Balance, a skill required to maintain upright posture, has both orientation and stability components. A postural control strategy is selected to achieve the desired body orientation and a copy of the control strategy is fed to the internal models to yield estimated orientation and expected sensory afferent signals. This chapter covers two resources that are crucial for balance control are sensory strategies and movement strategies. Nagi's disablement scheme is a helpful model to use in approaching balance assessment, the first step in balance rehabilitation. Just as assessment of balance is multifactorial, so is treatment of balance disorders. Many different approaches have been used to treat balance disorders, including generalized exercise programs, balance-specific exercises, training of postural strategies, sensory organization training, biofeedback, and environmental modifications paired with education. Through careful assessment and treatment, it is possible to significantly improve balance and reduce fall injuries in individuals with Parkinson disease (PD).