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

An inherited muscle condition with weakness that shows up in infancy, usually with normal or mildly affected learning.

Understanding Autosomal recessive limb-girdle muscular dystrophy type 2N

Autosomal recessive limb-girdle muscular dystrophy type 2N is an inherited muscle condition with weakness near the center of the body that begins in infancy.

Weakness shows up as slowness in running. Other features include enlarged calves, mild swayback, and winged shoulder blades. Intelligence is normal or there is a mild intellectual disability.

Signs & symptoms

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

  • Weakness near the center of the body
  • Delayed motor skills
  • Trouble climbing stairs
  • Weakness that tires easily
  • Specific learning disability
  • Wasting of muscles near the body

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 POMT2 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 and The Speak Foundation may keep lists of experts for this condition.

Care & treatment

Care team
Brain and nervous system specialists (neurologists); Genetic specialists (geneticists)
Expert care
Expert lists: Muscular Dystrophy Association, The Speak 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 POMT2 gene confirm the diagnosis?
Which therapies can support learning?
Should my heart be checked as well?

Quick facts

Symptoms usually startInfant
InheritanceAutosomal Recessive
GenesPOMT2

It is caused by changes in the POMT2 gene. It is autosomal recessive, so a child inherits a changed copy of the gene from each parent.

GeneticNeurologicalInherited Metabolic

Also known as: autosomal recessive limb girdle muscular dystrophy type 2n; autosomal recessive limb-girdle muscular dystrophy caused by mutation in pomt2; lgmd type 2n; lgmd-pomt2 related; lgmd2n; limb-girdle muscular dystrophy type 2n

Patient organizations

Source: NIH GARD · Autosomal recessive limb-girdle muscular dystrophy type 2NGARD ID 12539 · 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 Autosomal recessive limb-girdle muscular dystrophy type 2N.

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