Based on a systematic MEDLINE search and informal sources, 40 references were identified that evaluate training therapy or neuromuscular electric stimulation for arm paresis after stroke and describe either a systematic review, meta-analysis, randomised controlled trial, or controlled cohort study. The evidence was grouped into three areas of interest: comparison of physiotherapy schools, effects of intensity of training, and efficacy of specific arm rehabilitation techniques. The only physiotherapy school with evidence of superior efficacy was the task-oriented'motor relearning programme'. Higher intensities of motor rehabilitation can accelerate motor recovery. Various training techniques with demonstrated efficacy are available for specific patient subgroups: arm ability training for mildly affected patients with reduced efficiency of motor control, constrained-induced movement therapy for patients with partial functional deficits and learned nonuse of the affected arm, and repetitive sensorimotor training techniques, EMG-biofeedback, functional electrical stimulation, and robot-assisted training for patients with severe arm paresis.