Lando, A Russomando, G Colzani
INTRODUCTION: The treatment of the flexor tendon adhesions following phalanx and metacarpal fractures, in closed or open injuries, is a great challenge for the hand surgeon. The outcomes are often poor, because of the severity of the lesion and the aggressiveness of the surgical procedure of the secondary tenolysis. MATERIALS AND METHODS: The authors describe the technical findings and the results of a new mini-invasive tenolysis in order to treat the adhesions in zone 1 and 2 of the fingers, following phalangeal and metacarpal fractures...
August 1, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28766166/rhpdgf-bb-combined-with-adscs-in-the-treatment-of-achilles-tendinitis-via-mir-363-pi3%C3%A2-k-akt-pathway
#6
Qiao-Jie Chen, Liang Chen, Shao-Kun Wu, Yao-Jun Wu, Qing-Jiang Pang
To investigate the mechanism of recombinant human platelet-derived growth factor-BB (rhPDGF-BB) and human adipose-derived stem cells (hADSCs) in the treatment of Achilles tendinitis. Biomechanical indices of stiffness, stress, and maximum load-to-failure were detected by biomechanical test. mRNA and protein levels of miR-363, p-PI3K/AKT, tendon-related genes Collagen I, Scleraxis (Scx), and Tenascin C (TNC) were measured by qRT-PCR and western blot. The proliferation of hADSCs was accessed by MTT assay. Biomechanical indices of stiffness, stress, and maximum load-to-failure, and mRNA and protein levels of tendon-related genes could be improved by rhPDGF-BB or hADSCs alone, and could be further improved by rhPDGF-BB + hADSCs...
August 1, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28754501/flexor-carpi-radialis-brevis-muscle-a-case-report-and-its-prevalence-in%C3%A2-patients-with-carpal-tunnel-syndrome
#7
Tetsuhiko Mimura, Shigeharu Uchiyama, Masanori Hayashi, Kazutaka Uemura, Hideki Moriya, Hiroyuki Kato
BACKGROUND: During the surgery for a distal radius fracture, we encountered a large anomalous muscle lying across the distal radius. The muscle was identified as a flexor carpi radialis brevis muscle (FCRB), based on its location, function, and innervation. This experience led us to clarify its prevalence in living subjects and alert surgeons of its presence. METHODS: We reviewed wrist MRI scans of 515 hands of 379 patients with carpal tunnel syndrome (CTS). The prevalence of the FCRB was calculated...
July 25, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28744692/frequency-of-acute-longus-colli-tendinitis-on-ct-examinations
#8
John Boardman, Emanuel Kanal, Patrick Aldred, Joseph Boonsiri, Chijindu Nworgu, Feng Zhang
PURPOSE: We attempted to determine the frequency of acute longus colli tendinitis on diagnostic CT imaging performed at a large multicenter health care system. By correlating with the pre-imaging clinical information, we investigated which patient presentations should lead the radiologist to increased suspicion for this condition. METHODS: Images from a total of 8101 adult CT examinations of the neck and cervical spine performed over a 3-month period were evaluated by researchers independent of the original clinical report...
July 25, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28737618/evaluation-of-ulnar-sided-wrist-pain
#9
Manuel F DaSilva, Avi D Goodman, Joseph A Gil, Edward Akelman
Determining the etiology of ulnar-sided wrist pain is often challenging. The condition may be acute or chronic, and differential diagnoses include injuries to the ulnar carpal bones, ligament tears, tendinitis, vascular conditions, osteoarthritis and systemic arthritis, and ulnar nerve compression. An anatomically based, methodical physical examination coupled with provocative maneuvers, including piano key, ulnar impaction, shuck, foveal stress, and extensor carpi ulnaris synergy tests, further defines the differential diagnosis...
