5,684 results match your criteria Glenohumeral Instability Multidirectional


Incidence of posterior shoulder instability and trends in surgical reconstruction: a 22-year population-based study.

J Shoulder Elbow Surg 2018 Nov 30. Epub 2018 Nov 30.

Department of Orthopedic Surgery and Sports Medicine, Mayo Clinic, Rochester, MN, USA. Electronic address:

Background: The incidence of posterior shoulder instability (PSI) in the general population is not well defined. This study aimed to define the population-based incidence of PSI and describe trends in incidence and surgery rates.

Methods: The study population included 143 patients (16 females, 127 males) diagnosed with new-onset PSI between January 1, 1994, and December 31, 2015. Read More

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November 2018
2 Reads

Scapular anatomy of Paranthropus boisei from Ileret, Kenya.

J Hum Evol 2018 Dec;125:181-192

Division of Anthropology, American Museum of Natural History, NY, USA; Humboldt Foundation Fellow at Department of Human Evolution, Max Planck Institute for Evolutionary Anthropology, Germany.

KNM-ER 47000A is a new 1.52 Ma hominin scapular fossil belonging to an associated partial skeleton from the Koobi Fora Formation, Kenya (FwJj14E, Area 1A). This fossil effectively doubles the record of Early Pleistocene scapulae from East Africa, with KNM-WT 15000 (early African Homo erectus) preserving the only other known scapula to date. Read More

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December 2018

Bilateral shoulder proprioception deficit in unilateral anterior shoulder instability.

J Shoulder Elbow Surg 2018 Nov 28. Epub 2018 Nov 28.

Department of Traumatology, Orthopaedics and Hand Surgery, University of Medical Sciences in Poznan, Poznań, Poland.

Hypothesis And Background: Proprioception is an important element of shoulder dynamic stability. It has been shown to be affected in cases of capsular or labral injuries of the glenohumeral joint. Therefore, this study was conducted to investigate bilateral shoulder proprioception by active reproduction of joint position both in patients with post-traumatic recurrent unilateral shoulder instability and in normal healthy volunteers. Read More

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November 2018

The differences of humeral torsion angle and the glenohumeral rotation angles between young right-handed and left-handed pitchers.

J Shoulder Elbow Surg 2018 Nov 27. Epub 2018 Nov 27.

Department of Orthopaedic Surgery, Nagoya City University Graduate School of Medical Science, Nagoya, Japan; Department of Sports and Fitness, Faculty of Wellness, Shigakkan University, Obu, Japan. Electronic address:

Background: The differences between young right-handed and left-handed baseball players are not well known. This study compared the range of the shoulder motion and humeral torsion angle (HTA) between right-handed and left-handed young baseball pitchers.

Methods: A total of 65 young baseball pitchers (age, 9-12 years; 46 right-handed throwers, R group; and 19 left-handed throwers, L group) were analyzed. Read More

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November 2018

Outcomes of hyaluronic acid injections for glenohumeral osteoarthritis: a systematic review and meta-analysis.

J Shoulder Elbow Surg 2018 Nov 28. Epub 2018 Nov 28.

Department of Surgery, McMaster University, Hamilton, ON, Canada. Electronic address:

Background: Hyaluronic acid (HA) is an analgesic and chondroprotective agent often used for the nonoperative treatment of osteoarthritis (OA). The effects of HA injections are well studied in the treatment of knee OA, but the effects in glenohumeral OA remain unclear. This study evaluated the efficacy of HA to reduce pain in patients with glenohumeral OA. Read More

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November 2018

The Addition of Glenohumeral Adductors Coactivation to a Rotator Cuff Exercises Program for Rotator Cuff Tendinopathy: A Single-Blind Randomized Controlled Trial.

J Orthop Sports Phys Ther 2018 Nov 30:1-43. Epub 2018 Nov 30.

Faculty of Medicine, University of Sherbrooke, Sherbrooke (QC), Canada.

Study Design: Single-blind, randomized controlled trial.

Background: Treatments for rotator cuff (RC) tendinopathy include RC muscle strengthening to promote better muscle recruitment in order to minimize subacromial narrowing during active movement. Glenohumeral adductors recruitment has also been shown to prevent such narrowing in asymptomatic individuals; therefore, adding glenohumeral adductor coactivation during RC strengthening could enhance the efficacy of RC strengthening. Read More

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November 2018

Shoulder biomechanics of RC repair and Instability: A systematic review of cadaveric methodology.

