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PubMed This is a summary of 15 peer-reviewed journal articles Updated
Neurology

The Road to Answers: Symptoms and Diagnosis

At a Glance

Diagnosing Limb-Girdle Muscular Dystrophy (LGMD) starts with recognizing early weakness in the hips and shoulders. Modern diagnosis relies on CK blood tests, muscle MRIs, and advanced genetic sequencing to identify the exact subtype, reducing the need for invasive muscle biopsies.

Diagnosing Limb-Girdle Muscular Dystrophy (LGMD) is often described by patients as a journey rather than a single event. Because LGMD is rare and shares symptoms with many other conditions, it requires a careful, step-by-step approach to ensure you receive the correct diagnosis and the right care plan [1][2].

Recognizing the Early Signs

The first signs of LGMD are often subtle and can be easily overlooked. Because the “limb-girdle” muscles—those around the hips and shoulders—are affected first, the earliest symptoms usually involve movements that rely on those large muscle groups [3][4].

  • The “Waddling” Gait: Weakness in the hip and pelvic muscles can cause a characteristic side-to-side sway when walking [3].
  • Difficulty with Stairs and Chairs: You or your child may find it increasingly difficult to climb stairs or stand up from a low chair without using your arms for support [1].
  • Gowers’ Sign: This is a specific movement where a person has to “walk” their hands up their own legs to transition from sitting on the floor to a standing position [1].
  • Shoulder Girdle Weakness: As the condition progresses to the upper body, tasks like brushing hair, reaching for a high shelf, or holding arms out to the side become tiring or impossible [4][5].

The Modern Diagnostic Pathway

In the past, the journey to an LGMD diagnosis almost always included a muscle biopsy. Today, thanks to advances in technology, the process is less invasive and more precise.

1. The Clinical Exam and CK Test

The journey starts with a physical exam and a simple blood test to check your creatine kinase (CK) levels [1]. CK is an enzyme that leaks out of muscles when they are damaged or inflamed. In many types of LGMD, CK levels are significantly higher than normal [6][7].

2. Muscle Imaging (MRI)

Doctors may use a muscle MRI to look at the pattern of muscle involvement. Different subtypes of LGMD often “target” specific muscles while leaving others alone. These patterns act like a “fingerprint” that helps doctors narrow down which gene might be responsible [5][8].

3. Next-Generation Sequencing (NGS): The Gold Standard

Next-Generation Sequencing (NGS) has revolutionized LGMD diagnosis. This advanced genetic test can scan dozens of genes at once from a single blood or saliva sample [9][10].

  • Why it’s preferred: It is non-invasive and can provide a definitive genetic “name” for your condition (like LGMDR1 or LGMDD1) [11].
  • Genetic Confirmation: This is the most critical step. A genetic diagnosis is required to join clinical trials, access future gene therapies, and understand if you need specialized heart or lung monitoring [11][12].

4. Is a Muscle Biopsy Still Needed?

A muscle biopsy—where a small piece of muscle tissue is surgically removed and examined—is no longer the first-line test [9]. However, it remains a vital “tie-breaker” tool in specific situations:

  • If genetic testing comes back with a “Variant of Uncertain Significance” (VUS), meaning a change was found but doctors aren’t sure if it causes disease [13].
  • If NGS results are negative, but the clinical symptoms still strongly suggest a muscular dystrophy [14].

In these cases, a biopsy can show whether the specific proteins associated with LGMD are actually missing from the muscle fibers, providing the final piece of the puzzle [14][15].

Common questions in this guide

What are the first signs of limb-girdle muscular dystrophy?
Early signs typically involve weakness in the hip and shoulder muscles. You might notice a waddling gait, trouble standing up from a low chair, difficulty climbing stairs, or fatigue when reaching above your head.
What does a high CK level mean for my muscles?
Creatine kinase (CK) is an enzyme that leaks into your blood when muscles are damaged. High CK levels often indicate muscle inflammation or damage, which is a common early sign of limb-girdle muscular dystrophy.
Do I need a muscle biopsy to be diagnosed with LGMD?
A muscle biopsy is no longer the first test used for diagnosis. Doctors now rely primarily on genetic sequencing, though a biopsy may still be needed if your genetic results are unclear or uncertain.
What is a Variant of Uncertain Significance (VUS) on a genetic test?
A VUS means the genetic test found a change in your DNA, but doctors do not currently have enough information to know if that specific change causes muscular dystrophy.
Will my heart or lungs need to be checked if I have LGMD?
Some specific subtypes of limb-girdle muscular dystrophy can affect the heart or breathing muscles. Your doctor will use your exact genetic diagnosis to determine if you need regular cardiac or respiratory monitoring.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.What was my CK (creatine kinase) level, and what does that number suggest about my muscle health?
  2. 2.Since I have my genetic results, is a muscle biopsy still necessary for my specific case?
  3. 3.Are the 'variants' found in my genetic test confirmed to be disease-causing, or are they 'Variants of Uncertain Significance' (VUS)?
  4. 4.Does my specific subtype of LGMD require regular monitoring of my heart or lungs?
  5. 5.Can you recommend a physical therapist who has experience specifically with neuromuscular disorders?

