Hypotonia Health Dictionary

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Hypotonia: From 2 Different Sources

Abnormal muscle slackness.

Normally, a muscle that is not being used has a certain inbuilt tension, but in a number of disorders affecting the nervous system (such as Huntington’s disease) this natural tension is reduced.

Health Source: BMA Medical Dictionary
Author: The British Medical Association

Hypotonia In Infants

Excessive limpness in infants, also known as floppy infant syndrome. Hypotonic babies cannot hold their limbs up against gravity and so tend to lie flat with their arms and legs splayed. Hypotonia may be caused by Down’s syndrome or hypothyroidism and may be

an early feature of cerebral palsy.

It occurs in disorders of the spinal cord, such as Werdnig–Hoffman disease, and in some children who have muscular dystrophy.... hypotonia in infants


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