J Biomech 2018 Nov 14. Epub 2018 Nov 14.

Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA; Carl J. Shapiro Department of Orthopaedic Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA; Department of Orthopaedic Surgery, Yerevan State Medical University, Yerevan, Armenia. Electronic address:

Background: Numerous biomechanical studies have addressed normal shoulder function and the factors that affect it. While these investigations include a mix of in-vivo clinical reports, ex-vivo cadaveric studies, and computer-based simulations, each has its own strengths and limitations. A robust methodology is essential in cadaveric work but does not always come easily. Read More

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November 2018

Characterization of an anatomic safe zone surrounding the lower subscapular nerve during an open deltopectoral approach.

J Shoulder Elbow Surg 2018 Nov 30. Epub 2018 Nov 30.

Department of Orthopaedic Surgery, Penn State Hershey Bone and Joint Institute, Penn State Milton S. Hershey Medical Center, Hershey, PA, USA. Electronic address:

Background: Due to anatomic variance in subscapular nerve innervation patterns, it is theorized that the dysfunction of the subscapularis could be the result of iatrogenic denervation during mobilization of the subscapularis while exposing the anterior glenohumeral joint in anterior surgical approaches. The purpose of this study was to describe innervation patterns of the subscapularis and to characterize a safe zone when conducting an anterior surgical approach.

Methods: The study used 6 human cadaveric shoulder specimens (12 shoulders total). Read More

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November 2018
1 Read

The reachable 3-D workspace volume is a measure of payload and body-mass-index: A quasi-static kinetic assessment.

Appl Ergon 2019 Feb 26;75:108-119. Epub 2018 Sep 26.

Department of Materials and Production, Fibigerstraede 16, Aalborg University, DK-9220, Aalborg East, Denmark. Electronic address:

An experimental protocol with five tasks is proposed for a low-cost empirical assessment of the reachable 3-D workspace (RWS), including both close-to-torso and far-from-torso regions. Ten participants repeated the protocol for four distinct hand payloads. The RWS expressed as a point cloud and its non-convex alpha-shape were obtained for each case. Read More

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February 2019

The lever arm ratio of the rotator cuff to deltoid muscle explains and predicts pseudoparalysis of the shoulder.

Bone Joint J 2018 Dec;100-B(12):1600-1608

Department of Orthopaedics, University of Zurich, Balgrist University Hospital, Zurich, Switzerland; Laboratory for Orthopaedic Biomechanics, ETH Zurich, Zurich, Switzerland.

Aims: In patients with a rotator cuff tear, tear pattern and tendon involvement are known risk factors for the development of pseudoparalysis of the shoulder. It remains unclear, however, why similar tears often have very different functional consequences. The present study hypothesizes that individual shoulder anatomy, specifically the moment arms (MAs) of the rotator cuff (RC) and the deltoid muscle, as well as their relative recruitment during shoulder abduction, plays a central role in pseudoparalysis. Read More

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December 2018
1 Read

Shoulder Anatomy and Normal Variants.

J Belg Soc Radiol 2017 Dec 16;101(Suppl 2). Epub 2017 Dec 16.

University Hospital Brussels, BE.

The shoulder joint is functionally and structurally complex and is composed of bone, hyaline cartilage, labrum, ligaments, capsule, tendons and muscles. It links the trunk to the upper limb and plays an important biomechanical role in daily activities. Indications for imaging of the shoulder have considerably increased in the last few years. Read More

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December 2017
1 Read

Isokinetic Characteristics of Amateur Boxer Athletes.

Front Physiol 2018 14;9:1597. Epub 2018 Nov 14.

Institute of Primary Care, University of Zurich, Zürich, Switzerland.

The kinetic chain of the punch of boxers is characterized by the contribution of the shoulder; however, the isokinetic muscle strength of shoulder's rotators muscles has not been well studied so far, especially with regards to performance. Therefore, the aim of the present study was (a) to profile the isokinetic muscle strength of rotators of the glenohumeral joint, bilateral (BL), unilateral (UL) and functional ratios in amateur boxers, and (b) to examine the variation of these muscle strength characteristics by performance level. Forty male amateur Greek boxers from three division levels (elite, = 22; second division, = 11; and third division, = 7), and 10 non-athletes (control group) were tested, using the isokinetic dynamometer Kin-Com in the scapular seated position under standard conditions. Read More

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November 2018
1 Read

Low inter-observer agreement among experienced shoulder surgeons assessing overstuffing of glenohumeral resurfacing hemiarthroplasty based on plain radiographs.

