Background: Mediolateral perturbations caused by external pulling and pushing forces can
occur in everyday living. Although the loss of balance can appear in all directions, coping …

Abstract Background Some people with Parkinson's disease (PD) report poorer dynamic
postural stability following high-frequency deep brain stimulation of the subthalamic nucleus …

Postural sway is a result of a complex action–reaction feedback mechanism generated by
the interplay between the environment, the sensory perception, the neural system and the …

Objective This experiment tested if balance performance differed between a standardized
treadmill surface perturbation task and a clinical pull test and was affected by medication or …

Background Postural instability can occur in the later-stages of Parkinson's disease (PD).
The clinical pull-test is scored on a 0–4 scale on the Unified Parkinson's disease rating scale …

Postural instability is a common complication in advanced Parkinson's disease (PD)
associated with recurrent falls and fall-related injuries. The test of retropulsion, consisting of …

Objective To examine the inter-and intra-rater reliability of the pull test in patients with
Parkinson's disease (PD) using the extracted pull force. Methods In this inter-and intra-rater …

Background: Parkinson's disease (PD) starts asymmetrically and it maintains a certain
degree of asymmetry throughout its course. Once functional disability proceeds, people with …

Postural sway is a result of a complex action-reaction feedback mechanism generated by
the interplay between the environment, the sensory perception, the neural system and the …

Postural instability is one of the cardinal symptoms of Parkinson's disease (PD). Postural
instability can present on diagnosis, and commonly becomes more prominent with disease …