Muscle disorders can be due to several reasons like polymyositis or muscular dystrophy, diseases like myasthenia gravis wherein the muscle and nerve connection gets affected, polio or amyotrophic lateral sclerosis (ALS) due to affected motor neurons in the spinal cord or brain, due to affected nerve root causing herniated disk in the spine or due to peripheral neuropathies or carpal tunnel syndrome. The symptoms of muscle or nerve disorder of the muscle could be numbness of the muscles, tingling, muscle cramp and weakness and pain in the limbs, paralysis and involuntary twitching of the muscles called tics.
An EMG is recommended if your muscles indicate any disorder. The test helps check the health of the muscles and the motor neurons or the nerves that control the muscles. Electromyography (EMG) is a diagnostic procedure to examine the electrical activity of muscles that are transmitted by the motor neurons in the muscles.
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