Typical dimensions for a childâs picnic table are 33 inches long by 38 inches wide and 22 inches high. Stockbyte/Stockbyte/Getty Images. A newer design is the octagonal or round table with attached seating for up to eight.
External and internal forces can cause dysrhythmia. External factors include exhaustion, overexertion, emotional stress (such as Annie's campaign speech), cigarette smoking, drinking alcohol, and ingesting stimulants such as caffeine, decongestants, and cocaine.
Causes of secondary dystonia include: 1  Abnormalities of brain function such as cerebral palsy. 2  Vascular malformations of the brain, in which a tangle of abnormal blood vessels form links between the arterial and venous systems. 3  Brain tumors.  Brainstem 1  lesions. Head injury.