Joint Hypermobility - Causes, Treatment & When to See a Doctor

What is Joint Hypermobility?

Joint hypermobility refers to joints that move beyond the normal range of motion. Often described as "double-jointed," this condition allows individuals to bend or flex their joints—such as elbows, knees, or wrists—beyond what is typical for their age or physical build. While some degree of flexibility is normal and even beneficial, joint hypermobility becomes a medical concern when it causes pain, instability, or is linked to underlying health issues.

This condition can involve a few joints or many throughout the body. It’s sometimes hereditary, appearing in families, or may develop due to injury, aging, or other factors. In most cases, joint hypermobility is harmless, but in others, it can be associated with connective tissue disorders or other serious health conditions.

Common Causes

Joint hypermobility can result from various causes, some genetic and others environmental. Below are the most common conditions associated with this symptom:

• Ehlers-Danlos Syndrome (EDS): A group of genetic disorders affecting collagen, the protein that provides structure to skin, tendons, and joints (Cleveland Clinic).
• Marfan Syndrome: A genetic disorder impacting connective tissue, often causing hypermobility in fingers, arms, and torso (NIH Rare Diseases).
• Osteogenesis Imperfecta: Known as "brittle bone disease," it weakens connective tissue, leading to fragile bones and joint hypermobility (NoMO Foundation).
• Hypermobility Spectrum Disorder (HSD): A classification for joint hypermobility without a specific genetic cause, often presenting with joint pain or dislocations (Arthritis Research UK).
• Pregnancy: Hormonal changes during pregnancy can temporarily increase joint flexibility due to relaxed ligaments (Mayo Clinic).
• Repetitive Stress or Overuse: Activities like gymnastics, dancing, or manual labor can strain joints over time.
• Childhood Injuries: Fractures or dislocations in youth may alter joint structure.
• Aging: Natural wear and tear on joints can lead to increased flexibility.
• Nutritional Deficiencies: Lack of vitamin C or other nutrients may affect collagen production and joint health (National Library of Medicine).

Associated Symptoms

Joint hypermobility often comes with other symptoms, depending on the underlying cause. Common associated issues include:

• Joint Pain or Tenderness: Especially after activity, due to overworking connective tissues.
• Frequent Dislocations or Subluxations: Joints may "pop" out of place easily.
• Swelling or Warmth: Indicating inflammation or injury.
• Fatigue: Chronic pain or strain can lead to tiredness.
• Skin Elasticity: Hypermobile individuals may have unusually stretchy skin (common in EDS).
• Easy Bruising: Connective tissue weakness can impair blood vessel resilience.
• Slow Wound Healing: Related to tissue fragility in some genetic disorders.

When to See a Doctor

While mild joint hypermobility may not require treatment, consult a healthcare provider if you experience:

• Severe or worsening pain that interferes with daily activities.
• Joint swelling, redness, or warmth, which could signal infection or inflammation.
• Inability to move a joint or recurrent dislocations.
• Numbness or tingling near a hypermobile joint, suggesting nerve involvement.
• Frequent falls or injuries due to joint instability.

Early evaluation is crucial, especially if you suspect an underlying condition like Ehlers-Danlos Syndrome or Marfan Syndrome.

Diagnosis

Diagnosing joint hypermobility typically involves a physical examination and may include specific tests. Doctors often use the Beighton score, which assesses joint flexibility by asking patients to perform movements like bending the thumb backward or lifting the foot behind the head (UpToDate).

If an underlying condition is suspected, additional tests may be ordered, such as:

• Blood Tests: To check for genetic markers or collagen-related deficiencies (Mayo Clinic)
• Imaging: X-rays, MRIs, or ultrasounds to evaluate bone or soft tissue structure.
• Genetic Testing: For conditions like Marfan Syndrome or EDS.

Treatment Options

Treatment focuses on managing symptoms and preventing complications. Options include:

Medical Treatments

• Pain Management: Over-the-counter medications (e.g., ibuprofen) or prescription pain relievers for severe cases.
• Bracing or Splints: To stabilize joints during high-risk activities or sleep.
• Physical Therapy: Exercises to strengthen muscles around hypermobile joints, improving stability (Arthritis Foundation).

Home Treatments

• Low-impact exercises like swimming or yoga to maintain flexibility without straining joints.
• Using supportive footwear to reduce joint stress during daily activities.
• Avoiding repetitive strain from activities like heavy lifting or certain sports.

Prevention Tips

While genetic causes of hypermobility can’t be prevented, these steps may reduce associated risks:

• Strengthen Muscles: Focus on core, ankle, and wrist exercises to support joints (Healthline).
• Protect Joints During Activity: Wear braces during sports or use cushioned insoles.
• Maintain a Healthy Weight: Excess weight increases joint strain.
• Warm Up Before Exercise: Reduce injury risk with gradual movement preparation.

Emergency Warning Signs

These symptoms require urgent medical attention to prevent long-term damage or complications.