“…These results suggest that people with PD not only retain ability for motor adaptation but also that such adaptive strategies may provide functional benefit. Patients with PD also respond better to external rather than internally generated cues to trigger voluntary movement (Horstink et al, 1990, Bagley et al, 1991, Majsak et al, 1998, Marchese et al, 2000, Siegert et al, 2002. Treadmill training is beneficial in improving gait parameters and reducing the number of falls in people with PD (Pohl et al, 2003, FrenkelToledo et al, 2005, Protas et al, 2005.…”