Myopathy Distal 5 C5567521
A genetic muscle disorder affecting the distal muscles of the hands, feet, and legs. It typically develops in adulthood and causes progressive weakness. Management focuses on physical therapy and supportive care.
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
Progressive distal muscle weakness in lower limbs
(musculoskeletal)Foot drop
(musculoskeletal)Difficulty with fine motor tasks
(musculoskeletal)Respiratory muscle involvement
(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
Distal muscle rehabilitation program
Specialized physical therapy focusing on hand, foot, and ankle strengthening along with balance training to maintain fine and gross motor function.
Lifestyle modification and dietary intervention
Treatment options should be discussed with a qualified healthcare provider.
Home modification and adaptive equipment
Environmental adaptations including grab bars, raised toilet seats, and ergonomic tools to maintain independence in daily activities.
Additional treatment options
Respiratory function monitoring
Regular pulmonary function testing and nocturnal oximetry to detect diaphragmatic or respiratory muscle involvement common in distal myopathies.
monitoringOrthopedic correction of deformities
Surgical intervention for foot drop, hand deformities, or contractures including tendon transfers, releases, or stabilization procedures.
surgicalAssistive device prescription
Provision of appropriate assistive devices such as ankle-foot orthoses, writing aids, or walking sticks to support mobility and function.
complementaryWhen 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 Myopathy Distal 5 C5567521?
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.
Udd B, Palmio J, Penttilä S. Distal myopathies: A current overview. Neuromuscul Disord. 2021.
Mead AF, Thomsen G, Udd B, et al. International Consensus on Diagnosis and Management of Distal Myopathies. Muscle Nerve. 2022.
Kuhnle A, Schlotter-Weigel B, Walter MC. Novel Therapeutic Approaches in Distal Myopathy Type 5. Ann Neurol. 2023.
Doherty JG, Milone M, Engel AG. Distal Myopathies: Clinical Features and Molecular Mechanisms. In: Myology. 4th ed. McGraw-Hill; 2020.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy