Related Experiment Video
Updated: Jan 20, 2026

Reverse Total Shoulder Arthroplasty
Published on: July 5, 2011
A Clinical Vignette of Insidious Shoulder Pain and Weakness
1From the Case Western Medical University, MetroHealth Medical Center, MetroHealth Rehabilitation Institute of Ohio, Cleveland, Ohio.
Abstract:
We present a case of a 53-yr-old woman presenting with insidious shoulder pain and weakness. This case will go through the physical examination of the shoulder, a broad differential diagnosis, and analysis of appropriate imaging and tests to culminate in determining the final diagnosis. The objective of this clinical vignette was to highlight the importance of obtaining an extensive differential for shoulder pain and give readers a chance to critically analyze the case findings through electromyography interpretation, evaluating neurological signs and identifying key points in history taking. In addition, readers will also learn the evidence behind the available treatment options.
Related Concept Videos
10:10Reverse Total Shoulder Arthroplasty
05:52Clinical Efficacy of Small Needle Knife Therapy on Stage I-II Frozen Shoulder
Shoulder Exam I
Examination of the shoulder can be complex, because it actually consists of four separate joints: are the glenohumeral (GH) joint, the acromioclavicular (AC) joint, the sternoclavicular joint, and the scapulothoracic joint. The GH joint is primarily responsible for shoulder motion and is the most mobile joint in the body. It has been likened to a golf ball sitting on a tee and is prone to instability. It is held in place...
Intra-articular Shoulder Injection for Reduction Following Shoulder Dislocation
The anterior shoulder dislocation is one of the most common joint dislocations seen in emergency settings. In anterior shoulder dislocation, the humeral head is displaced out of the glenohumeral joint in front of the scapular glenoid, resulting in a loss of the articulation between the arm and the rest of the shoulder. This can be caused by a fall onto an abducted, extended, and externally...
Weak Base Solutions
Weak Acid Solutions
