Impaired vertical postural control and proprioceptive integration deficits in Parkinson’s disease

In-Home Posture Evaluation and Visual Feedback Training to Improve Posture with a Kinect-Based System in Parkinson’s Disease

“…In individuals with PD, the performance of postural orientation tasks in the vertical plane with eyes open is better than that with eyes closed, indicating that vertical control during standing with the visual sense is able to-at least partially-compensate for proprioceptive impairment [19,20]. Visual feedback might thus promote correction of the posture in individuals with PD with postural abnormalities.…”

Postural Control While Sitting and Its Association with Risk of Falls in Patients with Parkinson's Disease

“…Steiger et al (1996) reported that PD patients had difficulty in coordinating the orientation of the axial segments along the spinal axis. Several investigators also reported that the proprioceptive feedback information to the static position and movement perception processing decreased in PD patients (Zia et al, 2002;Keijsers et al, 2005;Vaugoyeau et al, 2007). In this study, the body inclination was observed during the arm-raising test, and the R-value was constant.…”

“…Adopting an appropriate body orientation, and maintaining this posture to the displacing effects of gravity or external forces is essential for postural control. Patients with Parkinson's disease had difficulty in postural control, especially the control of body vertically (Vaugoyeau et al, 2007;Hayashi et al, 2010). Steiger et al (1996) reported that PD patients had difficulty in coordinating the orientation of the axial segments along the spinal axis.…”

Balance and Gait Rehabilitation in Patients with Parkinson’s Disease

“…With regards to the pathogenesis of the stooped posture, some experiments suggest that an abnormality of the trunk alignment perception may have a causal role. For example, in situations where the support surface is shifted from a purely horizontal position, PD patients have difficulty in re-orienting themselves to a vertical position without the aid of visual cues (Vaugoyeau et al, 2007;Proctor et al, 1964). Because of their defective axial kinaesthesia, patients might also falsely perceive their subjective vertical to be shifted backward, forcing them to adopt a stooped posture (Kitamura et al, 1993).…”