AC Joint Separation Treatment in New York & Connecticut

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We are an out-of-network practice focused on delivering individualized, concierge-level orthopedic care.

AC Joint Separation Treatment

At Plancher Orthopaedics & Sports Medicine, we understand how disruptive an AC joint shoulder separation can be. Whether you’re an athlete, a weekend warrior, or someone who experienced a sudden fall, shoulder pain and limited motion can interfere with your lifestyle and routines. With locations in both New York and Connecticut, we offer advanced, personalized care to help restore your shoulder’s strength, comfort, and stability so you can move forward with confidence.

What Is an AC Joint Separation?

An AC (acromioclavicular) joint separation occurs when the ligaments connecting the collarbone (clavicle) to the shoulder blade (acromion) are stretched or torn, often due to a fall or direct impact. The result can be pain, loss of function, and in some cases, visible changes in the shape of the shoulder.  

We use the Rockwood classification system to determine the severity of the injury:

  • Grade I–II: Mild sprains or partial tears
  • Grade III: Complete separation, often managed without surgery
  • Grade IV–VI: Severe ligament damage with displacement that may require surgical repair

Common Causes of AC Joint Separation

AC joint separation can happen in several ways, but the most common causes we see include:

  • Falling directly on the shoulder
  • Collisions during contact sports like football or hockey
  • Landing on an outstretched arm
  • Workplace or recreational accidents
Even one sudden impact can compromise the stability of your shoulder joint and cause long-term issues if left untreated.

Recognizing the Symptoms

Symptoms of AC joint separation are usually clear but easy to overlook. We encourage you to watch for:

  • Pain at the top of the shoulder
  • A visible bump or swelling
  • Reduced range of motion, especially when lifting or reaching overhead
  • Tenderness or bruising around the joint
  • A sense of weakness or instability
Identifying these signs early is key to managing the injury and avoiding chronic shoulder dysfunction.

How We Diagnose AC Joint Injuries

Our diagnostic approach begins with a detailed evaluation of how the injury occurred, followed by a hands-on physical examination to assess tenderness, joint position, and movement.

We typically use imaging, such as X-rays, and in some cases, MRI or CT scans, to confirm the diagnosis. In certain situations, we may also order weight-bearing X-rays to highlight joint instability that might not appear otherwise.

Treatment Options: Customized for You

We tailor treatment for AC separation based on the injury grade, your lifestyle, and your goals for recovery.

Non-Surgical Care

For Grade I–III injuries, non-surgical treatment is often highly effective:

  • Short-term use of a sling to support healing
  • Ice and anti-inflammatory medications to manage discomfort
  • Personalized physical therapy to rebuild strength and mobility
  • Gradual return to daily or athletic activity

This approach allows many of our patients with a shoulder injury to regain full shoulder function without the need for surgery.

Surgical Solutions

When the injury involving the cc ligaments s more severe or conservative treatment isn’t enough, surgery may be recommended. Our procedures aim to restore normal alignment and stability using advanced techniques such as:

  • AC joint reconstruction using suture loops or tendon grafts
  • Minimally invasive arthroscopy when appropriate
  • Ligament stabilization and repair to prevent future joint displacement
We discuss all options regarding your acromioclavicular joint injury in detail so you can make an informed decision with our guidance.

What to Expect During Recovery

Recovery, especially from a type IV injury, is a journey – and we’re with you every step of the way:

  • Early Phase: Immobilization, comfort measures, and initial mobility work
  • Mid Phase: Guided therapy to improve motion and muscle control
  • Late Phase: Strength building and return-to-activity exercises tailored to your goals
Non-surgical recovery from severe pain typically takes 6 to 12 weeks, while surgical rehabilitation can span 4 to 6 months, depending on the injury.

How We Help Prevent Future Injuries

We believe in treating more than just the injury – we help reduce the risk of it happening again. Our prevention strategies include:  

  • Strengthening the rotator cuff and supporting shoulder muscles
  • Enhancing joint mobility through targeted stretching
  • Customized warm-up routines to reduce stress on the AC joint

These programs are especially important for athletes or those recovering from mild shoulder separation in physically demanding roles.

Why Choose Plancher Orthopaedics & Sports Medicine?

  • Specialized Expertise: We treat AC joint injuries every day and understand the demands of high-performance movement
  • Advanced Diagnostics: Our in-office imaging helps us deliver fast, accurate diagnoses
  • Faster Radiology Times: MRI, CT scan, X-rays, and other important results within 24-48 hours
  • Minimally Invasive Options: We prioritize techniques that promote healing with less disruption
  • Rehabilitation Support: Our integrated care team ensures a smooth recovery from start to finish
  • Accessible Care: With locations in New York and Connecticut, expert help is always within reach

Schedule a Consultation Today

If you’re experiencing pain, swelling, or a visible bump near the arm bone in your shoulder following an injury, don’t wait. Early evaluation can make a meaningful difference in your outcome.
  • New York Office: 1160 Park Avenue, New York, NY 10128 | (646) 687-9066
  • Connecticut Office: 31 River Road, Suite 102, Cos Cob, CT 06807 | (203) 863-2003
At Plancher Orthopaedics & Sports Medicine, we’re here to help you restore comfort, mobility, and confidence in your acromioclavicular ligament – so you can return to life without limits. Schedule An Appointment with us today and let’s take the next step together.
Dr. Kevin Plancher

Frequently asked questions

An AC joint separation occurs when the collarbone becomes separated from the upper part of the shoulder blade, resulting from damage to the ligaments in that area. This injury can lead to pain and instability in the shoulder.

Common symptoms of AC joint separation include joint pain, shoulder pain, swelling, bruising, and a prominent bump above the shoulder.

AC joint separation is diagnosed through a thorough assessment of the injury history, a physical examination for torn ligaments, and imaging tests like X-rays or CT scans. This process ensures an accurate evaluation of the condition.

Non-surgical treatment options for AC joint separation primarily involve rest, ice application, immobilization with a sling, pain management through medication, and rehabilitation through physical therapy focused on the AC ligaments. These methods aim to alleviate pain and facilitate recovery.

Surgery is necessary for AC joint separation when there are complete ligament tears, particularly in Grade III injuries that fail to improve with conservative treatment. Prompt surgical intervention is crucial in these cases to restore stability and function.

We are an out-of-network practice focused on delivering individualized, concierge-level orthopedic care.