Ability to modulate walking cadence remains intact in Parkinson's disease.

Morris, Meg E.; Iansek, Robert; Matyas, Thomas A.; Summers, Jeffery J.

doi:10.1136/jnnp.57.12.1532

Cited by 286 publications

(245 citation statements)

References 9 publications

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“…Gait disturbance in PD and the effect of levodopa on gait have been widely studied, using different methods. The main impairments of gait features in PD are a slower velocity, a shorter stride length, a tendency to a longer duration of the double limb support [2,6-8, 14, 16, 19, 22-23, 31-34, 36-37], but a cadence within the normal range [31][32][33]36]. Our results are similar to these reports.…”

Section: Discussionsupporting

confidence: 88%

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Effect of bilateral subthalamic nucleus stimulation on parkinsonian gait

Xie¹,

Krack²,

Benabid

et al. 2001

Journal of Neurology

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Section: Discussionsupporting

confidence: 88%

“…Gait analysis was carried out using a commercially available stride analyser (B and L Engineering, Santa Fe Springs, California, USA) that is widely used to assess gait parameters in PD [31][32]. This system consisted of a pair of foot switches, a manual start-stop controller and a recorder for data storage.…”

Section: S Methodsmentioning

confidence: 99%

Effect of bilateral subthalamic nucleus stimulation on parkinsonian gait

Xie¹,

Krack²,

Benabid

et al. 2001

Journal of Neurology

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“…In healthy subjects, walking is automated and rhythmic, and limb movements are replicated from stride-to-stride while free walking (Morris, Iansek, Matyas, & Summers, 1994b).…”

Section: Gait Hypokinesia In Parkinson's Disease: Velocity and Stridementioning

confidence: 99%

“…There can also be problems with initiation of gait, difficulty turning and freezing of gait (Tan, Danoudis, McGinley, & Morris, 2012). Throughout the progression of the PD, gait abnormalities can lead to an increased fall risk, loss of mobility, and loss of independence (Morris et al, 1994b).…”

Section: Gait Hypokinesia In Parkinson's Disease: Velocity and Stridementioning

confidence: 99%

“…Previous studies have shown that individuals with PD have a reduced gait velocity of 25-40%, and reduced stride length of 15-27% relative to control participants O'Shea et al, 2002;Morris, Iansek, Matyas, Summers, 1994a;Morris et al, 1994b;Mak, 2013). A number of previous studies have revealed that the regulation of stride length is the fundamental deficit of gait hypokinesia in PD (Morris et al, 1994a b;Mak, 2013).…”

Section: Gait Hypokinesia In Parkinson's Disease: Velocity and Stridementioning

confidence: 99%

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Effect of concurrent walking and interlocutor distance on conversational speech intensity and rate in Parkinson's disease

et al. 2016

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This study examined the effects of concurrent walking tasks and interlocutor distance on conversational speech production in fifteen individuals with idiopathic Parkinson's disease (PD) and fourteen age-equivalent controls. Recent studies of speech in PD have demonstrated that changes in the behavioural conditions and the environmental context can have a powerful effect on the severity of speech symptoms in PD. This investigation focused on changes in speech intensity and speech rate in response to changes in walking speed and interlocutor distance. Results suggest that the introduction of a concurrent walking task significantly increased the conversational speech intensity of both controls and individuals with PD. When compared to sitting and talking or standing and talking, current walking and talking appeared to have an energizing effect on conversational speech intensity. In addition, walking faster was associated with a significant increase in conversational speech intensity relative to normal and slow walking speeds. These results provide important new information about the effect of concurrent walking on speech motor performance and speech symptom severity in PD. The potential energizing effect of concurrent walking conditions on conversational speech intensity may be an important consideration in the assessment and treatment of individuals with low speech intensity in PD.

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International symposium on gait disorders, Prague, Czech Republic September 4-6, 1999

2000

Mov. Disord.

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Ability to modulate walking cadence remains intact in Parkinson's disease.

Cited by 286 publications

References 9 publications

Effect of bilateral subthalamic nucleus stimulation on parkinsonian gait

Effect of bilateral subthalamic nucleus stimulation on parkinsonian gait

Effect of concurrent walking and interlocutor distance on conversational speech intensity and rate in Parkinson's disease

International symposium on gait disorders, Prague, Czech Republic September 4-6, 1999

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