Figure 2.

Types of exercises prescribed by physical therapists for clinical knee osteoarthritis. Functional tasks include the replication of a functional activity (eg, rising from a sitting position) in the exercise program. Range of movement includes specific exercises to improve the functional range of movement of a joint. These exercises are usually performed throughout the whole joint range and can be completed actively, passively, or with active assistance.³⁸ Data for hydrotherapy were from the main study only because of changes in questions between the pilot study and the main study.