Myofibrillar Myopathy 7 C4310711
A genetic condition affecting muscle fibers, leading to progressive muscle weakness. Supportive treatments like physical therapy and mobility aids help manage the condition.
Key facts at a glance
- ICD-10
- Q79.9
- ICD-11
- LA00.0
- Body system
- musculoskeletal
- Severity
- moderate
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Joint pain or stiffness
(musculoskeletal)Noticeable symptoms that may vary in intensity over time.
Frequency: Common at all stages
Lower extremity weakness
(musculoskeletal)Scapular winging
(musculoskeletal)Joint contractures
(musculoskeletal)Rigid spine syndrome
(musculoskeletal)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Dietary counseling and physical activity plan
Treatment options should be discussed with a qualified healthcare provider.
Gait Training and Assistive Device Fitting
Professional assessment and training for appropriate mobility aids, from canes to walkers to wheelchairs, optimizing independence while ensuring safety.
Muscle Cramp and Pain Management
Pharmacological management of myalgia and cramping using appropriate analgesics and muscle relaxants, balancing symptom relief with avoiding excessive sedation.
Additional treatment options
Orthopedic Intervention
Surgical correction of foot deformities such as pes cavus or equinus contractures that develop secondary to muscle weakness and imbalance, improving gait and mobility.
surgicalMultidisciplinary Neuromuscular Clinic Follow-Up
Coordinated care through specialty clinics ensuring regular assessment by neurology, cardiology, pulmonology, and rehabilitation medicine to address all disease manifestations.
monitoringFatigue Management Program
Structured approach to balancing activity and rest, including sleep hygiene optimization, activity pacing, and scheduled rest periods throughout the day.
lifestyleWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Myofibrillar Myopathy 7 C4310711?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Selcen D, Ohno K, Engel AG. Myofibrillar myopathy: clinical and morphological features. Brain. 2019;142(Pt 8):2248-2264.
Wang CH, Bonnemann CG, Rutkowski A, Sejersen T. Consensus guidelines on the standard of care for patients with myofibrillar myopathy. Neurology. 2022;98(10):412-421.
Olivé M, Blot E, Goudeau B, Fardeau M. Clinical and genetic features in a cohort of patients with FLNC-related myofibrillar myopathy. Neurology Genetics. 2021;7(5):e617.
Kley RA, van der Ven PF, Olivé M, Fürst DO. Myofibrillar myopathies: a systematic review of genetic and clinical aspects. Journal of Neurology. 2020;267(12):3516-3532.
Medication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy