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Living with X-linked scapuloperoneal muscular dystrophy

An inherited muscle condition that causes weakness and thinning of muscles in the lower legs and around the shoulder blades.

Understanding X-linked scapuloperoneal muscular dystrophy

X-linked scapuloperoneal muscular dystrophy is an inherited muscle condition that weakens the lower legs and the area around the shoulder blades.

This condition causes weakness and wasting (thinning) of muscles in the lower legs and near the shoulder blades. In some people, the face muscles are affected too. GARD lists the usual onset as adulthood.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Weaker reflexes (hyporeflexia)
  • Foot drop (weakness lifting the front of the foot)
  • Weakness and wasting of lower leg muscles
  • Weakness of muscles around the shoulder blades
  • Sometimes weak face muscles

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include brain and nervous system specialists and genetic specialists.

  3. Consider genetic testing

    Changes in FHL1 are linked to this condition. Genetic testing and counseling can help confirm a diagnosis and explain what it means for your family.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists)
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with rare disease patient organizations for support
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Could genetic testing of the FHL1 gene confirm my diagnosis?
What can help with foot drop and walking?
Should my heart be checked, since a heart rhythm finding is listed?

Quick facts

Symptoms usually startAdult
InheritanceX-Linked
GenesFHL1

Some cases are caused by changes in the FHL1 gene. These are inherited in an X-linked dominant way, meaning the gene is on the X chromosome.

GeneticNeurological

Also known as: scapuloperoneal myopathy, fhl1-related; scapuloperoneal myopathy, x-linked dominant, x-linked dominant; x-linked scapuloperoneal syndrome; x-linked spmd

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · X-linked scapuloperoneal muscular dystrophyGARD ID 7608 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with X-linked scapuloperoneal muscular dystrophy.

Explore the X-linked scapuloperoneal muscular dystrophy blog

Explore research for X-linked scapuloperoneal muscular dystrophy

Explore actively recruiting X-linked scapuloperoneal muscular dystrophy studies with HealthSpark.

HealthSpark

Find actively recruiting studies for X-linked scapuloperoneal muscular dystrophy with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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