J Orthop Surg Res 2018 Nov 27;13(1):299. Epub 2018 Nov 27.

Department of Orthopedic Surgery, Herlev & Gentofte Hospital, Herlev Ringvej 75, 2730, Herlev, Denmark.

Background: In a clinical setting, a visual evaluation of post-implant radiographs is often used to assess the restoration of glenohumeral joint anatomy after resurfacing hemiarthroplasty and is a part of the decision-making process, in combination with other parameters, when evaluating patients with inferior clinical results. However, the reliability of this method of visual evaluation has not been reported. The aim of this study was to investigate the inter- and intra-observer agreement among experienced shoulder surgeons assessing overstuffing, implant positioning, and size following resurfacing hemiarthroplasty using plain standardized radiographs. Read More

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November 2018

Clinical and Radiographic Outcomes of a Posteriorly Augmented Glenoid Component in Anatomic Total Shoulder Arthroplasty for Primary Osteoarthritis with Posterior Glenoid Bone Loss.

J Bone Joint Surg Am 2018 Nov;100(22):1934-1948

Department of Orthopaedic Surgery, Orthopaedic & Rheumatologic Institute, Cleveland Clinic, Cleveland, Ohio.

Background: The primary objectives of this study were to evaluate the ability of a posteriorly stepped augmented glenoid component, used in patients with primary glenohumeral osteoarthritis with B2 or B3 glenoid morphology, to correct preoperative retroversion and humeral head subluxation and to identify factors associated with radiographic radiolucency and patient-reported clinical outcomes.

Methods: We identified 71 shoulders with B2 or B3 glenoid morphology that underwent anatomic total shoulder arthroplasty with use of a posteriorly stepped augmented glenoid component and with a preoperative 3-dimensional computed tomography (3D-CT) scan and a minimum of 2 years of clinical and radiographic follow-up. The Penn Shoulder Score (PSS), shoulder range of motion, glenoid center-peg osteolysis, and postoperative version and humeral head subluxation were the main outcome variables of interest. Read More

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November 2018
1 Read

Anterior Shoulder Instability: A Systematic Review of the Quality and Quantity of the Current Literature for Surgical Treatment.

Orthop J Sports Med 2018 Nov 16;6(11):2325967118805983. Epub 2018 Nov 16.

Dalhousie University, Halifax, Nova Scotia, Canada.

Background: Anterior shoulder instability is the most common sequela of shoulder dislocation and can result in repeated dislocations or subluxation of the glenohumeral joint. Anterior shoulder instability can be treated conservatively or surgically with several procedures.

Purpose: To date, arthroscopic Bankart is the most common surgical procedure for the treatment of anterior shoulder instability. Read More

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November 2018
2 Reads

Biomechanics of posterior shoulder instability - current knowledge and literature review.

World J Orthop 2018 Nov 18;9(11):245-254. Epub 2018 Nov 18.

Department of Orthopedic Surgery, New York Presbyterian/Columbia University Medical Center, New York, NY 10032, United States.

Posterior instability of the shoulder is a rare condition and represents about 10% of shoulder instability. It has become more frequently recognized in the last year, even though it is more difficult to diagnose than anterior shoulder instability. As this form of shoulder pathology is somewhat rare, biomechanical knowledge is limited. Read More

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November 2018

MR Arthrogram Features That Can Be Used to Distinguish Between True Inferior Glenohumeral Ligament Complex Tears and Iatrogenic Extravasation.

AJR Am J Roentgenol 2018 Nov 26:1-7. Epub 2018 Nov 26.

1 Department of Radiology, University of California, San Diego Medical Center, San Diego, CA.

Objective: The purpose of this study is to identify features seen at shoulder MR arthrography that distinguish between iatrogenic contrast material extravasation and inferior glenohumeral ligament (IGHL) complex tears.

Materials And Methods: MR arthrograms (n = 1740) were screened for extravasation through the IGHL complex. Cases were defined on the basis of surgical findings or definitive lack of extravasation in a fully distended joint immediately after contrast agent injection. Read More

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November 2018
1 Read

Return to Sports After in Situ Arthroscopic Repair of Partial Rotator Cuff Tears.

