Self-perceived and actual ability in the functional reach test in patients with parkinson's disease

Gilles Ryckewaert Marion Luyat 1 Melanie Rambour Celine Tard 2 Myriam Noel 1 Luc Defebvre 2 Arnaud Delval 2
1 PSITEC - Psychologie : Interactions, Temps, Emotions, Cognition (PSITEC) - EA 4072
2 DN2M - Troubles cognitifs dégénératifs et vasculaires
Abstract : Falls frequently occur during daily activities such as reaching for an object in patients with Parkinson's disease (PD). Misjudgment is also reported to be one of the circumstances that lead to falls. The functional reach test is an indicator of dynamic balance. The primary objective was to establish whether there is a difference between self-perceived and actual ability to perform the functional reach test in patients with PD who have never fallen. Three groups of participants (all with no history of falls) were studied: young adults, elderly adults and PD patients. The participants first estimated their maximum reaching distance (but without performing the action, i.e. as a motor imagery task) and then actually performed the functional reach test (i.e. as a motor task). No significant overestimation or underestimation was observed. The reaching distance was lower in PD than in the two other groups. There were no differences between PD patients and elderly adults in terms of the forward centre of pressure displacement. Seven PD patients reported a fall in the year following the experiment. The fallers had a longer history of disease. Finally, PD patients adequately estimated their ability in the functional reach test and did not adopt an "at risk" strategy and appeared to be quite conservative (as were healthy elderly adults) in their postural control behavior. Ability to estimate self-performance is preserved in PD patients with no clinical impairments of postural control although they are at risk of future falls.
Keywords : Mesh:Parkinson Disease/physiopathology* Mesh:Young Adult Mesh:Adult Mesh:Aged Mesh:Distance Perception* Mesh:Humans Mesh:Imagination Mesh:Middle Aged Mesh:Movement* Functional reach test Falls Posture Parkinson''s disease Mesh:Parkinson Disease/psychology Mesh:Adolescent
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Article dans une revue
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https://hal.univ-lille.fr/hal-02467128
Contributeur : Lilloa Université de Lille <>
Soumis le : mardi 4 février 2020 - 19:15:17
Dernière modification le : mercredi 5 février 2020 - 01:14:18

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UNIV-LILLE | PSITEC

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Gilles Ryckewaert, Marion Luyat, Melanie Rambour, Celine Tard, Myriam Noel, et al.. Self-perceived and actual ability in the functional reach test in patients with parkinson's disease. Neuroscience Letters, Elsevier, 2015, Neuroscience Letters, 589, pp.181-184. ⟨10.1016/j.neulet.2015.01.039⟩. ⟨hal-02467128⟩

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