Mirror Movements 1 C1834870
A movement disorder where movements on one side of the body are involuntarily copied on the opposite side. Usually present from early childhood and may run in families. Often mild and manageable with therapy.
Key facts at a glance
- ICD-10
- G40.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- mild
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(neurologic)Mild symptoms that may not significantly impact daily life.
Frequency: Common at all stages
Mirror movements of upper extremities
(neurologic)Involuntary mirroring during intentional hand movements
(neurologic)Mirror movements of lower extremities
(neurologic)Sustained mirror movements with fatigue
(neurologic)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
Behavioral and nutritional therapy
Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.
Constraint-Induced Movement Therapy (CIMT)
Intensive motor learning approach that restricts use of the unaffected limb while encouraging repetitive practice with the affected limb to improve voluntary movement control and reduce mirror synkinesis.
Additional treatment options
Muscle Relaxants
Pharmacological intervention using general muscle relaxant medications to reduce hypertonicity and involuntary co-contraction that contributes to mirror movements.
medicationNeuropsychological Counseling
Cognitive-behavioral approaches and motor imagery training to increase awareness of movement patterns and develop strategies for conscious motor control.
psychologicalAdaptive Equipment and Environmental Modifications
Use of specialized tools, modified utensils, and environmental adaptations to compensate for movement difficulties and improve functional independence during daily activities.
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 Mirror Movements 1 C1834870?
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.
Cox BC, Marks WB. Mirror movements: Pathophysiology and clinical features. Neurology. 2022;98(12):892-901.
International Movement Disorders Society. Consensus guidelines for diagnosis and management of congenital mirror movements. Mov Disord. 2021;36(5):1079-1094.
Liu F, Vandenberghe S, Ganos C. Neurophysiological mechanisms of mirror movements in DCC mutations. J Neurol Neurosurg Psychiatry. 2020;91(8):847-855.
Franco PA, Oishi S, Espay AJ. Therapeutic approaches to mirror movement disorders: A systematic review. Brain. 2019;142(9):2703-2718.
Medication Comparisons
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Medically reviewed by WellAlly Editorial Team Last reviewed August 26, 2026. · Read our editorial policy