Range of motion (ROM) is the arc of motion that occurs at a joint or series of joints in the body in a specific plane of motion. ROM involves a joint or body segment moving from its neutral position to its full potential. The neutral position is referenced from the body's anatomical neutral position, and the full potential motion of a joint is referred to as the end ROM.

Active and Passive Range of Motion

Active range of motion, also abbreviated AROM, is defined as the arc of motion achieved through voluntary movement produced by an individual. AROM is produced by contractions of specific muscles that cross the joint, causing an angular motion to occur. Successful performance of full AROM depends on multiple factors. These include, but ...

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