Decreased tone of skeletal muscles. In a word, floppiness. Hypotonia is a common finding in cerebral palsy and other neuromuscular disorders. Untreated hypotonia can lead to hip dislocation and other problems. Treatment is via physical therapy. In some cases braces may be needed to permit a full range of movement despite hypotonia.
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1. Reduced tension in any part, as in the eyeball. 2. Relaxation of the arteries. 3. A condition in which there is a diminution or loss of muscular tonicity. SYN: hypotonicity (1), hypotonus, hypotony. [hypo- + G. tonos, tone]
- benign congenital h. nonprogressive h. of unknown etiology in infants and children; other known causes of hyptonia must be excluded.

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hy·po·to·nia .hī-pə-'tō-nē-ə, -pō- n
1) abnormally low pressure of the intraocular fluid
2) the state of having hypotonic muscle tone

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a state of reduced tension in muscle.

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hy·po·to·nia (hi″po-toґne-ə) [hypo- + ton- + -ia] a condition of diminished tone of the skeletal muscles, so that they have diminished resistance to passive stretching and are flaccid; this usually means the nerve supply is compromised. See also atony.

Hypotonia with severe head lag and failure of limbs to flex to counter the upward traction.

Medical dictionary. 2011.

Look at other dictionaries:

  • Hypotonia — Floppy Muscle Syndrome Classification and external resources ICD 10 P94.2 ICD 9 358 …   Wikipedia

  • hypotonia — 1876, medical Latin, from HYPO (Cf. hypo ) + Gk. tonos tone (see TENET (Cf. tenet)) …   Etymology dictionary

  • hypotonia — hipotonija statusas T sritis Kūno kultūra ir sportas apibrėžtis Kraujagyslių ir raumenų įtampos sumažėjimas. Gali būti arterinė ir patologinė hipotonija. Arterinė hipotonija kyla dėl per mažo arterinio kraujospūdžio; būna tada, kai sistolinis… …   Sporto terminų žodynas

  • hypotonia — hipotonija statusas T sritis Kūno kultūra ir sportas apibrėžtis Nežymus raumenų tonuso susilpnėjimas. Psichosomatiniu požiūriu hipotonija gali būti perdėtos globos („mamytės sūnelis“) rezultatas. kilmė gr. hypo – po, žemiau + lot. tonos – įtampa… …   Sporto terminų žodynas

  • hypotonia — noun Etymology: New Latin Date: circa 1886 the state of having hypotonic muscle tone …   New Collegiate Dictionary

  • hypotonia — noun An abnormal loss of muscle tone …   Wiktionary

  • hypotonia — n. state of being hypotonic (having poor muscle tone or tension) …   English contemporary dictionary

  • hypotonia — hy·po·to·nia …   English syllables

  • hypotonia — n. a state of reduced tension in muscle …   The new mediacal dictionary

  • hypotonia — noun (of muscular tissue) the state of being hypotonic • Syn: ↑hypotonus, ↑hypotonicity • Ant: ↑hypertonicity (for: ↑hypotonicity), ↑hypertonus (for: ↑ …   Useful english dictionary

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