Electrical Impedance Myography: Natural History Studies inNeuromuscular Disorders and Healthy Volunteers

EIM device is placed on the muscle and a high frequency current is delivered to the skin.

Ultrasound waves to examine the muscles and nerves

Small metal disk electrodes attached to wires onto skin to measure how fast nerves conduct electrical impulses and the strength of the connection between nerves and muscles.

Thin needle placed into muscles to record electrical activity-adults only