Shoulder Tendinitis

The rotator cuff tendonitis is a common source of pain in the shoulder. Pain can be the result of:

  • Tendinitis- The rotator cuff tendons can be irritated or damaged.
  • Bursitis- The bursa can become inflamed and swell with more fluid, causing pain.
  • Impingement- When you raise your arm to shoulder height, the space between the acromion and rotator cuff narrows. The acromion can rub against (or “impinge” on) the tendon and the bursa, causing irritation and pain.

Rotator cuff pain is common in both young athletes and middle-aged people. Young athletes who use their arms overhead for swimming, baseball, and tennis are particularly vulnerable to shoulder tendinitis. Those who do repetitive lifting or overhead activities using the arm, such as paper hanging, construction, or painting are also susceptible.

Pain may also develop as the result of a minor injury. Sometimes, it occurs with no apparent cause.

Symptoms

Rotator cuff pain commonly causes local swelling and tenderness in the front of the shoulder. You may have pain and stiffness when you lift your arm. There may also be pain when the arm is lowered from an elevated position.

Beginning symptoms may be mild. Patients frequently do not seek treatment at an early stage. These symptoms may include:

  • Minor pain that is present both with activity and at rest
  • Pain radiating from the front of the shoulder to the side of the arm
  • Sudden pain with lifting and reaching movements
  • Athletes in overhead sports may have pain when throwing or serving a tennis ball

As the problem progresses, the symptoms increase:

  • Pain at night
  • Loss of strength and motion
  • Difficulty doing activities that place the arm behind the back, such as buttoning or zippering

If the pain comes on suddenly, the shoulder may be severely tender. All movements may be limited and painful.

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