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.
To be considered a classic, a car must be more than 20 years old. It must also be in good condition and maintained in a way that stays true to the original design. Additionally, the Classic Car Club of America has a list of models that are considered classic.