Range of Motion Terminology : • Range of Motion (ROM) - the minimum amount of movement that is possible at a joint • Functional Range of Motion (FROM) - the range of motion necessary to comfortably and effectively complete activities of daily living. • Passive Range of Motion (PROM) - the range of motion of a joint that is moved by anoutside force. • Active Range of Motion (AROM) - the range of motion of a joint that is moved by the muscles that act on the joint.Goniometry Tips to Remember: