Julian J. Sonnenfeld, MD

03/02/2026

Clinical Challenges in Managing Shoulder Osteoarthritis and Suprascapular Neuropathy.

Chronic shoulder pain is a common and multifactorial condition. Suprascapular nerve neuropathy, although relatively uncommon, may lead to pain, weakness, and muscle atrophy as a result of extrinsic compression, trauma, or inflammation. When it occurs in the presence of glenohumeral osteoarthritis, o...

02/23/2026

Ulnar Nerve Lesions: Causes and Treatments of Nerve Damage.

An ulnar nerve injury (sometimes called an ulnar nerve lesion) can cause pain and numbness in your arm. Your arm might also feel weak if you hurt the nerve.

02/16/2026

Treatment Options for Calcific Tendonitis of the Shoulder.

Calcific tendonitis is a common source of shoulder pain and can be a frustration given the severity of pain and the duration of symptoms. However, the news is not all bad. On a positive note, the vast majority of patients do find relief with nonsurgical treatments for this condition.

02/09/2026

Preventing Shoulder Pain After Vaccine Injection (SIRVA).

Shoulder pain is a common side effect of a vaccine. Usually, it gets better fairly quickly and causes no long-term problems. However, some people develop a rare problem called shoulder injury related to vaccine administration (SIRVA).

02/02/2026

8 Causes of Collarbone Pain.

Collarbone fractures are very common, accounting for 5% to 10% of all bone breaks. This type of injury often results from a fall in which you land on your arm or shoulder. It can also happen if you get into an accident, like a car crash.

01/19/2026

The 4 Stages of Frozen Shoulder.

A frozen shoulder, also called adhesive capsulitis, is a very common cause of shoulder pain. Frozen shoulder can take a long time to heal, anywhere from six months to 2 years. The four stages of frozen shoulder include pre-freezing, freezing, frozen, and thawing. These terms describe the typical pro...

01/12/2026

Meniscal Tear Repair: What’s New in the Literature?

Meniscal tear repair has become the gold standard modality for treating different types of meniscal tears. Despite the availability of numerous repair techniques, the ideal approach remains unclear, especially for complex and irreparable tears. Recently, innovative techniques have emerged to address...

01/05/2026

Traumatic Versus Atraumatic Causes of Shoulder Impingement Syndrome: A Systematic Review of Pathophysiology and Outcomes.

Shoulder impingement syndrome (SIS) is a common musculoskeletal disorder caused by traumatic or atraumatic factors, resulting in pain, functional limitation, and reduced quality of life. This systematic review aimed to summarize the pathophysiology, anatomical changes, and functional outcomes of tra...

01/01/2026

Wishing you and your family a happy and healthy new year!

12/29/2025

What Causes Infraspinatus Pain and How Can You Treat It?

The infraspinatus muscle works alongside three other rotator cuff muscles to stabilize and move the shoulder. This triangular-shaped structure primarily externally rotates the arm. This means it rotates the arm toward the outside of the body. It also assists with moving the scapula (shoulder blade)....

12/26/2025

Is Sleeping on Your Side Causing Shoulder Pain?

Side sleeping comes with many benefits. It keeps your airways open, which minimizes snoring and sleep apnea symptoms. The potential drawback? You might experience shoulder pain from sleeping on your side because you’re putting weight on one shoulder for several hours.

12/22/2025

Happy Holidays! We wish you and your family a joyful holiday season!