Julian J. Sonnenfeld, MD

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!

12/22/2025

Q&A: How sports-related concussions affect reaction times.

When playing sports, it's important to remember: Brains don't have seat belts. When rapid acceleration or deceleration of the brain inside the skull occurs with a blow to the head, a concussion happens, which in some cases can lead to lasting impacts on motor and cognitive skills needed to keep athl...

12/19/2025

What Happens to Your Body When You Play Tennis Regularly.

Research shows tennis may extend lifespan and improve heart health, bone strength, mobility, and social connection. While injuries, cost, and access can be drawbacks, experts agree that tennis provides broad health benefits.

11/27/2025

Wishing you and your family a wonderful Thanksgiving!

11/21/2025

What to know about deltoid pain.

The deltoid is a large muscle responsible for lifting the arm and giving the shoulder its range of motion. Pain in this area may be due to issues like overuse or injury.

11/12/2025

Tips for healing a sprained ankle fast.

Sprained ankles can be very painful, and severe sprains can require months of recovery. However, a person can take several steps at home to help speed their healing and reduce the risk of re-injury.