Electromyography (EMG) is an electrodiagnostic medicine technique for evaluating and recording the electrical activity produced by skeletal muscles.[1] EMG is performed using an instrument called an electromyograph to produce a record called an electromyogram.
The general consensus is that a classic motorcycle must be at least 25 years old. Another consideration of what constitutes a classic motorcycle is the simplicity of the bike itself. To be considered a classic, a motorcycle should maintain simple aesthetics hearkening back to the origins of these vehicles.
There's no set definition of what makes a vehicle a classic or a collectable, but these are generally the types considered: 1  Antique and classic cars. 2  Antique and classic trucks. 3  Antique and classic motorcycles that are at least 25 years old.  Antique farm tractors, such as a 1950 John Deere Model B.