How do I know if I have Arthrogryposis?

Arthrogryposis, or arthrogryposis multiplex congenita (AMC), is a clinical term describing multiple joint contractures present at birth, often involving the limbs and associated with underlying musculoskeletal or neurological conditions. Diagnosis is primarily clinical, based on physical examination of joint range of motion, and is often confirmed through a combination of genetic testing and detailed imaging to distinguish it from other congenital syndromes.

What are the primary clinical signs of Arthrogryposis?

Arthrogryposis is characterized by limited joint mobility in two or more different body areas at birth. Because Arthrogryposis is a broad clinical finding rather than a single disease, symptoms vary widely. Common physical features often observed by parents or clinicians include:

• Joint Contractures: Fixed joints that cannot be fully straightened or bent, often affecting the hands, wrists, elbows, shoulders, hips, and feet (e.g., clubfoot).


• Muscle Weakness: Reduced muscle mass or strength in the affected limbs.


• Skeletal Abnormalities: Scoliosis (curvature of the spine) or dislocations, such as hip dysplasia.


• Distinctive Facial Features: Some forms, such as Freeman-Sheldon syndrome, present with a "whistling face" appearance.


• Hand/Foot Anomalies: Clasped thumbs or camptodactyly (permanently bent fingers).

How is a diagnosis of Arthrogryposis confirmed?

There is no single "Arthrogryposis test." Instead, physicians use a diagnostic journey to identify the underlying cause. If you suspect you or a loved one has Arthrogryposis, doctors will typically perform a physical exam to assess the severity of the contractures. Subsequent testing often includes genetic panels to check for specific mutations, electromyography (EMG) to assess nerve and muscle function, and imaging like X-rays or MRIs to view skeletal and soft tissue structures. In the DiseaseMaps community, 383 people currently share their experiences, highlighting that every person’s path to diagnosis is unique.

When should I seek medical evaluation for Arthrogryposis symptoms?

If you notice persistent stiffness, inability to fully extend limbs, or spinal curvature that causes back, shoulder, or arm pain, you should consult a specialist. It is important to distinguish between normal anatomical variation—such as mild flexibility differences—and Arthrogryposis, which involves fixed, non-progressive or progressive contractures. Seek urgent care if you experience sudden loss of muscle function, severe respiratory difficulty, or rapid spinal curvature, as these may involve the respiratory or nervous systems.

How can I advocate for myself during the diagnostic process?

If you feel your concerns are not being heard, seek a referral to a geneticist or a pediatric orthopedist, even if you are an adult. When speaking with your doctor, be specific: "I am concerned about my limited range of motion and muscle weakness and would like to be evaluated for Arthrogryposis or related connective tissue disorders." Bringing a photo log of your movement limitations can help physicians visualize symptoms that may not be apparent during a brief office visit.

Next steps

• Consult with a medical geneticist or a specialized orthopedist to review your medical history.


• Request a formal physical therapy assessment to evaluate your current range of motion.


• Connect with the 383 members of the Arthrogryposis community at DiseaseMaps.org to share resources and coping strategies.


• Keep a symptom journal to track pain, mobility, and any secondary issues like digestive or urinary symptoms.

Medical disclaimer: This information is for educational purposes only and does not replace professional medical advice, diagnosis, or treatment; always seek the advice of your physician regarding a medical condition.

References

• NIH Genetic and Rare Diseases Information Center (GARD): Arthrogryposis multiplex congenita.


• Orphanet: Rare disease database for Arthrogryposis.


• OMIM (Online Mendelian Inheritance in Man): Clinical synopsis of conditions related to Arthrogryposis.