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4.1 — Short Answer Questions

Q.What do you understand by the term hypertonia?

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Hypertonia means abnormally tight, hard-to-stretch muscles, usually caused by damage to the central nervous system (e.g., cerebral palsy).

The textbook lists hypertonia among the eight types of physical impairment recognised by the IPC: "Hypertonia is marked by an abnormal increase in muscle tension and reduced ability of a muscle to stretch. Hypertonia may result from injury, disease, or conditions which involve damage to the central nervous system," giving cerebral palsy as an example. It is distinct from the other seven physical-impairment categories (impaired muscle power, impaired passive range of movement, limb loss, leg-length difference, short stature, ataxia and athetosis) because it is specifically about excess muscle …

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