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Long head of biceps

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https://www.readbyqxmd.com/read/28091588/high-molecular-weight-hyaluronic-acid-attenuated-matrix-metalloproteinase-1-and-3-expression-via-cd44-in-tendinopathy
#1
Po-Ting Wu, Li-Chieh Kuo, Fong-Chin Su, Shih-Yao Chen, Tai-I Hsu, Chung-Yi Li, Kuen-Jer Tsai, I-Ming Jou
Evidence indicates that hyaluronic acid (HA) mitigates tendinopathy, but the effect of molecular weight is unclear. We investigated the effects of different concentrations and different molecular weights of HA (350 kDa, 1500 kDa, and 3000 kDa) on matrix metalloproteinase (MMP)-1 and -3 expression in IL-1β-stimulated rat tenocytes, and on their dynamic expression in peritendinous effusion from patients with long head of biceps (LHB) tendinopathy after high-molecular-weight (HMW)-HA treatments. Reverse transcription PCR, real-time PCR, and ELISA were used to determine MMP-1 and -3expression...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28079648/acute-response-of-the-infraspinatus-and-biceps-tendons-to-pitching-in-youth-baseball
#2
Adam Popchak, Nathan Hogaboom, Dharmesh Vyas, John Abt, Anthony Delitto, James J Irrgang, Michael Boninger
PURPOSE: Youth baseball frequently results in repetitive strain injuries. Quantitative ultrasound allows real-time imaging with the ability to identify acute markers of tendon change. The study objective was to determine acute quantitative ultrasound changes in the long head of the biceps and infraspinatus tendons of the throwing and non-throwing shoulders during a pitching performance. We hypothesized the tendons of the pitching arm would exhibit an increased width and decreased echogenicity after pitching and that tendons of the non-pitching arm would not demonstrate such changes...
January 11, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28070148/comparison-of-the-epidemiology-and-outcomes-of-traumatic-and-nontraumatic-rotator-cuff-tears
#3
Takeshi Teratani
OBJECTIVE: The purpose of this study was to investigate the differences in the epidemiology and outcomes of traumatic and nontraumatic rotator cuff tears. METHODS: Thirty-three patients with traumatic and 46 with nontraumatic rotator cuff tears were included. RESULTS: The rate of injury to the long head of the biceps was significantly higher in the traumatic group. Preoperative active forward elevation was significantly lower in the traumatic group...
March 2017: Journal of Orthopaedics
https://www.readbyqxmd.com/read/28043748/subpectoral-biceps-tenodesis-for-tenosynovitis-of-the-long-head-of-the-biceps-in-active-patients-younger-than-45%C3%A2-years-old
#4
Dimitri S Tahal, J Christoph Katthagen, Alexander R Vap, Marilee P Horan, Peter J Millett
PURPOSE: The objective of this study was to assess the outcomes after subpectoral biceps tenodesis (BT) for long head of the biceps (LHB) tenosynovitis in active patients <45 years old. METHODS: This was an Institutional Review Board-approved, retrospective outcomes study with prospectively collected data. Patients treated with subpectoral BT were included if they met the following criteria: age <45 years, anterior shoulder pain with arthroscopically confirmed LHB tenosynovitis, no concomitant procedures other than debridement and decompression procedures, and minimum 2 years out from surgery...
December 30, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27992561/micrornas-associated-with-shoulder-tendon-matrisome-disorganization-in-glenohumeral-arthritis
#5
Finosh G Thankam, Chandra S Boosani, Matthew F Dilisio, Nicholas E Dietz, Devendra K Agrawal
The extracellular matrix (ECM) provides core support which is essential for the cell and tissue architectural development. The role of ECM in many pathological conditions has been well established and ECM-related abnormalities leading to serious consequences have been identified. Though much has been explored in regards to the role of ECM in soft tissue associated pathologies, very little is known about its role in inflammatory disorders in tendon. In this study, we performed microRNA (miRNA) expression analysis in the long head of the human shoulder biceps tendon to identify key genes whose expression was altered during inflammation in patients with glenohumeral arthritis...