August 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28736620/peroneal-tendon-disorders
#10
REVIEW
Kinner Davda, Karan Malhotra, Paul O'Donnell, Dishan Singh, Nicholas Cullen
Pathological abnormality of the peroneal tendons is an under-appreciated source of lateral hindfoot pain and dysfunction that can be difficult to distinguish from lateral ankle ligament injuries.Enclosed within the lateral compartment of the leg, the peroneal tendons are the primary evertors of the foot and function as lateral ankle stabilisers.Pathology of the tendons falls into three broad categories: tendinitis and tenosynovitis, tendon subluxation and dislocation, and tendon splits and tears. These can be associated with ankle instability, hindfoot deformity and anomalous anatomy such as a low lying peroneus brevis or peroneus quartus...
June 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28735552/a-prospective-study-on-the-effect-of-sport-specialization-on-lower-extremity-injury-rates-in-high-school-athletes
#11
Timothy A McGuine, Eric G Post, Scott J Hetzel, M Alison Brooks, Stephanie Trigsted, David R Bell
BACKGROUND: Sport specialization is associated with an increased risk of musculoskeletal lower extremity injuries (LEIs) in adolescent athletes presenting in clinical settings. However, sport specialization and the incidence of LEIs have not been investigated prospectively in a large population of adolescent athletes. PURPOSE: To determine if sport specialization was associated with an increased risk of LEIs in high school athletes. STUDY DESIGN: Cohort study; Level of evidence, 2...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28728791/the-effects-of-achilles-tendon-compliance-on-triceps-surae-mechanics-and-energetics-in-walking
#12
Maria Isabel V Orselli, Jason R Franz, Darryl G Thelen
Achilles tendon (AT) compliance can affect the generation and transmission of triceps surae muscle forces, and thus has important biomechanical consequences for walking performance. However, the uniarticular soleus (SOL) and the biarticular (GAS) function differently during walking, with in vivo evidence suggesting that their associated fascicles and tendinous structures exhibit unique kinematics during walking. Given the strong association between muscle fiber length, velocity and force production, we conjectured that SOL and GAS mechanics and energetic behavior would respond differently to altered AT compliance...
July 26, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28717615/outcomes-of-prolotherapy-for-intra-tendinous-achilles-tears-a-case-series
#13
Otto Chan, Ben Havard, Sarah Morton, Mel Pritchard, Nicola Maffulli, Tom Crisp, Nat Padhiar, Jeremy David Perry, John King, Dylan Morrissey
BACKGROUND: The intra-tendinous tear is a new pathology that is defined as a discontinuity of fibres situated entirely within the tendon. Prolotherapy involves injecting an irritant, such as hyperosmolar dextrose, to stimulate a tissue healing response and ultimately reduce pain. METHODS: 43 consecutive patients diagnosed with an intra-tendinous tear were included (27 males: 16 females, mean (SD) age 41 (11.3). Patients were injected with 0.4ml-1.5ml (mean 0.8ml) of 50% dextrose and 0...
January 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28708327/sonography-of-non-neoplastic-disorders-of-the-hand-and-wrist-tendons
#14
REVIEW
Salvatore Gitto, Anna Guja Draghi, Ferdinando Draghi
Tendon disorders commonly cause hand and wrist disability and curtail the performance of work-related duties or routine tasks. Imaging is often needed for diagnosis, but it requires knowledge of the complex anatomic structures of the tendons of the hand and wrist as well as familiarity with related disorders. This review article aims to provide medical professionals with guidelines for the sonographic assessment of the tendons of hand and wrist and related disorders. Sonographic features of tendon disorders affecting the hand and wrist are described here, specifically: infectious tenosynovitis; tendon rupture or tearing; stenosing forms of tenosynovitis such as De Quervain disease and trigger finger; intersection syndrome; insertional tendinopathy; several forms of tendinous instability such as extensor carpi ulnaris instability, climber finger, and boxer knuckle; and tendinopathy in inflammatory rheumatic diseases...
