Hypermobility Causes

According to the Mayo Clinic, joint hypermobility arises when an individual can move joints beyond a normal range of motion. Hypermobility often appears in children and decreases as a child ages; normally it does not constitute a cause of concern. In some cases, hypermobility may indicate a more serious condition.

Cleidocranial Dysostosis

• Cleidocranial dysostosis is a genetic condition: inherited when one or both parents pass down the gene to a child. An individual with this disease will exhibit abnormalities in the bone development of the skull and collarbone. Symptoms include loose or hypermobile joints.

Down's Syndrome

• Down's syndrome causes physical, developmental and cognitive problems. A child diagnosed with Down's syndrome has an three copies of the chromosome 21, whereas healthy individuals have two copies. Symptoms of Down's syndrome include hypermobility of the joints.

Ehlers-Danlos Syndrome

• Ehlers-Danlos syndrome causes problems the collagen in the body. Children born with this condition may have heart problems or run the risk of rupture of internal organs. A symptom of this condition is hypermobility.

Marfan Syndrome

• Marfan syndrome is a genetic disorder that affects the connective tissue of a body. It affects all organs of the body and the long bones of a child with the disorder will grow excessively. Hypermobility sometimes occurs as a symptom of Marfan syndrome.

Morquio Syndrome

• Morquio syndrome is another genetic disorder that only occurs if both parents pass on the gene. A child with morquio syndrome cannot break down long chains of sugar molecules, and symptoms can manifest as physical abnormalities... including joint hypermobility.