Arthroscopy 2018 Nov 22. Epub 2018 Nov 22.

Hospital Italiano de Buenos Aires, Buenos Aires City, Argentina.

Purpose: To evaluate return to sport, clinical outcomes, and complications in a series of athletes with painful partial-thickness rotator cuff tears treated with the arthroscopic in situ repair with a minimum 2-year follow-up.

Methods: Retrospective case series. Seventy-two patients who had undergone an arthroscopic in situ repair for partial-thickness rotator cuff tears were evaluated. Read More

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November 2018

Evaluation of the diagnostic performance of the simple method of computed tomography in the assessment of patients with shoulder instability: a prospective cohort study.

BMC Med Imaging 2018 Nov 23;18(1):45. Epub 2018 Nov 23.

Department of Radiology, PLA general hospital, No.28 Fuxing Road, Haidian District, Beijing, 100000, China.

Background: Physical examinations may reveal the instability of a glenohumeral joint but cannot diagnose the bony Bankart lesions. Soft tissue Bankart lesion cannot be visualized on traditional radiogram. Magnetic resonance images have high cost and availability issues. Read More

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November 2018
6 Reads

Is sleep position associated with glenohumeral shoulder pain and rotator cuff tendinopathy: a cross-sectional study.

BMC Musculoskelet Disord 2018 Nov 23;19(1):408. Epub 2018 Nov 23.

Department of Occupational Science and Technology, University of Wisconsin-Milwaukee, 161 W Wisconsin Ave, Suite 6000, Milwaukee, WI, 53203-2602, USA.

Background: Glenohumeral pain and rotator cuff tendinopathy (RCT) are common musculoskeletal complaints with high prevalence among working populations. The primary proposed pathophysiologic mechanisms are sub-acromial RC tendon impingement and reduced tendon blood flow. Some sleep postures may increase subacromial pressure, potentially contributing to these postulated mechanisms. Read More

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November 2018
7 Reads

The effects of playing two consecutive matches in the shoulder rotational profiles of elite youth badminton players.

Phys Ther Sport 2018 Nov 15;35:56-62. Epub 2018 Nov 15.

Physical Education & Sport Department, Sport Science Faculty, University of Granada, Spain.

Objective: The aim of the present study was to analyse the effects of playing two badminton matches on the same day on the shoulder profile (i.e., range of motion (ROM) and strength) of young badminton players. Read More

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November 2018
3 Reads

Glenohumeral fusion in adults with sequelae of obstetrical brachial plexus injury: a report of eight cases.

J Hand Surg Eur Vol 2018 Nov 22:1753193418812639. Epub 2018 Nov 22.

3 Department of Orthopaedic and Hand Surgery, Saint-Antoine Hospital, Paris, France.

The purpose of this study was to assess the outcomes of glenohumeral fusion performed in adulthood in patients with poor recovery after obstetric brachial plexus injury. We reviewed eight patients with obstetrical brachial plexus injury who had undergone shoulder arthrodesis. The mean age was 28 years (range 16 to 55). Read More

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November 2018

ARTHROSCOPIC LATARJET TECHNIQUE COMBINED WITH ENDOBUTTONS: FUNCTIONAL OUTCOMES IN 26 CASES.

Acta Ortop Bras 2018 ;26(5):328-331

Universidade de São Paulo, Faculdade de Medicina, Department of Orthopedics and Traumatology, São Paulo, SP, Brazil.

Objective: The cause of anterior shoulder instability is not fully understood and surgical management remains controversial. The objective of this study was to evaluate the results of patients undergoing arthroscopic Latarjet procedure with endobuttons.

Methods: A retrospective study of 26 patients undergoing arthroscopic Latarjet procedure with endobuttons to treat anterior shoulder instability. Read More

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January 2018
6 Reads

Microdialysis to quantify inflammatory cytokines in the glenohumeral joint: A brief methods report.

Am J Phys Med Rehabil 2018 Nov 17. Epub 2018 Nov 17.

