Spine Archive: Hyperreflexia

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Hyporeflexia & The Spine

Learn more about reflexes involving the spine here in the Knowledge Center of Dr. Leone

Hyporeflexia is the opposite condition to hyperreflexia and is characterized by under-active reflexes. This condition can come as a result of a spinal cord injury directly affecting the lower and/or upper spine area.

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Causes of Hyperreflexia

Spasms and twitching are overactive reflexes. This is also known as hyperreflexia, a loss of control of reflexes. Causes of hyperreflexia surround spine cord injuries as the leading contribution to this complication. The spine plays a large role in reflexes and how the body handles these responses to stimuli – making it the biggest culprit. Other cases where hyperreflexia is found includes medication side effects, brain trauma, hyperthyroidism, and Reye’s Syndrome (swelling of the liver or brain).

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Areflexia

Areflexia is known as the absence of reflexes and is often tested using a reflex hammer. This term is often associated with hyporeflexia, which is characterized by below average reflexes. This condition often affects the spine and associated muscles. The opposite of hypoflexia is hyperflexia – also covered here in Dr. Leone’s Knowledge Center.