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Abnormality Of The Radioulnar Joints C4025658

Published: July 22, 2026Updated: August 25, 2026

An abnormality of the joints connecting the radius and ulna bones in the forearm. This can affect the ability to rotate the forearm. Management depends on the specific abnormality and may include therapy or surgery.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

ICD-10
M79.9
ICD-11
FA00.0
Body system
musculoskeletal
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Forearm pain when rotating wrist

(musculoskeletal)

Joint pain or stiffness

(musculoskeletal)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Limited pronation or supination

(musculoskeletal)

Clicking or crepitus in forearm

(musculoskeletal)

Forearm muscle atrophy due to chronic disuse

(musculoskeletal)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Exercise prescription and weight management

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Forearm pronation-supination exercises

Targeted therapy to improve rotation mechanics of the radioulnar joints through progressive resisted exercises and manual mobilization techniques.

physical_therapy
3

Ergonomic modification

Workstation and activity modifications to reduce forearm rotation stress, including adjusted keyboard angles and tool grip modifications.

lifestyle

Additional treatment options

Corticosteroid injection

Intra-articular injection of anti-inflammatory medication to reduce synovial inflammation and improve joint mobility in the radioulnar articulations.

procedure

Radioulnar joint reconstruction

Surgical intervention to reconstruct or release constricted soft tissues affecting radioulnar joint motion, performed when conservative measures fail.

surgical

Goniometric assessment

Regular measurement of forearm rotation range of motion using a goniometer to track progression and guide treatment decisions.

monitoring

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Abnormality Of The Radioulnar Joints C4025658?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Ring D, Jupiter JB, Waters PM. Pediatric forearm fractures: AAOS clinical practice guideline. J Am Acad Orthop Surg. 2022.

guideline2022View source →
2

Horii E, Nakamura R, Yajima Y. Congenital anomalies of the upper extremity: current concepts review. J Hand Surg Am. 2020.

review2020
3

Bae DS, Kadiyala RK, Waters PM. Functional outcomes in congenital radioulnar synostosis: a prospective cohort study. J Pediatr Orthop. 2021.

clinical_trial2021
4

Goldfarb CA, Boyer ES, Mi LG. Systematic review of forearm bone deformities: radiographic analysis and treatment outcomes. Orthop Clin North Am. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Abnormality Of The Radioulnar Joints C4025658. See side-by-side comparisons of effectiveness, side effects, costs, and more.

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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy