Multidisciplinary Shoulder & Elbow Society Library

Our comprehensive library has everything you need to help you better understand your patients' shoulder or elbow problems.

Adhesive Capsulitis: Historical Definitions adhesive capsulitis codman frozen shoulder historical definitions

Shoulder stiffness is a general term encompassing a spectrum of pathology. The first recorded description of a stiff shoulder was reported by Duplay2 in 1872 in his description of a ‘scapulohumeral pe...

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Clinical Pearls: Rotator Cuff & Deltoid Force Couple clinical pearls deltoid force couple rotator cuff

Reddy et al.1 compared subjects with subacromial impingement and subjects with normal shoulders with respect to muscle activity. Fifteen subjects in each group were studied by means of fine-wire elect...

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Subacromial Impingement Examination Tests cross-body adduction test drop-arm sign empty can external rotation resistance hawkins-kennedy lift-off test neer's sign orthopaedic special tests painful arc rotator cuff related pain shoulder pain subacromial impingement

Subacromial Impingement Examination Tests 

Hawkins-Kennedy test: Shoulder is flexed to 90 degrees and then internally rotated with elbow flexed to 90 degrees. Positive test indicates pain with intern...

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Case of the Week: Atraumatic Lateral Shoulder Pain in a 59F case of the week case study rotator cuff related pain subacromial impingement

Case of the Week: Atraumatic Lateral Shoulder Pain in a 59F

CC: Atraumatic Lateral Shoulder Pain in a 59F.

HPI: This 59-year-old female has had a 1 year atraumatic history of lateral shoulder pain. ...

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Research Article of the Week: Subacromial Impingement Definition rotator cuff related pain rotator cuff tendinopathy shoulder pain subacromial impingement subacromial pain syndrome

Research Articles of the Week

Subacromial Impingement Definition

Rotator cuff related pain has many different names. There’s rotator cuff tendinopathy, rotator cuff disease, rotator cuff related dis...

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The Orthopaedic Dunning-Krugger Effect continous learning continuing education dunning-krugger effect orthopaedics shoulder & elbow specialists

The Dunning-Krugger Effect

Aristotle famously wrote, "The more you know, the more you realize you don't know."

As clinicians, as we gain experience our confidence follows the graph. 

Initially, our...

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Quiz Question of the Week: Superior Glenohumeral Ligament anatomy glenohumeral joint glenohumeral ligament shoulder

The superior glenohumeral ligament is under the greatest stress when the humeral head and arm are in which of the following positions:

a. Anteriorly translated with the arm in 90 degrees of abduction...

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Glenohumeral Joint Anatomy anatomy bursa capsule glenohumeral joint ligaments muscles shoulder synovial membrane

Glenohumeral Joint Anatomy

(Image Credit: By Henry Vandyke Carter - Henry Gray (1918) Anatomy of the Human Body (See "Book" section below)Bartleby.com: Gray's Anatomy, Plate 326, Publi...

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Spurling Test cervical spine cervicogenic pain myofascial pain neck pain orthopaedic special test radiculopathy shoulder pain spurling test upper trapezius

Orthopaedic Special Test

Spurling Test

We can recreate the patient’s radicular symptoms by stretching the nerve root, such as coughing, sneezing, Valsalva, and certain cervical movements and positio...

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Case of the Week: Upper Trapezius Pain in 49F case of the week case study cervical spine cervicogenic pain myofascial pain shoulder pain upper trapezius

Case of the Week

Upper Trapezius Pain in 49F

 Image Credit: By RSatUSZ - PACS UniversitätsSpitalZürich, CC BY-SA 4.0, Wikimedia Commons. 

 

CC: Upper trapezius pain in a 49F after a traumatic inju...

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The Screw Axes for the Glenohumeral Joint instability screw axes glenohumeral joint shoulder motion shoulder stability stable shoulder

The Screw Displacement Axis (SDA) method offers a unique advantage when analyzing glenohumeral joint motion. It utilizes the concept of either the intersection point or the midpoint of the common perp...

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