From the Kessler Foundation, West Orange, NJ (Hogaboom); Department of Physical Medicine and Rehabilitation, Rutgers New Jersey Medical School, Newark, NJ (Hogaboom); Human Engineering Research Laboratories, VA Pittsburgh Healthcare System, Pittsburgh, PA (Worobey, Boninger); Department of Physical Medicine and Rehabilitation, University of Pittsburgh, Pittsburgh, PA (Onishi, Worobey, Boninger); Department of Orthopaedic Surgery, University of Pittsburgh, Pittsburgh, PA (Onishi), Department of Rehabilitation Science and Technology, University of Pittsburgh, Pittsburgh, PA (Boninger).

Microdialysis quantifies in vivo soft-tissue biochemical concentrations via passive diffusion of interstitial molecules through a porous membrane into a dialysate. The purpose of this pilot study was to evaluate a technique to measure inflammatory cytokines associated with rotator cuff tendinopathy by inserting a microdialysis catheter into the posterior glenohumeral joint (GHJ). The technique was tested in a convenience sample of six pain-free, able-bodied Veterans. Read More

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November 2018
3 Reads

The diagnosis and management of shoulder pain.

Authors:
Gina M Allen

J Ultrason 2018 ;18(74):234-239

Oxford University and St Lukes Radiology Oxford Ltd, Oxford, UK.

Diagnosis is crucial in decision-making when treating a patient with shoulder pain. Ultrasound is also very important in the diagnostic and therapeutic pathway, especially when surgery is being considered. This article outlines the diagnostic pathway using the patient's history, physical examination and ultrasound examination. Read More

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January 2018
10 Reads

Shoulder manipulation under targeted ultrasound-guided rotator interval block for adhesive capsulitis.

Skeletal Radiol 2018 Nov 16. Epub 2018 Nov 16.

Orthopaedic Department, Chiltern Hospital, Great Missenden, UK.

Objective: To describe and evaluate the outcome following shoulder manipulation under rotator interval block for the treatment of adhesive capsulitis.

Materials And Methods: Patients with adhesive capsulitis referred by our local orthopaedic shoulder surgeons consented to targeted ultrasound-guided injection of the glenohumeral joint via the rotator interval. Inclusion criteria included a failure to respond to conservative treatment and the absence of a full-thickness rotator cuff tear. Read More

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November 2018
6 Reads

The position of sling immobilization influences the outcomes of anatomic total shoulder arthroplasty: a randomized, single-blind, prospective study.

J Shoulder Elbow Surg 2018 Dec;27(12):2120-2128

Orthopedic Institute, Sioux Falls, SD, USA.

Background: To date, no studies have been published that have assessed the optimal position of sling immobilization after anatomic total shoulder arthroplasty for glenohumeral osteoarthritis.

Methods: Thirty-six patients undergoing anatomic total shoulder arthroplasty for osteoarthritis were randomized to a neutral rotation sling versus an internal rotation sling. The primary outcomes assessed included the Disabilities of the Arm, Shoulder and Hand score; Western Ontario Osteoarthritis of the Shoulder score; Single Assessment Numeric Evaluation score; visual analog scale (VAS) scores for pain and satisfaction; compliance ratings; and radiographic and range-of-motion measurements. Read More

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December 2018

Immediate Effects of Thoracic Spine Manipulation Upon Shoulder Functionality in Patients With Sutured Rotator Cuff Repair: A Prospective Study.

J Manipulative Physiol Ther 2018 Sep;41(7):589-595

Grupo de Clinimetria (AE-14), Facultad de Ciencias de la Salud, Departamento de Fisioterapia, Instituto de Investigación en Biomedicina de Málaga (IBIMA), Universidad de Málaga, Andalucia Tech, Málaga, Spain; School of Clinical Science, Faculty of Health at Queensland Universtity Technology, Brisbane, Australia. Electronic address:

Objectives: The purpose of this study was to evaluate the immediate effect of thoracic spine manipulation upon active flexion and abduction mobility of the shoulder, spine temperature, and the size of the subacromial space as measured by ultrasound in 3 positions (internal, neutral, and external rotation) of the glenohumeral joint in patients who have undergone surgery because of subacromial impingement.

Methods: Quasi-experimental, prospective, short-term effect study with consecutively sampled participants. Thirty-two patients had undergone subacromial decompression together with supraspinatus tendon suture. Read More

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September 2018
1 Read

Shoulder Glenohumeral Elevation Estimation based on Upper Arm Orientation.

