Finding
hypotonia Audio
hy·po·ton·i·a
Subclass of:
Neuromuscular Manifestations
Definitions related to muscle hypotonia:
  • (hypotonia) A condition of decreased tone of the skeletal muscles and diminished resistance to passive stretching.
    NCI
    U.S. National Cancer Institute, 2021
  • (hypotonia) Diminution of the skeletal muscle tone marked by a diminished resistance to passive stretching.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • (hypotonia) Hypotonia is an abnormally low muscle tone (the amount of tension or resistance to movement in a muscle). Even when relaxed, muscles have a continuous and passive partial contraction which provides some resistance to passive stretching. Hypotonia thus manifests as diminished resistance to passive stretching. Hypotonia is not the same as muscle weakness, although the two conditions can co-exist.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • A diminution of the skeletal muscle tone marked by a diminished resistance to passive stretching.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Abnormally low level of muscle tone.
    U.S. FDA Glossary
    U.S. Food & Drug Administration, 2021
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.