2016: PloS One
https://www.readbyqxmd.com/read/27979365/rupture-of-the-short-head-component-of-a-bifurcated-distal-biceps-tendon
#6
Pramod B Voleti, Jennifer L Berkowitz, Gabrielle P Konin, Frank A Cordasco
BACKGROUND: Rupture of the short head component of a bifurcated distal biceps tendon is a rare injury that may be difficult to diagnose and to treat. METHODS: Three cases of patients with selective disruption of the short head of the biceps distal tendon from a single institution are reported. The presenting history, physical examination, imaging studies, operative findings, and treatment strategies are described. RESULTS: In each case, the mechanism of injury was forceful flexion of the involved elbow against an eccentric load...
December 12, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27943409/sonography-of-the-coracoid-process-region
#7
Stefano Bianchi, Denis Jacob, Aurélien Lambert, Ferdinando Draghi
Sonography is widely known as an accurate imaging tool for assessment of the rotator cuff of the shoulder, the long head of the biceps tendon, and joint disorders, but it is rarely performed to evaluate the coracoid process and the adjacent soft tissues. Nevertheless, sonography can show anatomic details of this region and be used to assess several pathologic conditions. The aims of this pictorial essay are to briefly review the anatomy of the coracoid process region, describe examination technique and normal sonographic appearances, and present the sonographic findings of the main disorders affecting this region...
December 10, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27942152/the-temporal-relationship-of-thresholds-between-muscle-activity-and-ventilation-during-bicycle-ramp-exercise-in-community-dwelling-elderly-males
#8
Kentaro Sasaki, Tsuyoshi Kimura, Satoshi Kojima, Hiroyuki Higuchi
[Purpose] To compare the appearance time of the ventilatory threshold point and the electromyographic threshold in the activity of the vastus lateralis, rectus femoris, biceps femoris long head and gastrocnemius lateral head muscles during ramp cycling exercise in elderly males. [Subjects and Methods] Eleven community dwelling elderly males participated in this study. Subjects performed exercise testing with an expiratory gas analyzer and surface electromyography to evaluate the tested muscle activities during ramp exercise...
November 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/27935111/degradation-of-elastic-fiber-and-elavated-elastase-expression-in-long-head-of-biceps-tendinopathy
#9
Yen-Ting Wu, Wei-Ren Su, Po-Ting Wu, Po-Chuan Shen, I-Ming Jou
Tendinopathy of the long head of the biceps (TLHB) involves various types of extracellular matrix degeneration, but previous studies have not evaluated elastic fibers. The purpose of this study was to investigate elastic fiber distribution in long head of the biceps (LHB). The TLHB tendons of 16 consecutive patients (8 men and 8 women; average age of 55.75 years; age range of 40-71 years) were transected and harvested. Three cadaveric LHB tendons were used as the control group. The expression of collagen type I was decreased, but type III was increased in TLHB...
December 9, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27909678/bridge-tenodesis-a-secure-fixation-technique-for-biceps-long-head-tendinopathy-during-arthroscopic-rotator-cuff-repair-using-a-suture-bridge-technique
#10
Jin-Young Park, Jae-Hyung Lee, Kyung-Soo Oh, Seok-Won Chung, Jin-Young Bang, Young-Min Noh
Tendinopathy of the long head of the biceps is often found as an intra-articular pathology in the glenohumeral joint. Because long head of the biceps lesions are common, surgical intervention to properly manage the long head of the biceps has become an important issue. Both tenodesis and tenotomy have been shown to provide benefits in biceps long head tendinopathy. But because of concerns about muscle power reduction, cramping, and "Popeye's deformity," which may result from biceps tenotomy, biceps tenodesis is a good option for treating biceps lesions...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27904931/-arthroscopic-tenodesis-or-tenotomy-of-the-long-head-of-the-biceps-tendon-in-preselected-patients-does-it-make-a%C3%A2-difference
#11
M Kerschbaum, N Maziak, M Scheuermann, M Scheibel
BACKGROUND: Are there clinical, cosmetic and/or structural differences between tenotomy and tenodesis of the long head of the biceps tendon (LHB) in patients selected according to commonly used indication criteria? MATERIAL AND METHODS: A total of 85 patients were included in this study. An LHB tenodesis (LHB-TD) was performed in 49 patients and a tenotomy (LHB-TT) in 36 patients. In addition to a standardized examination, the age and gender adjusted Constant score (aCS), the LHB score and the subjective shoulder value (SSV) were assessed...
