How Do You Spell PARADOXICAL PATELLAR REFLEX?

Pronunciation: [pˌaɹədˈɒksɪkə͡l pˈe͡ɪtə͡lə ɹˈiːflɛks] (IPA)

The term "paradoxical patellar reflex" is typically used in the medical community to describe a reflex that is opposite of what is expected. Despite its complex spelling, the pronunciation of this word follows the International Phonetic Alphabet (IPA) as /ˌpærəˈdɒksɪkəl pəˈtɛlə rɪˌflɛks/. The word "paradoxical" is pronounced with an emphasis on the second syllable, while "patellar" follows the emphasis on the first syllable. The word "reflex" is pronounced with an emphasis on the second syllable, and the phonetic transcription helps individuals understand how to properly say this complex term.

PARADOXICAL PATELLAR REFLEX Meaning and Definition

1. The paradoxical patellar reflex, also known as the Westphal's sign, is a neurological test used to evaluate the activity of the knee reflexes in a patient. It is a phenomenon characterized by the abnormal absence of the expected extensor response in the patellar reflex, resulting in a flexion movement of the leg instead of the usual extension movement.

   In a normal patellar reflex, striking the patellar tendon just below the kneecap stimulates the sensory nerve fibers, which then send signals to the spinal cord. The spinal cord interprets these signals and sends motor impulses back to the quadriceps muscle group to contract, thereby extending the leg. This reflex action usually occurs without conscious effort.

   However, in cases of a paradoxical patellar reflex, the sensory impulses triggered by the tendon tap fail to elicit the appropriate motor response. Instead of extension, the leg flexes, causing a bending movement at the knee joint. This response may be indicative of certain neurological conditions, such as upper motor neuron lesions or spinal cord injury.

   The paradoxical patellar reflex can be an important clinical finding in assessing the integrity of the central nervous system. It should be noted that this reflex is not a standard reflex but an abnormal variant of the normal patellar reflex. Its presence or absence, along with other signs and symptoms, aids healthcare professionals in making accurate diagnoses and appropriate treatment plans.

2. (1) A tap on the patellar tendon causes contraction of the adductor; (2) sudden passive extension of the leg causes a contraction of the extensor muscles of the leg.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for PARADOXICAL PATELLAR REFLEX

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