The effect of age and neurological disease on the ankle jerk.
D000125:Achilles Tendon; D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D000842:Ankle; D002493:Central Nervous System Diseases / Q000503:physiopathology*; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D006801:Humans; D007223:Infant; D008875:Middle Aged; D009119:Muscle Contraction; D009135:Muscular Diseases / Q000503:physiopathology*; D009230:Myxedema / Q000175:diagnosis; D010523:Peripheral Nervous System Diseases / Q000503:physiopathology*; D012026:Reflex, Stretch