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What was the effect of mental distraction on your ability to produce the patellar reflex?
Wiki User
∙ 14y ago
It increases the reflex action.
"Because of the complexity of the nervous system and the large number of stimuli constantly impinging on the body, the activity of neural networks in one part of the nervous system often modifies another. This is the case for reflexes, such as the knee jerk.
The magnitude of the knee jerk is greater when the contractile tone in the extensor muscle is higher. Conditions that increase muscle tone, such as mental excitement increase the extent of the knee jerk.
A decrease in mental excitement (sleep, a restful state, etc.) is associated with a decrease in the reflex. The strength of the "tap" required to evoke the reflex is higher after physical or mental work. The knee jerk may be reinforced by a second stimulus, such as a loud noise when the noise is appropriately timed with respect to the tapping of the tendon."
http://www.the-aps.org/education/lot/pdfs/neurnetworks03.pdf
Wiki User
∙ 14y ago
Wiki User
∙ 15y agoI did some research and read that studies have found that there is a delay in the patellar reflex after fatiguing exercises.
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