MovDisordV3, Main, Exploration, bibRecord, 003462

Effect of object transport on grasp coordination in multiple system atrophy

Identifieur interne : 003462 ( Main/Exploration ); précédent : 003461; suivant : 003463

Effect of object transport on grasp coordination in multiple system atrophy

Auteurs : Lisa M. Muratori [États-Unis] ; Geraldine Dapul [États-Unis] ; Matthew N. Bartels [États-Unis] ; Andrew M. Gordon [États-Unis]

Source :

Movement Disorders [ 0885-3185 ] ; 2006-04.

RBID : ISTEX:8CCCDA71691FB20B3F74F8D9B8FB174F550CAC2B

Descripteurs français

Pascal (Inist)
- Atrophie multisystématisée, Coordination, Main, Manuel, Parkinson maladie, Système nerveux pathologie, Transport biologique.

English descriptors

KwdEn :
- Aged, Aged, 80 and over, Analysis of Variance, Biological transport, Case-Control Studies, Coordination, Electromagnetic Phenomena (methods), Female, Hand, Hand Strength (physiology), Humans, Male, Manuals, Middle Aged, Multiple System Atrophy (physiopathology), Multiple system atrophy, Nervous system diseases, Parkinson disease, Parkinson's disease, Psychomotor Performance (physiology), Reaction Time (physiology), Weight-Bearing (physiology), bradykinesia, hand, manual transport, multiple‐system atrophy, precision grip.
MESH :
- methods : Electromagnetic Phenomena.
- physiology : Hand Strength, Psychomotor Performance, Reaction Time, Weight-Bearing.
- physiopathology : Multiple System Atrophy.
- Aged, Aged, 80 and over, Analysis of Variance, Case-Control Studies, Female, Humans, Male, Middle Aged.

Abstract

We examined the effects of the parkinsonian variant of multiple‐system atrophy (MSA‐P) on grasp and forward transport and release of an object. Twelve patients with MSA‐P and 10 age‐matched control subjects performed the task with each of three object weights (200, 400, 800 gm). Subjects moved at a self‐selected pace using a precision grip. The grip (normal) and load (tangential) forces and the object position were recorded. Results indicate subjects with MSA‐P have temporal and force coordination deficits. Temporal delays were seen in all subjects with MSA‐P, leading to prolonged overall movement times compared to control subjects. These delays occurred throughout the task, with significantly longer transport phases and delays releasing the object. Despite demonstrating an appropriate anticipatory scaling of forces, with increasing grip and load forces for heavier weights, force coordination was compromised in subjects with MSA‐P. These subjects generated significant negative load forces prior to transporting the object. In addition, during the transport phase, subjects with MSA‐P generated highly variable grip forces. Overall, the results indicate that subjects with MSA‐P demonstrate bradykinesia and difficulty coordinating components of an object transport task. © 2005 Movement Disorder Society

Url:

https://api.istex.fr/document/8CCCDA71691FB20B3F74F8D9B8FB174F550CAC2B/fulltext/pdf

DOI: 10.1002/mds.20730

Affiliations:

Le document en format XML

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<front><div type="abstract" xml:lang="en">We examined the effects of the parkinsonian variant of multiple‐system atrophy (MSA‐P) on grasp and forward transport and release of an object. Twelve patients with MSA‐P and 10 age‐matched control subjects performed the task with each of three object weights (200, 400, 800 gm). Subjects moved at a self‐selected pace using a precision grip. The grip (normal) and load (tangential) forces and the object position were recorded. Results indicate subjects with MSA‐P have temporal and force coordination deficits. Temporal delays were seen in all subjects with MSA‐P, leading to prolonged overall movement times compared to control subjects. These delays occurred throughout the task, with significantly longer transport phases and delays releasing the object. Despite demonstrating an appropriate anticipatory scaling of forces, with increasing grip and load forces for heavier weights, force coordination was compromised in subjects with MSA‐P. These subjects generated significant negative load forces prior to transporting the object. In addition, during the transport phase, subjects with MSA‐P generated highly variable grip forces. Overall, the results indicate that subjects with MSA‐P demonstrate bradykinesia and difficulty coordinating components of an object transport task. © 2005 Movement Disorder Society</div>
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Movement Disorders (revue)

Effect of object transport on grasp coordination in multiple system atrophy

Effect of object transport on grasp coordination in multiple system atrophy

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

	Movement Disorders (revue)
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