Questions For You

Tap a prompt to share your answer — we'll use it plus this page's context to start a tailored conversation.

References

References (15)
  1. 1

    Limb-Girdle Muscular Dystrophies.

    Liewluck T

    Continuum (Minneapolis, Minn.) 2025; (31(5)):1344-1371 doi:10.1212/cont.0000000000001615.

    PMID: 41037170
  2. 2

    From Doubt to Diagnosis: Canadian Patient Perspectives on a Limb-Girdle Muscular Dystrophy Diagnosis.

    Osman H, Adamji Z, Pfeffer G, et al.

    Health expectations : an international journal of public participation in health care and health policy 2025; (28(3)):e70271 doi:10.1111/hex.70271.

    PMID: 40323721
  3. 3

    Limb-girdle muscular dystrophy: A perspective from adult patients on what matters most.

    Hunter M, Heatwole C, Wicklund M, et al.

    Muscle & nerve 2019; (60(4)):419-424 doi:10.1002/mus.26636.

    PMID: 31298728
  4. 4

    Dystrophinopathies and Limb-Girdle Muscular Dystrophies.

    Domingos J, Sarkozy A, Scoto M, Muntoni F

    Neuropediatrics 2017; (48(4)):262-272 doi:10.1055/s-0037-1601860.

    PMID: 28427100
  5. 5

    A Straightforward Approach to Analyze Skeletal Muscle MRI in Limb-Girdle Muscular Dystrophy for Differential Diagnosis: A Systematic Review.

    Morishima R, Schoser B

    Muscles (Basel, Switzerland) 2023; (2(4)):374-388 doi:10.3390/muscles2040029.

    PMID: 40757533
  6. 6

    Expert panel curation of 31 genes in relation to limb girdle muscular dystrophy.

    Mohan S, McNulty S, Thaxton C, et al.

    Annals of clinical and translational neurology 2024; (11(9)):2268-2276 doi:10.1002/acn3.52127.

    PMID: 39215466
  7. 7

    Disease Progression and Mutation Pattern in a Large Cohort of LGMD R1/LGMD 2A Patients from India.

    Ganaraja VH, Polavarapu K, Bardhan M, et al.

    Global medical genetics 2022; (9(1)):34-41 doi:10.1055/s-0041-1736567.

    PMID: 35169782
  8. 8

    A Muscle Biosignature Differentiating Between Limb-Girdle Muscular Dystrophy and Idiopathic Inflammatory Myopathy on Magnetic Resonance Imaging.

    Hsu WC, Lin YC, Chuang HH, et al.

    Frontiers in neurology 2021; (12()):783095 doi:10.3389/fneur.2021.783095.

    PMID: 34987467
  9. 9

    Causative variants linked with limb girdle muscular dystrophy in an Iranian population: 6 novel variants.

    Mianesaz H, Ghalamkari S, Salehi M, et al.

    Molecular genetics & genomic medicine 2023; (11(2)):e2101 doi:10.1002/mgg3.2101.

    PMID: 36374152
  10. 10

    Molecular Diagnosis of Limb-Girdle Muscular Dystrophy Using Next-Generation Sequencing Panels.

    Sarıkaya Uzan G, Yılmaz Uzman C, Çinleti T, et al.

    Molecular syndromology 2024; (15(1)):14-21 doi:10.1159/000533976.

    PMID: 38357257
  11. 11

    Genetically confirmed limb-girdle muscular dystrophy type 2B with DYSF mutation using gene panel sequencing: A case report.

    Lee SJ, Choi E, Shin S, Park J

    Medicine 2020; (99(28)):e20810 doi:10.1097/MD.0000000000020810.

    PMID: 32664072
  12. 12

    Three new cases of dilated cardiomyopathy caused by mutations in LMNA gene.

    Sivitskaya LN, Danilenko NG, Vaikhanskaya TG, et al.

    Acta myologica : myopathies and cardiomyopathies : official journal of the Mediterranean Society of Myology 2017; (36(4)):207-212.

    PMID: 29770364
  13. 13

    Very late-onset limb-girdle muscular dystrophy type 2D: A milder form with a normal muscle biopsy.

    Oliveira Santos M, Coelho P, Roque R, Conceição I

    Journal of clinical neuroscience : official journal of the Neurosurgical Society of Australasia 2020; (72()):471-473 doi:10.1016/j.jocn.2019.12.003.

    PMID: 31836381
  14. 14

    Biallelic variants in SNUPN cause a limb girdle muscular dystrophy with myofibrillar-like features.

    Iruzubieta P, Damborenea A, Ioghen M, et al.

    Brain : a journal of neurology 2024; (147(8)):2867-2883 doi:10.1093/brain/awae046.

    PMID: 38366623
  15. 15

    Glycogen storage disease type IV without detectable polyglucosan bodies: importance of broad gene panels.

    Oliwa A, Langlands G, Sarkozy A, et al.

    Neuromuscular disorders : NMD 2023; (33(9)):98-105 doi:10.1016/j.nmd.2023.07.004.

    PMID: 37598009

This page explains symptoms and diagnostic tests for limb-girdle muscular dystrophy for educational purposes. Always consult a neurologist or neuromuscular specialist for proper evaluation and medical diagnosis.

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