Conf Proc IEEE Eng Med Biol Soc 2018 Jul;2018:1481-1484

In this paper, the shoulder glenohumeral displacement during the movement of the upper arm is studied. Four modeling approaches were examined and compared to estimate the humeral head elevation (vertical displacement) and translation (horizontal displacement). A biomechanics-inspired method was used firstly to model the glenohumeral displacement in which a least squares method was implemented for parameter identification. Read More

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July 2018
1 Read

A New Algorithm to Estimate Glenohumeral Joint Location Based on Scapula Rhythm.

Conf Proc IEEE Eng Med Biol Soc 2018 Jul;2018:1476-1480

This work analyzes the human shoulder complex workspace by introducing a new method to estimate the intraarticulation location of the glenohumeral (GH) joint. The proposed algorithm is based on the hypothesis of the GH joint remaining fixed during the first 30 degrees of shoulder elevation. This part of any vertical movement is considered to estimate the center of spherical motions CoS) where the humeral head is located. Read More

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Patient understanding, expectations, outcomes, and satisfaction regarding surgical management of shoulder instability.

Phys Sportsmed 2018 Nov 14:1-4. Epub 2018 Nov 14.

c Orthopaedic Surgery , Tulane University School of Medicine , New Orleans , LA , USA.

Shoulder instability is a common condition encountered by sports medicine and shoulder surgeons. Management can be challenging, both with regards to the underlying pathology and the high expectations associated with the very active patient population that this condition typically affects. High-performance athletes who are used to performing at activity levels which typically challenge the normal physiologic limits of the glenohumeral joint may be particularly difficult to treat. Read More

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November 2018
1 Read

Heterotopic ossification following anterior shoulder dislocation.

BMJ Case Rep 2018 Nov 8;2018. Epub 2018 Nov 8.

Department of Trauma and Orthopaedics, Royal Lancaster Infirmary, Lancaster, UK.

Heterotopic ossification (HO) is the abnormal growth of extraskeletal bone. Joint involvement may result in chronic stiffness and pain causing considerable functional impairment and the inability to perform the activities of daily living. HO affecting the shoulder joint is rare and little is known about its clinical course or treatment. Read More

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November 2018
4 Reads

Changes in propulsion technique and shoulder complex loading following low-intensity wheelchair practice in novices.

PLoS One 2018 9;13(11):e0207291. Epub 2018 Nov 9.

Center for Human Movement Sciences, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.

Background: Up to 80% of wheelchair users are affected by shoulder pain. The Clinical Practice Guidelines for preservation of upper limb function following spinal cord injury suggest that using a proper wheelchair propulsion technique could minimize the shoulder injury risk. Yet, the exact relationship between the wheelchair propulsion technique and shoulder load is not well understood. Read More

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November 2018
3 Reads

The moment arms of the muscles spanning the glenohumeral joint: a systematic review.

J Anat 2018 Nov 8. Epub 2018 Nov 8.

Department of Biomedical Engineering, University of Melbourne, Parkville, VIC, Australia.

The moment arm of a muscle represents its leverage or torque-producing capacity, and is indicative of the role of the muscle in joint actuation. The objective of this study was to undertake a systematic review of the moment arms of the major muscles spanning the glenohumeral joint during abduction, flexion and axial rotation. Moment arm data for the deltoid, pectoralis major, latissimus dorsi, teres major, supraspinatus, infraspinatus, subscapularis and teres minor were reported when measured using the geometric and tendon excursion methods. Read More

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November 2018
5 Reads

Rotator Cuff Repair: Single Row Repair Versus Double Row Repair and Superior Capsular Reconstruction.

Sports Med Arthrosc Rev 2018 Dec;26(4):171-175

The San Antonio Orthopaedic Group, Burkhart Research Institute for Orthopaedics (BRIO), San Antonio, TX.

The surgical management of rotator cuff (RC) tears has progressed considerably in recent decades. Arthroscopic procedures now represent the mainstay of contemporary treatment approaches. The success of repair is predicated upon the achievement of a secure, durable repair that promotes tendon-to-bone healing. Read More

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December 2018
1 Read

3D volumetric MR arthrographic assessment of shoulder joint capacity in patients with primary adhesive capsulitis.

Br J Radiol 2018 Nov 5:20180496. Epub 2018 Nov 5.

1 Department of Radiology, Medical Faculty, Ataturk University , Erzurum , Turkey.

Objective: To evaluate the three-dimensional (3D) volumetric MR arthrographic findings of shoulder joint capacity in patients with primary adhesive capsulitis.

