What is the Rotator Cuff?
The rotator cuff is a group of four muscles that work together to provide stability and movement to your shoulder joint. Often referred to as the SITS muscles, they are:
- Supraspinatus: Helps lift your arm away from your body (abduction).
- Infraspinatus: Rotates your arm outward (external rotation).
- Teres minor: Also assists with external rotation.
- Subscapularis: Rotates your arm inward (internal rotation).
Your shoulder joint as a ball and socket. The rotator cuff covers the head of your upper arm bone (humerus), keeping it securely in place within the socket (shoulder blade). This allows for a wide range of motion while preventing the shoulder from dislocating.
Common Signs of Rotator Cuff Injury
Do you experience shoulder pain, especially when lifting your arm overhead? This could be a sign of a rotator cuff tear.
Symptoms
- Pain: A dull ache at rest that worsens with movement, particularly overhead activities.
- Weakness: Difficulty lifting your arm or performing daily tasks.
- Limited range of motion: Inability to fully move your shoulder.
- Night pain: Discomfort while sleeping on the affected side.
Causes
Rotator cuff tears can occur due to:
- Acute injuries: Sudden, forceful movements, such as those involved in sports like tennis or weightlifting.
- Overuse injuries: Repetitive overhead motions can gradually damage the rotator cuff.
- Degenerative changes: Age-related wear and tear on the tendons can lead to tears.
It’s important to consult with a healthcare professional for an accurate diagnosis. While the symptoms described above are common, other shoulder conditions may present similar signs.
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