Range of Motion (ROM)
The amount of motion available at a specific joint.
Flexibility
The present state or ability of a joint to move through a range of motion.
Mobility
The entire available range of motion at a joint and the body’s neuromuscular control of that motion.
Active Motion
The amount of motion obtained solely through voluntary contraction.
Passive Motion
The amount obtained by the examiner without any assistance by the client.
Mobility Restriction
The inability to move a joint through what should be its full range of motion.