Methods: Thin-section 3D volumetric MR arthrography sequences of the shoulder joint were obtained in 28 patients with clinically and radiologically proven primary adhesive capsulitis and in 25 controls. Volumetric measurements of the total glenohumeral joint capacity, extra-articular contrast material leakage, and the rotator interval, axillary recess, and biceps tendon sheath capacities were performed for the study and control groups. Read More

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November 2018
3 Reads

Clinical effectiveness and safety of the extended humeral head arthroplasty for selected patients with rotator cuff tear arthropathy.

J Shoulder Elbow Surg 2018 Nov 2. Epub 2018 Nov 2.

The Mountain-Whisper-Light Statistics, Seattle, WA, USA.

Background: Cuff tear arthropathy is commonly managed with a reverse total shoulder arthroplasty (RTSA). A humeral hemiarthroplasty with an extended humeral head may provide a less invasive alternative for selected patients with cuff tear arthropathy if the shoulder has preserved active elevation. Because evidence regarding this procedure is limited, we investigated its safety and efficacy in treating selected patients with cuff tear arthropathy. Read More

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November 2018

Superior Capsular Reconstruction Reverses Profound Pseudoparalysis in Patients With Irreparable Rotator Cuff Tears and Minimal or No Glenohumeral Arthritis.

Arthroscopy 2018 Oct 30. Epub 2018 Oct 30.

San Antonio Orthopaedic Group and Burkhart Research Institute for Orthopaedics, San Antonio, Texas, U.S.A.. Electronic address:

Purpose: The purpose of the study was to investigate the rate and magnitude of return of active forward elevation (aFE) of the arm for patients with severe preoperative elevation dysfunction (less than 45° of aFE and termed profound pseudoparalysis) and massive, irreparable (or partially reparable) rotator cuff tears without arthritis treated with arthroscopic superior capsular reconstruction (SCR).

Methods: The period for this retrospective study was October 2014 to October 2016. Inclusion criteria included patients treated arthroscopically for an incompletely reparable massive rotator cuff tear (2 tendons fully torn or tear dimension > 5 cm), preoperative aFE of less than 45° (profound pseudoparalysis) with full passive elevation, an intact or reparable subscapularis tendon, radiographic classification Hamada 0-3, and 12-month clinical follow-up. Read More

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October 2018
1 Read

Musculoskeletal predictors of non-contact injury in cricketers - Few and far between? A longitudinal cohort study.

Phys Ther Sport 2018 Nov 23;34:208-215. Epub 2018 Oct 23.

Cricket South Africa, Cape Town, South Africa; Exercise Science Camp, Sports Medicine, University of Cape Town, Cape Town, South Africa.

Objective: To determine the musculoskeletal risk factors for injury amongst professional, domestic cricket players.

Design: Longitudinal cohort study.

Setting: Medical suites associated with the respective cricket franchises. Read More

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November 2018
2 Reads

MRI vs CT-based 2D-3D auto-registration accuracy for quantifying shoulder motion using biplane video-radiography.

J Biomech 2018 Sep 29. Epub 2018 Sep 29.

Department of Rehabilitation Medicine, Divisions of Rehabilitation Science and Physical Therapy, Medical School, University of Minnesota, MN, USA. Electronic address:

Biplane 2D-3D registration approaches have been used for measuring 3D, in vivo glenohumeral (GH) joint kinematics. Computed tomography (CT) has become the gold standard for reconstructing 3D bone models, as it provides high geometric accuracy and similar tissue contrast to video-radiography. Alternatively, magnetic resonance imaging (MRI) would not expose subjects to radiation and provides the ability to add cartilage and other soft tissues to the models. Read More

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September 2018
1 Read

[Transfer of latissimus dorsi muscle for irreparable posterosuperior rotator cuff defects in older patients : Medium term results].

Unfallchirurg 2018 Oct 31. Epub 2018 Oct 31.

Klinik für Unfall‑, Schulter- und Wiederherstellungschirurgie, Sportmedizin und Sporttraumatologie, Sana Krankenhaus Rummelsberg, Rummelsberg 71, 90592, Schwarzenbruck, Deutschland.

Objective: Is transfer of the latissimus dorsi muscle (LDT) a good option in older patients with irreparable posterosuperior rotator cuff tears?

