Field sobriety tests, also called “roadside gymnastic tests,” are about much more than a person’s ability to walk a straight line. They are, for the most part, chosen and agreed upon by police departments for their ability to approximate one’s level of intoxication, whether by alcohol or drugs, and thus the ability of someone to safely operate a vehicle. They test far more than physical abilities such as balance and coordination. Like what and why? Click on the following like to read more.