The adaptive system: plasticity and recovery -- Training motor control, increasing strength and fitness, and promoting skill acquisition -- Measurement -- Standing up and sitting down -- Walking -- Reaching and manipulation -- Balance -- Upper motor neuron lesions -- Cerebellar ataxia / written with Phu Hoang -- Somatosensory and perceptual-cognitive impairments -- Stroke / written with Julie Bernhardt -- Traumatic brain injury / written with Anne Moseley and Leanne Hassett -- Parkinson's disease / written with Colleen Canning -- Multiple sclerosis / written with Phu Hoang.