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  2. Patellar reflex - Wikipedia

    en.wikipedia.org/wiki/Patellar_reflex

    The patellar reflex, also called the knee reflex or knee-jerk, is a stretch reflex which tests the L2, L3, and L4 segments of the spinal cord. Many animals, most significantly humans, have been seen to have the patellar reflex, including dogs, cats, horses, and other mammalian species.

  3. Stretch reflex - Wikipedia

    en.wikipedia.org/wiki/Stretch_reflex

    The patellar reflex (knee jerk) is an example of the stretch reflex and it is used to determine the sensitivity of the stretch reflex. Reflexes can be tested as part of a neurological examination, often if there is an injury to the central nervous system. To test the reflex, the muscle should be in a neutral position.

  4. Tendon reflex - Wikipedia

    en.wikipedia.org/wiki/Tendon_reflex

    [1] [2] Albeit a misnomer, in this sense a common example is the standard patellar reflex or knee-jerk response. [3] Stretch reflex tests are used to determine the integrity of the spinal cord and peripheral nervous system, and they can be used to determine the presence of a neuromuscular disease. [4]

  5. List of reflexes - Wikipedia

    en.wikipedia.org/wiki/List_of_reflexes

    A list of reflexes in humans. Abdominal reflex; Accommodation reflex — coordinated changes in the vergence, lens shape and pupil size when looking at a distant object after a near object. Acoustic reflex or attenuation reflex — contraction of the stapedius and tensor tympani muscles in the middle ear in response to high sound intensities.

  6. Reflex - Wikipedia

    en.wikipedia.org/wiki/Reflex

    Generally, decreased reflexes indicate a peripheral problem, and lively or exaggerated reflexes a central one. [9] A stretch reflex is the contraction of a muscle in response to its lengthwise stretch. Biceps reflex (C5, C6) Brachioradialis reflex (C5, C6, C7) Extensor digitorum reflex (C6, C7) Triceps reflex (C6, C7, C8)

  7. Jendrassik maneuver - Wikipedia

    en.wikipedia.org/wiki/Jendrassik_maneuver

    The Jendrassik maneuver to reinforce knee-jerk. The Jendrassik maneuver is a medical maneuver wherein the patient clenches the teeth, flexes both sets of fingers into a hook-like form, and interlocks those sets of fingers together. The tendon below the patient's knee is then hit with a reflex hammer to elicit the patellar reflex. The elicited ...

  8. A Physical Therapist Shares 5 Key Exercises for Patellar ...

    www.aol.com/lifestyle/physical-therapist-shares...

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  9. Reflex hammer - Wikipedia

    en.wikipedia.org/wiki/Reflex_hammer

    A Buck reflex hammer. A reflex hammer is a medical instrument used by practitioners to test deep tendon reflexes, the best known possibly being the patellar reflex.Testing for reflexes is an important part of the neurological physical examination in order to detect abnormalities in the central or peripheral nervous system.