In a Presidential System, the head of state and head of government tends to be the same person. In a Parliamentary System, minority groups can form third, fourth, and fifth parties and have much more influence in government than in a Presidential System where third parties are marginalized (many complexities here).
EMGs can detect abnormal muscle electrical activity in many diseases and conditions, including inflammation of muscles, pinched nerves, damage to nerves in the arms and legs, disc herniation, and degenerative diseases such as muscular dystrophy, Lou Gehrig's disease and Myesthenia gravis, among others.
EMG may be used to evaluate many problems or disorders including, but not limited to, the following: 1  Neuromuscular diseases, such as myasthenia gravis. 2  Motor problems, such as involuntary muscle twitching. 3  Nerve compression or injury, such as carpal tunnel syndrome. 4  Nerve root injury, such as sciatica.