- 1. n. a reflex extension of the leg resulting from a sharp tap on the patellar tendon Source: wordnet
- 2. A jerk or kick produced by a blow or sudden strain upon the patellar tendon of the knee, which causes a sudden contraction of the quadriceps muscle. Source: webster
- 3. A jerk or kick produced by a blow or sudden strain upon thepatellar tendon of the knee, which causes a sudden contraction of thequadriceps muscle. Source: adambom
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knee jerk
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suddentendonkneeblowcausescontractionjerkkickmusclepatellarproducedstrainuponextensionlegquadricepsreflexresultingsharptap