Head-pelvis coupling is increased during turning in patients with Parkinson's disease and freezing of gait.
Identifieur interne : 000969 ( Main/Exploration ); précédent : 000968; suivant : 000970Head-pelvis coupling is increased during turning in patients with Parkinson's disease and freezing of gait.
Auteurs : Joke Spildooren [Belgique] ; Sarah Vercruysse ; Elke Heremans ; Brook Galna ; Jochen Vandenbossche ; Kaat Desloovere ; Wim Vandenberghe ; Alice NieuwboerSource :
- Movement disorders : official journal of the Movement Disorder Society [ 1531-8257 ] ; 2013.
English descriptors
- KwdEn :
- Aged, Analysis of Variance, Biomechanical Phenomena (physiology), Freezing Reaction, Cataleptic (physiology), Gait Disorders, Neurologic (complications), Head (physiopathology), Humans, Mental Status Schedule, Middle Aged, Outcome Assessment (Health Care), Parkinson Disease (complications), Pelvis (physiopathology), Rotation, Statistics as Topic, Statistics, Nonparametric.
- MESH :
- complications : Gait Disorders, Neurologic, Parkinson Disease.
- physiology : Biomechanical Phenomena, Freezing Reaction, Cataleptic.
- physiopathology : Head, Pelvis.
- Aged, Analysis of Variance, Humans, Mental Status Schedule, Middle Aged, Outcome Assessment (Health Care), Rotation, Statistics as Topic, Statistics, Nonparametric.
Abstract
Turning is the most important trigger for freezing of gait (FOG). The aim of this study was to investigate the relationship between impaired head-pelvis rotation during turning and FOG. Head, trunk, and pelvic rotation were measured at onset and throughout a 180-degree turn in 13 freezers and 14 nonfreezers (OFF medication). We also studied 14 controls at preferred and slow speed to investigate the influence of turn velocity on axial rotation. Location and duration of FOG episodes were defined during the turn. At turning onset, head rotation preceded thorax and pelvic rotation in all groups, but this craniocaudal sequence disappeared when FOG occurred. Maximum head-pelvis separation was significantly greater in controls, compared to freezers and nonfreezers (35.4 versus 25.7 and 27.3 degrees; P < 0.01), but this finding was speed dependent. Timing of maximum head-pelvis separation was delayed in freezers, compared to nonfreezers and controls, irrespective of turn velocity. This delay was correlated with increased neck rigidity (R = 0.62; P = 0.02) and worsened during FOG trials. FOG occurred more often at the end of the turn, when difference in rotation velocity between head and pelvis was greatest. Even after controlling for speed and disease severity, turning in freezers was characterized by delayed head rotation and a closer coupling between head and pelvis, especially in turns where FOG occurred. These changes may be attributed to delayed preparation for the change in walking direction and, as such, contribute to FOG. © 2013 Movement Disorder Society.
DOI: 10.1002/mds.25285
PubMed: 23408374
Affiliations:
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Heremans</name></author><author><name sortKey="Galna, Brook" sort="Galna, Brook" uniqKey="Galna B" first="Brook" last="Galna">Brook Galna</name></author><author><name sortKey="Vandenbossche, Jochen" sort="Vandenbossche, Jochen" uniqKey="Vandenbossche J" first="Jochen" last="Vandenbossche">Jochen Vandenbossche</name></author><author><name sortKey="Desloovere, Kaat" sort="Desloovere, Kaat" uniqKey="Desloovere K" first="Kaat" last="Desloovere">Kaat Desloovere</name></author><author><name sortKey="Vandenberghe, Wim" sort="Vandenberghe, Wim" uniqKey="Vandenberghe W" first="Wim" last="Vandenberghe">Wim Vandenberghe</name></author><author><name sortKey="Nieuwboer, Alice" sort="Nieuwboer, Alice" uniqKey="Nieuwboer A" first="Alice" last="Nieuwboer">Alice Nieuwboer</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2013">2013</date><idno type="doi">10.1002/mds.25285</idno><idno type="RBID">pubmed:23408374</idno><idno type="pmid">23408374</idno><idno 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xml:lang="fr">Belgique</country><wicri:regionArea>Department of Rehabilitation Sciences, Katholieke Universiteit Leuven, Heverlee</wicri:regionArea><wicri:noRegion>Heverlee</wicri:noRegion></affiliation></author><author><name sortKey="Vercruysse, Sarah" sort="Vercruysse, Sarah" uniqKey="Vercruysse S" first="Sarah" last="Vercruysse">Sarah Vercruysse</name></author><author><name sortKey="Heremans, Elke" sort="Heremans, Elke" uniqKey="Heremans E" first="Elke" last="Heremans">Elke Heremans</name></author><author><name sortKey="Galna, Brook" sort="Galna, Brook" uniqKey="Galna B" first="Brook" last="Galna">Brook Galna</name></author><author><name sortKey="Vandenbossche, Jochen" sort="Vandenbossche, Jochen" uniqKey="Vandenbossche J" first="Jochen" last="Vandenbossche">Jochen