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Biceps Tendon

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https://www.readbyqxmd.com/read/28079648/acute-response-of-the-infraspinatus-and-biceps-tendons-to-pitching-in-youth-baseball
#1
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/28056872/a-limb-girdle-myopathy-phenotype-of-runx2-mutation-in-a-patient-with-cleidocranial-dysplasia-a-case-study-and-literature-review
#2
Sung-Ju Hsueh, Ni-Chung Lee, Shu-Hua Yang, Han-I Lin, Chin-Hsien Lin
BACKGROUND: Cleidocranial dysplasia (CCD) is a rare hereditary disorder that arises from heterozygous loss of function mutations in the runt-related transcription factor 2 (RUNX2) gene. As RUNX2 is mainly expressed in osteoblasts, CCD typically affects the skeletal and dental systems. Few studies have investigated RUNX2 mutation effects on non-skeletal systems. Here, we describe limb-girdle myopathy, an uncommon phenotype of CCD, in a patient with a heterozygous missense mutation (p.R225Q) in the RUNX2 gene...
January 6, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28052833/cadaveric-study-of-insertional-anatomy-of-distal-biceps-tendon-and-its-relationship-to-the-dynamic-proximal-radioulnar-space
#3
Deepak N Bhatia, Vikram Kandhari, Bibhas DasGupta
PURPOSE: To quantify and assess the relationship between the insertional dimensions of the distal biceps tendon (DBT) and radioulnar space (RUS) in 3 rotational positions. We hypothesized that in all positions RUS would be adequate for the DBT and would remain adequate even after an incremental increase (1 to 3 mm) in tendon thickness. METHODS: Eleven fresh-frozen cadaveric elbows were dissected; DBT dimensions and bicipital tuberosity measurements were performed and insertional footprints were quantified using a distal biceps footprint index...
January 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28027238/free-functioning-gracilis-muscle-transfer-for-elbow-flexion-reconstruction-after-traumatic-adult-brachial-pan-plexus-injury-where-is-the-optimal-distal-tendon-attachment-for-elbow-flexion
#4
Andrés A Maldonado, Santiago Romero-Brufau, Michelle F Kircher, Robert J Spinner, Allen T Bishop, Alexander Y Shin
BACKGROUND: Reconstruction after pan-plexus root avulsions often includes gracilis free functioning muscle transfer. For elbow flexion reconstruction, the free functioning muscle transfer distal tendon is inserted into the biceps tendon or more distally (i.e., flexor digitorum profundus/flexor pollicis longus tendons) for combined elbow and finger flexion; the theoretical drawback of the latter approach is weaker elbow flexion. The authors compared elbow flexion strength with a biceps tendon versus a flexor digitorum profundus/flexor pollicis longus tendon attachment to determine which insertion point resulted in better elbow flexion...
January 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28003073/editorial-commentary-a-no-difference-study-that-may-make-a-difference-in-the-treatment-of-disorders-of-the-shoulder-biceps-brachii-tendon
#5
EDITORIAL
Jefferson C Brand
Biceps tenodesis for disorders of the biceps brachii is frequently performed; nevertheless the optimum procedure, and particularly the level of tenodesis either above the pectoralis major tendon or inferior to the tendon, is yet to be determined. Both have purported advantages. Studies that do not find a difference in outcomes between the 2 groups in the publishing vernacular are sometimes referred to as no-difference investigations and are slightly less likely to be published, known as publication bias. This may be the rare "no-difference" investigation that makes a difference in the treatment of the biceps brachii...
January 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27992561/micrornas-associated-with-shoulder-tendon-matrisome-disorganization-in-glenohumeral-arthritis
#6
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/27992239/differential-effects-of-two-rehabilitation-programs-following-anterior-cruciate-ligament-reconstruction
#7
Igor Setuain, Mikel Izquierdo, Fernando Idoate, Eder Bikandi, Esteban M Gorostiaga, Per Aagaard, Eduardo L Cadore, Jesús Alfaro-Adrián
Context- The muscular function restoration related to the type of physical rehabilitation followed after anterior cruciate ligament reconstruction (ACLR) using autologous hamstring tendon graft in terms of strength and cross sectional area (CSA) remain controversial. Objective- To analyze the CSA and force output of quadriceps and hamstring muscles in subjects following either an Objective Criteria-Based rehabilitation (OCBR) algorithm or the usual care (UCR) for ACL rehabilitation in Spain, before and one year after undergoing an ACLR...
December 19, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27979365/rupture-of-the-short-head-component-of-a-bifurcated-distal-biceps-tendon
#8
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
#9
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/27941908/association-of-bicipital-peritendinous-effusion-with-subacromial-impingement-a-dynamic-ultrasonographic-study-of-337-shoulders
#10
Ke-Vin Chang, Wei-Ting Wu, Levent Özçakar
Bicipital peritendinous effusion (BPE) is the most common biceps tendon abnormality and can be related to various shoulder ultrasonographic findings. Since the association of BPE with subacromial impingement is unclear, our study aimed to explore its association with the dynamic subacromial impingement test during ultrasound (US) imaging. We included 337 shoulders referred for US examinations and quantified the amount of BPE. Effusion more than 1 mm in thickness was considered a positive finding. A comparison of three grades of subacromial impingement, adjusted by patient demographics, static sonographic shoulder pathology, and physical findings, by using multivariate regression models revealed that the odds ratio of subacromial impingement (with 95% confidence intervals) in the presence of BPE was 6...