July 14, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28694858/local-application-of-vibration-in-motor-rehabilitation-scientific-and-practical-considerations
#15
Daniela Poenaru, Delia Cinteza, Irina Petrusca, Liliana Cioc, Dan Dumitrascu
Vibration stimulates specific receptors, cutaneous and musculo-tendinous. The aff erent impulses travel through spinal neurons to thalamus and cortical structures. The local muscular response to a vibration is a tonic vibratory refl ex. This refl ex depends on many factors: frequency, amplitude, and tendon and muscle length. Based upon this refl ex, vibration produced alteration of isometric and isotonic contraction, fl exibility, spasticity. Many studies investigated facilitator eff ects on movement in stroke patients and spinal cord injuries...
September 2016: Mædica
https://www.readbyqxmd.com/read/28688837/tendon-disorders-after-total-hip-arthroplasty-evaluation-and-management
#16
REVIEW
Brian M Capogna, Kartik Shenoy, Thomas Youm, Steven A Stuchin
BACKGROUND: Most patients who undergo total hip arthroplasty are very satisfied with their outcomes. However, there is a small subset of patients who have persistent pain after surgery. The etiology of pain after total hip arthroplasty varies widely; however, tendon disorders are a major cause of debilitating pain that often go unrecognized. METHODS: We performed a literature review to identify the most common tendon pathologies after total hip arthroplasty which include iliopsoas tendinitis, greater trochanteric pain syndrome, snapping hip syndrome, and abductor tendinopathy...
April 27, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28686366/-the-hand-review-of-the-main-pathologies-for-the-primary-care-physician
#17
Nadia Carità Cambon, Olivier Pasche, Laurent Wehrli
The general practitioner is often the first person to have to assess and treat a patient complaining about his hand, especially in areas far away from an emergency health center. The hand is the largest sensitive area of our cortex. It is the most used part of our body and is therefore prone to traumas, cuts, infections, tendinous inflammation and compressive nerve disorders. This article summarises the main pathologies a primary care physician has to deal with.
September 28, 2016: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28671887/defining-the-anatomy-of-the-tendinous-intersections-of-the-rectus-abdominis-muscle-and-their-clinical-implications-in-functional-muscle-neurotization
#18
Justin M Broyles, Mark D Schuenke, Sima R Patel, Caroline M Vail, Heather V Broyles, A Lee Dellon
PURPOSE: Little is known about the definitive course of the tendinous intersections from anterior to posterior through the rectus abdominis (RA) muscle. The implications of a full thickness intersection may have effects on the ability to neurotize the RA. We hypothesized that these tendinous inscriptions would be fully adherent to the anterior rectus sheath, but there would be an incomplete penetrance into the posterior surface, thereby allowing for muscle fibers and neurovascular structures to run the entire course of the RA muscle...
June 1, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28664844/longus-colli-tendinitis-a-review-of-literature-and-case-series
#19
Ahmed Shawky, Belal Elnady, Essam El-Morshidy, Wael Gad, Ali Ezzati
PURPOSE: To increase the awareness of longus colli tendinitis (LCT) among spine specialists and to present a practical overview of diagnostic and treatment options, so that unnecessary interventions are avoided. Five sample cases from a German spine center will also be presented. METHODS: Literature review and case series. A PubMed search was performed in May 2015, and the articles found were reviewed for clinical presentation, investigations, and treatment. The frequency of publication of LCT cases and the specialty of journals were also noted...
2017: SICOT-J
https://www.readbyqxmd.com/read/28663378/factors-contributing-to-lower-metabolic-demand-of-eccentric-than-concentric-cycling
#20
Luis Penailillo, Anthony John Blazevich, Kazunori Nosaka
This study compared muscle-tendon behavior, muscle oxygenation and muscle activity between eccentric and concentric cycling exercise at the same work output to investigate why metabolic demand is lower during eccentric than concentric cycling. Eleven untrained men (27.1 ± 7.0 y) performed concentric cycling (CONC) and eccentric cycling (ECC) for 10 min (60 rpm) at 65% of the maximal concentric cycling power output (191 ± 45 W) four weeks apart. During cycling, oxygen consumption (VO2), heart rate (HR), vastus lateralis (VL) tissue total hemoglobin (tHb) and oxygenation index (TOI) were recorded, and muscle-tendon behavior was assessed using ultrasonography...
June 29, 2017: Journal of Applied Physiology
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