Electromyography (EMG) - Glossary

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Glossary

Carpal tunnel syndrome: This condition is due to entanglement of median nerve in the carpal tunnel, formed by flexor retinaculum and carpal bones. This syndrome is associated with repetitive occupational trauma, wrist injuries, rheumatoid arthritis, acromegaly, pregnancy and other conditions.

Amyotrophic lateral sclerosis: Is a neurodegenerative disease (breaking of tissues in the nervous system) of unknown cause affecting the nerves responsible for movement. It is also known as motor neuron disease and Lou Gehrig''s disease (named after a baseball player who ended his career).

Cervical spondylosis: Is an age related changes in the areas of spine and back of neck. As age progresses the vertebrae gradually from the bone emerges and shock absorbing capacity of disks slowly shrink. These changes alter the stability and alignment of the spine. If gone unnoticed, they may cause problems related to pressure on the spine and blood vessels. This pressure causes weakness, numbness, and pain in various body areas. In severe cases, walking and other bodily activities may be affected.

Muscular dystrophy: is an inherited disorder in which strength and muscle bulk gradually decline.

Lambert-Eaton syndrome: is an autoimmune disease identified by weakness and fatigueness of proximal muscles, especially of pelvic girdle, lower extremities, trunk and shoulder girdle.

Guillain-Barre syndrome: is an acute inflammatory autoimmune neuritis that is caused by T-cell mediated cellular immune response directed towards peripheral myelin.

Myasthenia gravis: is a disorder of neuromuscular transmission that is identified by weakness of cranial and skeletal muscles.

Polymyositis: is a disease identified by inflammation of multiple muscles.

Peripheral neuropathy: is a disease of peripheral nerves external to brain and spinal cord, including diseases of nerve roots, ganglia, autonomic nerves, sensory nerves and motor nerves.

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