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Living with Rippling muscle disease 1

An inherited muscle condition in which tapping or stretching a muscle triggers contractions that make visible ripples.

Understanding Rippling muscle disease 1

Rippling muscle disease 1 (RMD1) is an inherited muscle condition in which mechanical triggers make skeletal muscles contract.

In this condition, touching or stretching a muscle sets off contractions that spread to nearby muscle fibers. This causes visible ripples across the muscle.

Signs & symptoms

GARD doesn't list specific symptoms for this condition. Its summary describes visible ripples moving over the muscle.

  • Contractions triggered by touching or stretching a muscle
  • Visible ripples moving over the muscle

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

    Your doctor may refer you to a specialist who knows rare conditions.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
A doctor familiar with rare conditions, plus specialists as needed
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
Is genetic testing available for this condition?
What triggers should I try to avoid?
Which specialist should follow my muscle symptoms?

Quick facts

InheritanceAutosomal Dominant

GARD says the change that causes RMD1 maps to chromosome 1q41. It is autosomal dominant, so one changed copy of a gene can be enough.

Also known as: rippling muscle disease-1; rmd1

Patient organizations

Rare-disease groups that can help

Source: NIH GARD · Rippling muscle disease 1GARD ID 9165 · 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 Rippling muscle disease 1.

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  • 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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