December 12, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27935111/degradation-of-elastic-fiber-and-elavated-elastase-expression-in-long-head-of-biceps-tendinopathy
#11
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/27932695/posture-dependent-corticomotor-excitability-differs-between-the-transferred-biceps-in-individuals-with-tetraplegia-and-the-biceps-of-nonimpaired-individuals
#12
Carrie L Peterson, Lynn M Rogers, Michael S Bednar, Anne M Bryden, Michael W Keith, Eric J Perreault, Wendy M Murray
Background Following biceps transfer to enable elbow extension in individuals with tetraplegia, motor re-education may be facilitated by greater corticomotor excitability. Arm posture modulates corticomotor excitability of the nonimpaired biceps. If arm posture also modulates excitability of the transferred biceps, posture may aid in motor re-education. Objective Our objective was to determine whether multi-joint arm posture affects corticomotor excitability of the transferred biceps similar to the nonimpaired biceps...
December 8, 2016: Neurorehabilitation and Neural Repair
https://www.readbyqxmd.com/read/27928546/radiostereometric-evaluation-of-tendon-elongation-after-distal-biceps-repair
#13
Nathan E Marshall, Robert A Keller, Kelechi Okoroha, John Michael Guest, Charles Yu, Stephanie Muh, Vasilios Moutzouros
BACKGROUND: Operative repair of distal biceps tendon ruptures has shown successful outcomes. However, little is known about the amount of tendon or repair site lengthening after repair. PURPOSE/HYPOTHESIS: The purpose of this study was to evaluate distal biceps tendon repair via intratendinous radiostereometric analysis to analyze tendon lengthening at different time intervals of healing. The hypothesis was that there is significant lengthening after repair. STUDY DESIGN: Case series; Level of evidence, 4...
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27914841/progression-of-degenerative-changes-of-the-biceps-tendon-after-successful-rotator-cuff-repair
#14
Norimasa Takahashi, Hiroyuki Sugaya, Momoko Matsumoto, Hikaru Miyauchi, Keisuke Matsuki, Morihito Tokai, Nobuaki Kawai, Kazutomo Onishi, Yusuke Ueda, Shota Hoshika
BACKGROUND: This study investigated the morphologic changes in the biceps tendon using ultrasonography before and after successful arthroscopic posterosuperior rotator cuff repair. METHODS: Forty-four patients (44 shoulders) underwent arthroscopic posterosuperior rotator cuff repair with 1-year postoperative magnetic resonance imaging (MRI) follow-up. The patients comprised 22 men and 22 women with an average age of 61 years. The cross-sectional area (CSA) of the biceps tendon in the bicipital groove was measured, and the vascularity in the bicipital groove was graded as 0 to 3, based on the signal density of the anterior circumflex artery, using power Doppler ultrasonography...
November 30, 2016: Journal of Shoulder and Elbow Surgery
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
#15
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/27904798/functional-outcomes-after-distal-biceps-brachii-repair-a-case-series
#16
Christine L Redmond, Tim Morris, Charissa Otto, Tanisha Zerella, John G Semmler, Taaibos Human, Joideep Phadnis, Gregory I Bain
OBJECTIVES: To investigate outcomes after surgical repair of distal biceps tendon rupture and the influence of arm dominance on isokinetic flexion and supination results. BACKGROUND/PURPOSE: While relatively uncommon, rupture of the distal biceps tendon can result in significant strength deficits, for which surgical repair is recommended. The purpose of this study was to assess patient reported functional outcomes and muscle performance following surgery. METHODS: A sample of 23 participants (22 males, 1 female), who had previously undergone surgical repair of the distal biceps tendon, were re-examined at a minimum of one year after surgery...
December 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27900711/lacertus-fibrosus-augmentation-for-distal-biceps-brachii-rupture-repair-surgical-technique
#17
M Fontana, A Trimarchi, A Colozza
BACKGROUND: Repair of distal biceps tendon ruptures has become widely accepted. Unfortunately, care of retracted-degenerated injuries remains a challenge for orthopedic surgeons. Complication rates appear to increase when surgery is performed in chronic cases compared to those operated acutely. Multiple techniques for chronic reconstruction with the use of grafts have been described. Recently Morrey, from the Mayo Clinic, proposed a direct anatomic repair of retracted distal biceps tendon ruptures in extreme flexion (60°-90°) to avoid grafting...
December 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27886838/biceps-and-triceps-ruptures-in-athletes
#18
REVIEW
Jared R Thomas, Jeffrey Nathan Lawton
Although rare, biceps and triceps tendon ruptures constitute significant injuries that can lead to profound disability if left untreated, especially in the athletic population. Biceps rupture is more common than triceps rupture, with both resulting from a forceful eccentric load. Surgical repair is the treatment method of choice for tendinous ruptures in athletes. Nonoperative management is rarely indicated in this population and is typically reserved for individuals with partial ruptures that quickly regain strength and function...
February 2017: Hand Clinics
https://www.readbyqxmd.com/read/27885850/detour-sign-in-the-diagnosis-of-subluxation-of-the-long-head-of-the-biceps-tendon-with-arthroscopic-correlation
#19
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
#20
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
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