Vandenbossche</name></author><author><name sortKey="Desloovere, Kaat" sort="Desloovere, Kaat" uniqKey="Desloovere K" first="Kaat" last="Desloovere">Kaat Desloovere</name></author><author><name sortKey="Vandenberghe, Wim" sort="Vandenberghe, Wim" uniqKey="Vandenberghe W" first="Wim" last="Vandenberghe">Wim Vandenberghe</name></author><author><name sortKey="Nieuwboer, Alice" sort="Nieuwboer, Alice" uniqKey="Nieuwboer A" first="Alice" last="Nieuwboer">Alice Nieuwboer</name></author></analytic><series><title level="j">Movement disorders : official journal of the Movement Disorder Society</title><idno type="eISSN">1531-8257</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aged</term><term>Analysis of Variance</term><term>Biomechanical Phenomena (physiology)</term><term>Freezing Reaction, Cataleptic (physiology)</term><term>Gait Disorders, Neurologic (complications)</term><term>Head (physiopathology)</term><term>Humans</term><term>Mental Status Schedule</term><term>Middle Aged</term><term>Outcome Assessment (Health Care)</term><term>Parkinson Disease (complications)</term><term>Pelvis (physiopathology)</term><term>Rotation</term><term>Statistics as Topic</term><term>Statistics, Nonparametric</term></keywords><keywords scheme="MESH" qualifier="complications" xml:lang="en"><term>Gait Disorders, Neurologic</term><term>Parkinson Disease</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Biomechanical Phenomena</term><term>Freezing Reaction, Cataleptic</term></keywords><keywords scheme="MESH" qualifier="physiopathology" xml:lang="en"><term>Head</term><term>Pelvis</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Aged</term><term>Analysis of Variance</term><term>Humans</term><term>Mental Status Schedule</term><term>Middle Aged</term><term>Outcome Assessment (Health Care)</term><term>Rotation</term><term>Statistics as Topic</term><term>Statistics, Nonparametric</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Turning is the most important trigger for freezing of gait (FOG). The aim of this study was to investigate the relationship between impaired head-pelvis rotation during turning and FOG. Head, trunk, and pelvic rotation were measured at onset and throughout a 180-degree turn in 13 freezers and 14 nonfreezers (OFF medication). We also studied 14 controls at preferred and slow speed to investigate the influence of turn velocity on axial rotation. Location and duration of FOG episodes were defined during the turn. At turning onset, head rotation preceded thorax and pelvic rotation in all groups, but this craniocaudal sequence disappeared when FOG occurred. Maximum head-pelvis separation was significantly greater in controls, compared to freezers and nonfreezers (35.4 versus 25.7 and 27.3 degrees; P < 0.01), but this finding was speed dependent. Timing of maximum head-pelvis separation was delayed in freezers, compared to nonfreezers and controls, irrespective of turn velocity. This delay was correlated with increased neck rigidity (R = 0.62; P = 0.02) and worsened during FOG trials. FOG occurred more often at the end of the turn, when difference in rotation velocity between head and pelvis was greatest. Even after controlling for speed and disease severity, turning in freezers was characterized by delayed head rotation and a closer coupling between head and pelvis, especially in turns where FOG occurred. These changes may be attributed to delayed preparation for the change in walking direction and, as such, contribute to FOG. © 2013 Movement Disorder Society.</div></front></TEI><affiliations><list><country><li>Belgique</li></country></list><tree><noCountry><name sortKey="Desloovere, Kaat" sort="Desloovere, Kaat" uniqKey="Desloovere K" first="Kaat" last="Desloovere">Kaat Desloovere</name><name sortKey="Galna, Brook" sort="Galna, Brook" uniqKey="Galna B" first="Brook" last="Galna">Brook Galna</name><name sortKey="Heremans, Elke" sort="Heremans, Elke" uniqKey="Heremans E" first="Elke" last="Heremans">Elke Heremans</name><name sortKey="Nieuwboer, Alice" sort="Nieuwboer, Alice" uniqKey="Nieuwboer A" first="Alice" last="Nieuwboer">Alice Nieuwboer</name><name sortKey="Vandenberghe, Wim" sort="Vandenberghe, Wim" uniqKey="Vandenberghe W" first="Wim" last="Vandenberghe">Wim Vandenberghe</name><name sortKey="Vandenbossche, Jochen" sort="Vandenbossche, Jochen" uniqKey="Vandenbossche J" first="Jochen" last="Vandenbossche">Jochen Vandenbossche</name><name sortKey="Vercruysse, Sarah" sort="Vercruysse, Sarah" uniqKey="Vercruysse S" first="Sarah" last="Vercruysse">Sarah Vercruysse</name></noCountry><country name="Belgique"><noRegion><name sortKey="Spildooren, Joke" sort="Spildooren, Joke" uniqKey="Spildooren J" first="Joke" last="Spildooren">Joke Spildooren</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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