“…Consequently, for those attending formal exercise classes who are expected to continue these at home, ongoing group activities after these have terminated are indicated (McKelvie et al, 2002). Similarly, the importance of having an exercise companion (Dubbert, Cooper, Kirchner, Meydrech, & Bilbrew, 2002) and ongoing contacts with an empathetic professional have been stressed (KeeleSmith & Leon, 2003;Marks, 1994). Investigative work by Mazzucca et al (1997) has further suggested that in the context of knee osteoarthritis, sustained preservation of function and consistent effects of exercise on pain relief might require prolonged, proactive follow-up of patients by either a patient educator or a trained clinical assistant.…”