HapticV1, Main, Exploration, bibRecord, 002331

Light and heavy touch reduces postural sway and modifies axial tone in Parkinson’s disease

Identifieur interne : 002331 ( Main/Exploration ); précédent : 002330; suivant : 002332

Light and heavy touch reduces postural sway and modifies axial tone in Parkinson’s disease

Auteurs : Erika Franzén [États-Unis, Suède] ; Caroline Paquette [États-Unis] ; Victor Gurfinkel [États-Unis] ; Fay Horak [États-Unis]

Source :

Neurorehabilitation and neural repair [ 1545-9683 ] ; 2012.

RBID : PMC:4074017

English descriptors

KwdEn :
- Activities of Daily Living, Aged, Analysis of Variance, Dopamine Agents (therapeutic use), Hand Strength (physiology), Hip (physiopathology), Humans, Levodopa (therapeutic use), Male, Middle Aged, Parkinson Disease (complications), Parkinson Disease (drug therapy), Physical Therapy Modalities, Postural Balance (drug effects), Postural Balance (physiology), Posture (physiology), Pressure, Sensation Disorders (etiology), Sensation Disorders (rehabilitation), Severity of Illness Index, Torque, Touch (drug effects), Touch (physiology).
MESH :
- chemical , therapeutic use : Dopamine Agents, Levodopa.
- complications : Parkinson Disease.
- drug effects : Postural Balance, Touch.
- drug therapy : Parkinson Disease.
- etiology : Sensation Disorders.
- physiology : Hand Strength, Postural Balance, Posture, Touch.
- physiopathology : Hip.
- rehabilitation : Sensation Disorders.
- Activities of Daily Living, Aged, Analysis of Variance, Humans, Male, Middle Aged, Physical Therapy Modalities, Pressure, Severity of Illness Index, Torque.

Abstract

Background

Light touch with a stable object reduces postural sway by increasing axial postural tone in healthy subjects. However, it is unknown whether subjects with Parkinson’s disease (PD), who have more postural sway and higher axial postural tone than healthy subjects, can benefit from haptic touch.

Objective

To investigate the effect of light and heavy touch on postural stability and hip tone in subjects with PD.

Methods

Fourteen subjects with mid-stage PD, and 14 healthy control subjects were evaluated during quiet standing with eyes closed with their arms: 1) crossed, 2) lightly touching a fixed rigid bar in front of them and 3) firmly gripping the bar. Postural sway was measured with a forceplate and axial hip tone was quantified using a unique device that measures the resistance of the hips to yaw rotation while maintaining active stance.

Results

Subjects with PD significantly decreased their postural sway with light or heavy touch (p<0.001 vs. arms crossed), similarly as control subjects. Without touch, hip tone was larger in PD subjects. With touch, however, tone values were similar in both groups. This change in hip tone with touch was highly correlated with the initial amount of tone (PD: r=− 0.72 to −0.95 and controls: r=−0.74 to−0.85).

Conclusions

We showed, for the first time, that subjects with PD benefit from touch similarly to control subjects and that despite higher axial postural tone, PD subjects are able to modulate their tone with touch. Future studies should investigate the complex relationship between touch and postural tone.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4074017

DOI: 10.1177/1545968312437942
PubMed: 22415944
PubMed Central: 4074017

Affiliations:

Le document en format XML

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<term>Hand Strength (physiology)</term>
<term>Hip (physiopathology)</term>
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<term>Levodopa (therapeutic use)</term>
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<front><div type="abstract" xml:lang="en"><sec id="S1"><title>Background</title>
<p id="P1">Light touch with a stable object reduces postural sway by increasing axial postural tone in healthy subjects. However, it is unknown whether subjects with Parkinson’s disease (PD), who have more postural sway and higher axial postural tone than healthy subjects, can benefit from haptic touch.</p>
</sec>
<sec id="S2"><title>Objective</title>
<p id="P2">To investigate the effect of light and heavy touch on postural stability and hip tone in subjects with PD.</p>
</sec>
<sec id="S3"><title>Methods</title>
<p id="P3">Fourteen subjects with mid-stage PD, and 14 healthy control subjects were evaluated during quiet standing with eyes closed with their arms: 1) crossed, 2) lightly touching a fixed rigid bar in front of them and 3) firmly gripping the bar. Postural sway was measured with a forceplate and axial hip tone was quantified using a unique device that measures the resistance of the hips to yaw rotation while maintaining active stance.</p>
</sec>
<sec id="S4"><title>Results</title>
<p id="P4">Subjects with PD significantly decreased their postural sway with light or heavy touch (p<0.001 vs. arms crossed), similarly as control subjects. Without touch, hip tone was larger in PD subjects. With touch, however, tone values were similar in both groups. This change in hip tone with touch was highly correlated with the initial amount of tone (PD: r=− 0.72 to −0.95 and controls: r=−0.74 to−0.85).</p>
</sec>
<sec id="S5"><title>Conclusions</title>
<p id="P5">We showed, for the first time, that subjects with PD benefit from touch similarly to control subjects and that despite higher axial postural tone, PD subjects are able to modulate their tone with touch. Future studies should investigate the complex relationship between touch and postural tone.</p>
</sec>
</div>
</front>
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<name sortKey="Paquette, Caroline" sort="Paquette, Caroline" uniqKey="Paquette C" first="Caroline" last="Paquette">Caroline Paquette</name>
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<country name="Suède"><region name="Svealand"><name sortKey="Franzen, Erika" sort="Franzen, Erika" uniqKey="Franzen E" first="Erika" last="Franzén">Erika Franzén</name>
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Serveur d'exploration sur les dispositifs haptiques

Light and heavy touch reduces postural sway and modifies axial tone in Parkinson’s disease

Light and heavy touch reduces postural sway and modifies axial tone in Parkinson’s disease

Source :

English descriptors

Abstract

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