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[oncedaily]

In addition to the familar "knee jerk" reflex test there is one known as the Babinski Reflex Test, this involves stroking the outer soles of the patient's feet to see if the toes curl under as a result. These tests are done to check the nervous system, normal just to see the integrity of the spinal cord.

More info: http://www.healthatoz.com/healthatoz/Atoz/ency/reflex_tests.html