Bethlem Myopathy

Also known as: muscular dystrophy, collagen VI-related myopathy.

What is bethlem myopathy?

Bethlem myopathy is a form of muscular dystrophy that causes joint stiffness and muscle weakness that gradually becomes worse over time. It often affects the feet, hands and elbows.

What causes bethlem myopathy?

Bethlem myopathy is caused by genetic mutations. These are passed down from parents to their children.

What are the symptoms of bethlem myopathy?

The wrists, elbows, fingers and ankles are the body parts primarily affected by Bethlem myopathy. Joint stiffness and muscle weakness that gradually worsen over time are the primary symptoms. Skin abnormalities are also common.

What are bethlem myopathy care options?

Physical therapy, stretching, assistive devices and other forms of therapy can help people live with the symptoms of Bethlem myopathy.


Reviewed by: Trevor J Resnick, MD

This page was last updated on: September 16, 2025 12:35 PM

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