November 30, 2016: Der Orthopäde
https://www.readbyqxmd.com/read/27900700/platelet-rich-plasma-supplementation-in-arthroscopic-repair-of-full-thickness-rotator-cuff-tears-a-randomized-clinical-trial
#12
R D'Ambrosi, F Palumbo, A Paronzini, V Ragone, R M Facchini
BACKGROUND: Results on the effectiveness of PRP supplementation in arthroscopic rotator cuff repair are conflicting, making it difficult to draw definitive conclusions. METHODS: This was a prospective, randomized, and double-blind study with two groups of 20 patients each (PRP group and control group). Degenerative supraspinatus full-thickness tears grade C2-C3 were subjected to arthroscopic repair; PRP supplementation was given to patients in the PRP group. The outcomes were assessed by DASH, Constant scales, and ultrasound before and 6 months after surgery...
December 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27885850/detour-sign-in-the-diagnosis-of-subluxation-of-the-long-head-of-the-biceps-tendon-with-arthroscopic-correlation
#13
Eun Kyung Khil, Jang Gyu Cha, Ji Sook Yi, Hyun-Joo Kim, Kyung Dae Min, Young Cheol Yoon, Chan Hong Jeon
OBJECTIVES: To determine whether detection of the detour sign via magnetic resonance imaging (MRI) indicates of subluxation of the long head of the biceps tendon (SLBT) in the shoulder joint and to investigate the association of SLBT with the degeneration of the long head of the biceps tendon (LBT) and rotator cuff tears. METHODS: This retrospective study included 65 patients with shoulder pain who underwent shoulder MRI and arthroscopic surgery. When axial images revealed that the LBT was displaced over the inner rim of the bicipital groove with some remaining contact with the groove (criterion 1), or demonstrated a "detour sign" of the biceps tendon (criterion 2), the lesion was diagnosed an SLBT...
November 25, 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/27885409/-simultaneous-surgical-treatment-of-the-long-head-of-the-biceps-tendon-during-operative-treatment-of-proximal-humeral-fractures
#14
M Kerschbaum, M Werth, C Gerhardt, M Scheibel
BACKGROUND: Pathologic conditions of the long biceps tendon can be found within treatment of proximal humeral fractures or as a source of pain after surgery. However, simultaneous surgical treatment at the index surgical intervention is so far not well established. The purpose of this study is to evaluate the results of a simultaneous biceps treatment during plate osteosynthesis of proximal humeral fractures. MATERIALS AND METHODS: Twenty-seven patients were included into this study...
November 24, 2016: Der Unfallchirurg
https://www.readbyqxmd.com/read/27847979/relationship-between-subscapularis-tears-and-injuries-to-the-biceps-pulley
#15
Arnaud Godenèche, Laurent Nové-Josserand, Stéphane Audebert, Bruno Toussaint, Patrick J Denard, Alexandre Lädermann
PURPOSE: The purpose of this study was to analyse the relationship between long head of the biceps brachii (LHBT) lesions and subscapularis tears. The hypothesis was that a bicipital pulley might remain intact, even in the case of a subscapularis tear. METHODS: Between 2010 and 2011, all patients who had a primary arthroscopic repair of a subscapularis tear were potentially included in this prospective study. The outcome of interest was the prevalence and type of arthroscopic lesions of the LHBT and bicipital pulley...
