Abstract
<h2>Summary</h2> It is well known that visual cues can improve the motor performance of Parkinsonian patients. Previous laboratory studies have examined the positive effects of visual cueing to the floor. This case study examined the effects of using a visual cue above eye level on the gait of a Parkinsonian woman. It was found that cueing the patient to a target above eye level while walking not only improved the kinematic parameters of the gait cycle (step length and velocity) but also facilitated a more functional gait pattern with re-integration of arm swing, rhythm, heel strike and a more erect posture. The neural mechanism of akinesia is reviewed and the role of visual feedback and neurophysiological and biomechanical perspectives of postural control are discussed. It is postulated that the combination and augmentation of all these components has a positive effect on the Parkinsonian gait by decreasing the effects of the akinetic syndrome and improving balance and stability. Visual targeting above eye level may serve as an important clinical tool for physiotherapists treating Parkinsonian patients.
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