Material And Method: In 2010-2016 a total of 25 patients without glenohumeral arthritis and non-reconstructable supraspinatus and infraspinatus tendons, a recentered glenohumeral joint with remaining function in anteversion and irreparable posterosuperior rotator cuff defects were treated using LDT at the Rummelsberg Hospital. Of the patients 9 (36%) had in the past 1 or more attempts at reconstruction of the rotator cuff. All other patients (64%) underwent a primary reconstruction using LDT. Read More

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October 2018
8 Reads

Short-term Clinical Outcomes of Hemiarthroplasty With Concentric Glenoid Reaming: The Ream and Run Procedure.

Orthopedics 2018 Nov 29;41(6):e854-e860. Epub 2018 Oct 29.

The purpose of this study was to evaluate the short-term clinical and radiographic outcomes of humeral hemiarthroplasty and concentric glenoid reaming ("ream and run" procedure) and to compare the outcomes with those of total shoulder arthroplasty (TSA) for glenohumeral arthritis. Patients with glenohumeral arthritis who underwent the ream and run procedure with a minimum follow-up of 2 years were retrospectively reviewed. The primary outcome was revision to TSA. Read More

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November 2018
6 Reads

Cost-Effectiveness Analysis of Combined Dual Motor Nerve Transfers versus Alternative Surgical and Nonsurgical Management Strategies to Restore Shoulder Function Following Upper Brachial Plexus Injury.

Neurosurgery 2018 Mar 14. Epub 2018 Mar 14.

Department of Neurological Surgery, Washington University School of Medicine, Saint Louis, Missouri.

Background: Restoration of shoulder function is an important treatment goal in upper brachial plexus injury (UBPI). Combined dual motor nerve transfer (CDNT) of spinal accessory to suprascapular and radial to axillary nerves demonstrates good functional recovery with minimal risk of perioperative complications.

Objective: To evaluate the cost-effectiveness of CDNT vs alternative operative and nonoperative treatments for UBPI. Read More

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March 2018
7 Reads

Efficacy of the Rotational Traction Method in the Assessment of Glenohumeral Cartilage Surface Area in Computed Tomography Arthrography.

J Comput Assist Tomogr 2018 Oct 26. Epub 2018 Oct 26.

Department of Orthopedics and Traumatology, Medical Faculty, Ataturk University, Erzurum, Turkey.

Objective: We aimed to investigate the efficacy of the rotational traction method in expanding the joint space and enabling the assessment of an extended surface area.

Methods: Sixty patients who underwent computed tomography arthrography were evaluated in the study: 30 with and 30 without the help of rotational traction. The subgroups consisted of patients with adhesive capsulitis, habitual luxation, or labral tears. Read More

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October 2018
2 Reads

Influence of thoracic posture on scapulothoracic and glenohumeral motions during eccentric shoulder external rotation.

Gait Posture 2019 Jan 19;67:207-212. Epub 2018 Oct 19.

Department of Physical Medicine and Rehabilitation, Tohoku University Graduate School of Medicine, 2-1 Seiryo-cho, Aoba-ku, Sendai, 980-8575, Japan; Graduate School of Biomedical Engineering, Tohoku University, 2-1, Seiryo-machi, Sendai, 980-8575, Japan. Electronic address:

Background: Throwing injuries to the shoulder joint often occur during shoulder external rotation. An appropriate combination of thoracic, scapular, and humeral motion during throwing is important to prevent such injuries, but it is unclear how thoracic posture contributes to shoulder motion during throwing.

Research Question: The purpose of this study, therefore, was to clarify the influence of thoracic posture on scapulothoracic and glenohumeral motion during shoulder external rotation. Read More

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January 2019
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Effects of an anteroposterior mobilization of the glenohumeral joint in overhead athletes with chronic shoulder pain: A randomized controlled trial.

Musculoskelet Sci Pract 2018 12 25;38:91-98. Epub 2018 Sep 25.

Physical Therapy Department, University of Alcalá, Alcalá de Henares, Madrid, Physiotherapy and Pain Group, Spain.

Background: Passive oscillatory mobilizations are often employed by physiotherapists to reduce shoulder pain and increase function. However, there is little data about the neurophysiological effects of these mobilizations.

Objectives: To investigate the initial effects of an anteroposterior (AP) shoulder joint mobilization on measures of pain and function in overhead athletes with chronic shoulder pain. Read More

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December 2018
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