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Living with Autosomal recessive limb-girdle muscular dystrophy type 2D

An inherited muscle condition with slowly worsening weakness in the shoulders and hips, starting in childhood.

Understanding Autosomal recessive limb-girdle muscular dystrophy type 2D

Autosomal recessive limb-girdle muscular dystrophy type 2D is an inherited muscle condition with weakness of the shoulder and hip muscles.

It starts in childhood and slowly worsens. It can make walking harder and cause shoulder blades to stick out, enlarged calves, and tight Achilles tendons that lead to toe walking. Heart and breathing involvement is rare.

Signs & symptoms

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

  • Weakness in upper arm and upper leg muscles
  • Frequent falls
  • Trouble climbing stairs
  • Winged shoulder blades (scapular winging)
  • Toe walking and tight Achilles tendons
  • Enlarged calf 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, genetic specialists and heart and blood vessel specialists.

  3. Consider genetic testing

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

  4. Connect with expert centers

    Muscular Dystrophy Association, The Speak Foundation and Children's Cardiomyopathy Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists); Heart and blood vessel specialists (cardiologists)
Expert care
Expert lists: Muscular Dystrophy Association, The Speak Foundation, Children's Cardiomyopathy Foundation
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 Muscular Dystrophy Association and other patient organizations
  • 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
Can genetic testing for the SGCA gene confirm the diagnosis?
Would stretching or therapy help with tight Achilles tendons?
Should my heart and breathing be checked occasionally?

Quick facts

Symptoms usually startChild and as a Teenager
InheritanceAutosomal Recessive
GenesSGCA

It is caused by changes in the SGCA gene. It is autosomal recessive, so a child inherits a changed copy of the gene from each parent.

GeneticNeurological

Also known as: adhalinopathy, primary; alpha-sarcoglycan-related lgmd r3; alpha-sarcoglycan-related limb-girdle muscular dystrophy r3; alpha-sarcoglycanopathy lgmd2d (limb girdle muscular dystrophy type 2d); autosomal recessive limb girdle muscular dystrophy type 2d; autosomal recessive limb-girdle muscular dystrophy caused by mutation in sgca

Patient organizations

Source: NIH GARD · Autosomal recessive limb-girdle muscular dystrophy type 2DGARD ID 438 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

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