November 15, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27790534/clinico-radiological-correlation-of-subcoracoid-impingement-with-reduced-coracohumeral-interval-and-its-relation-to-subscapularis-tears-in-indian-patients
#16
Ayyappan Vijayachandran Nair, Srivatsa Nagaraja Rao, Chandrababu Kadassery Kumaran, Bhaskaran Vadakkekottu Kochukunju
INTRODUCTION: Clinically, subcoracoid impingement is characterized by pain at the anterior aspect of the shoulder that is induced by adduction, internal rotation and forward flexion. This position leads to narrowing of the Coraco-Humeral Interval (CHI)-that is, the space between the coracoid process and the lesser tuberosity of the humerus. Structures in the rotator interval are at greatest risk for impingement which includes the Subscorapularis tendon, tendon of the long head of the biceps, and the middle gleno-humeral ligament...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27781982/rhomboid-nerve-transfer-to-the-suprascapular-nerve-for-shoulder-reanimation-in-brachial-plexus-palsy-a-clinical-report
#17
J-N Goubier, F Teboul
Recovery of shoulder function is a real challenge in cases of partial brachial plexus palsy. Currently, in C5-C6 root injuries, transfer of the long head of the triceps brachii branch is done to revive the deltoid muscle. Spinal accessory nerve transfer is typically used for reanimation of the suprascapular nerve. We propose an alternative technique in which the nerve of the rhomboid muscles is transferred to the suprascapular nerve. A 33-year-old male patient with a C5-C6 brachial plexus injury with shoulder and elbow flexion palsy underwent surgery 7 months after the injury...
October 2016: Hand Surgery and Rehabilitation
https://www.readbyqxmd.com/read/27752837/multi-modal-imaging-of-the-subscapularis-muscle
#18
REVIEW
Mona Alilet, Julien Behr, Jean-Philippe Nueffer, Benoit Barbier-Brion, Sébastien Aubry
: The subscapularis (SSC) muscle is the most powerful of the rotator cuff muscles, and plays an important role in shoulder motion and stabilization. SSC tendon tear is quite uncommon, compared to the supraspinatus (SSP) tendon, and, most of the time, part of a large rupture of the rotator cuff. Various complementary imaging techniques can be used to obtain an accurate diagnosis of SSC tendon lesions, as well as their extension and muscular impact. Pre-operative diagnosis by imaging is a key issue, since a lesion of the SSC tendon impacts on treatment, surgical approach, and post-operative functional prognosis of rotator cuff injuries...
December 2016: Insights Into Imaging
https://www.readbyqxmd.com/read/27752168/-magnetic-resonance-imaging-of-dystrophinopathy-that-mimics-adductor-enthesopathy
#19
Y M Zheng, W Z Li, Z X Wang, W Zhang, H Lv, J X Xiao, Y Yuan
OBJECTIVE: To report thigh muscle magnetic resonance imaging (MRI) tests of four Chinese patients with dystrophinopathy with edema changes in adductor longus muscles that mimics adductor enthesopathy. METHODS: Four boys, who were from four unrelated families and aged from 5 to 11 years, were investigated because of the clinical manifestations including myalgia or muscle weakness or the incidental findings of elevated serum creatine kinase levels, and were diagnosed with dystrophinopathy by gene test of Duchenne muscular dystrophy (DMD)...
October 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/27739112/the-functional-significance-of-hamstrings-composition-is-it-really-a-fast-muscle-group
#20
Pavlos E Evangelidis, Garry J Massey, Richard A Ferguson, Patrick C Wheeler, Matthew T G Pain, Jonathan P Folland
Hamstrings muscle fiber composition may be predominantly fast-twitch and could explain the high incidence of hamstrings strain injuries. However, hamstrings muscle composition in vivo, and its influence on knee flexor muscle function, remains unknown. We investigated biceps femoris long head (BFlh) myosin heavy chain (MHC) composition from biopsy samples, and the association of hamstrings composition and hamstrings muscle volume (using MRI) with knee flexor maximal and explosive strength. Thirty-one young men performed maximal (concentric, eccentric, isometric) and explosive (isometric) contractions...
October 13, 2016: Scandinavian Journal of Medicine & Science in Sports
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