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Shoulder

Rotator Cuff Tear

Rotator cuff tears are one of the most common causes of shoulder pain and disability. These injuries affect the tendons that help lift and rotate the arm, and when damaged, they can lead to weakness, loss of motion, and significant discomfort. Understanding the anatomy of the rotator cuff, the types of tears, symptoms, causes, and available treatments can help guide patients through the recovery process and improve outcomes.

The shoulder is a ball-and-socket joint made up of three bones:

  • Humerus (upper arm bone)
  • Scapula (shoulder blade)

The rotator cuff is a group of four muscles and their tendons that surround the shoulder joint:

  1. Supraspinatus
  2. Infraspinatus
  3. Teres minor
  4. Subscapularis

These muscles stabilize the shoulder and help lift and rotate the arm. The tendons of these muscles attach to the head of the humerus and form a “cuff” over the top of the shoulder. The supraspinatus is most commonly involved in rotator cuff tears.

Rotator cuff tears vary in size, severity, and cause. Understanding the classification helps determine treatment options.

Partial vs. Full-Thickness Tears

  • Partial-thickness tear: The tendon is damaged but not completely torn or detached from the bone. Some tendon fibers remain attached.
  • Full-thickness tear: The tendon is completely separated from the bone. This may also be referred to as a complete tear.

Acute vs. Chronic Tears

  • Acute tear: Happens suddenly, often due to trauma (e.g., falling on an outstretched arm, lifting something heavy). These are more common in younger, active individuals.
  • Chronic tear: Develops over time due to repetitive stress, degeneration, or poor blood supply. Seen more often in adults over 40 and older populations.

Some tears may be a combination — chronic degeneration worsened by an acute injury.

Causes:

  • Repetitive overhead activity (e.g. manual laborers, athletes)
  • Heavy lifting or sudden pulling
  • Falling on the shoulder or arm
  • Age-related degeneration
  • Bone spurs (impingement of the tendon)

Risk Factors:

  • Age > 40
  • Smoking (affects tendon healing)
  • Poor posture
  • Previous shoulder injuries
  • Family history
  • Certain sports (e.g., baseball, tennis, swimming)

Common signs and symptoms include:

  • Shoulder pain, especially with overhead activity or at night
  • Weakness lifting or rotating the arm
  • Limited range of motion
  • Painful clicking or popping sensation
  • Difficulty sleeping on the affected side
  • Muscle atrophy (in chronic cases)

In acute tears, the onset of pain is usually sudden and severe, sometimes accompanied by a snapping sound. In chronic cases, symptoms gradually worsen over time.

Your doctor will perform a physical examination, assess your range of motion and strength, and ask about your symptoms and activity level.

Imaging studies may include:

  • X-rays – rule out fractures and may show signs of chronic degeneration or bone spurs.
  • Ultrasound – can evaluate tendon integrity and muscle quality. Limited use for surgical planning
  • MRI (Magnetic Resonance Imaging) – the most accurate test for identifying the size, location, and extent of the tear and assessing surrounding structures.

Many rotator cuff tears, especially partial-thickness or small full-thickness tears, can be treated without surgery. Nonoperative treatment is often the first line of care, particularly for older adults or those with low physical demands.

Nonoperative treatment can be very effective, especially for partial tears or patients with low activity demands. However, it does not “heal” the tear, and some tears may enlarge over time if not addressed.

Physical Therapy

  • Focuses on restoring range of motion, strengthening surrounding muscles, and improving shoulder mechanics.
  • Often involves 6–12 weeks of guided exercises.

Medications

  • Nonsteroidal anti-inflammatory drugs (NSAIDs) such as ibuprofen or naproxen can reduce pain and swelling.

Activity Modification

  • Avoiding overhead activities and heavy lifting to allow the shoulder to rest and heal.

Corticosteroid Injections

  • Can reduce inflammation and provide temporary pain relief.
  • May help to augment physical therapy
  • Not a cure, repeated injections can be considered depending on response and patient specific symptoms

Surgery may be recommended if:

  • The tear is large or full-thickness
  • Nonoperative treatments fail after 3–6 months.
  • The patient is young and active.
  • There is significant weakness or loss of function.
  • The tear was caused by a recent, or acute, trauma.

Types of Surgical Repair:

  1. Arthroscopic Rotator Cuff Repair
    • Minimally invasive.
    • Surgeons use small instruments and a camera to repair the tendon through small incisions.
  2. Partial Repair
    • In cases where a full repair isn’t possible, surgeons may repair what they can to restore function.
    • Aims to rebalance the shoulder joint.

Arthroscopic Debridement and Biceps Tenotomy/Tenodesis

  • For low-demand patients or irreparable tears.
  • Cleans the joint and removes damaged tissue.
  • Biceps tendon may be released or reattached to relieve pain.

Tendon Transfer

  • Transfers another tendon (e.g., latissimus dorsi or lower trapezius) to replace the torn rotator cuff function.
  • Used in young, active patients with irreparable posterosuperior tears.

Superior Capsular Reconstruction (SCR)

  • Uses a graft to stabilize the shoulder and prevent the humeral head from riding upward.
  • Best suited for irreparable tears with preserved joint cartilage.

Subacromial ballon/spacer

  • Helpful in irreparable rotator cuff tears with maintained shoulder motion
  • Procedure geared primarily towards pain relief

Post-surgical rehab is essential and usually involves 3 phases:

  1. Immobilization Phase (0–6 weeks): Shoulder in a sling, gentle passive motion.
  2. Active Motion Phase (6–12 weeks): Gradual return to normal range of motion.
  3. Strengthening Phase (3–6 months): Focus on restoring full function and strength.

Most patients can return to desk work in 1–2 weeks and more physically demanding jobs after 4–6 months.

Full recovery may take up to 12 months.

  • Nonoperative outcomes: Many patients, especially older individuals or those with smaller tears, experience good pain relief and functional improvement.
  • Surgical outcomes: Success rates are high, particularly when surgery is performed early for full-thickness tears. Studies show:
    • 80–90% of patients achieve pain relief and improved function.
    • Re-tear rates vary (5–40%) depending on tear size, age, and tendon quality.
    • Outcomes are better in healthy, non-smokers, under 65 with smaller tears.
  • Key factors influencing success:
    • Timing of surgery
    • Commitment to rehabilitation
    • Size and chronicity of the tear
    • Muscle quality (fatty degeneration or atrophy may reduce success)

Contact your provider if:

  • You experience sudden shoulder pain and weakness after an injury.
  • You have chronic shoulder pain that limits daily activities.
  • You’re unable to raise or rotate your arm.
  • Your symptoms persist or worsen despite rest and therapy.

Rotator cuff tears are common and can significantly impact shoulder function and quality of life. While many can be managed successfully without surgery, full-thickness or symptomatic tears may require surgical intervention. With proper diagnosis, individualized treatment, and a strong commitment to rehabilitation, most patients can return to an active, pain-free life.

At a Glance

Dr. Hasani Swindell

  • Fellowship-Trained Sports Medicine Specialist
  • Board-Certified Orthopedic Surgeon
  • Summa Cum Laude Graduate from the University of Pittsburgh
  • Medical Degree from Columbia University
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