Effects of Aquatic Intervention on Fall Risk, Hazard Perception, Calendar Planning and Brain Activity During Elderly
NCT ID: NCT03510377
Last Updated: 2020-01-18
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
42 participants
INTERVENTIONAL
2018-01-01
2020-01-01
Brief Summary
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Detailed Description
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Changes in cerebellar functional plasticity may mediate between the decline in balance, mobility and some executive functions during elderly. Studies have shown age-related decrease in structural morphology and function of the cerebellum. The traditional functions of the cerebellum mainly include involvement in the coordination of motor movements, maintenance of balance, and motor learning. Interestingly, studies have found that cerebellar alpha power has an important role in voluntary movement, as well as in higher non-motor cognitive functions such as working memory. Cerebellar activation during working memory task may reflect the automated simulation of cognitive operations.
Various forms of physical interventions were found beneficial to promote balance, mobility and executive function of working memory and inhibitory control performances and optimize brain structure and function during elderly. The environment in which the physical intervention occurs is important. Therefore, changing the environment of intervention from on-land to aquatic may result in changing of cerebellar activity, thereby influence on balance, mobility, working memory and inhibitory control abilities proven to be functions connected to the cerebellum.
Due to the characteristics of water (such as density and viscosity), an immersed individual is exposed to physical forces (e.g. specific gravity, thermodynamics and the meta-centric effect) that do not exist on land. Immersion improves balancing abilities by increasing the proprioceptive input to the immersed body. Sensory feedback is increased by promoting a sense of body awareness, as resistance to movement through water is greater than resistance to movement through air. In support of this view, a recent Magnetoencephalography (MEG) study among adults has shown improved verbal working memory ability following one month of intensive aquatic physical intervention. Improved verbal working memory was positively correlated with increased right cerebellar alpha power. In the purpose study we examine the effects of physical intervention in different environments on balance, mobility, working memory and inhibitory control abilities and brain activity in order to decrease aging effects that in turn might lower fall risk, increase safety of road users and improve planning and organizing everyday activities among community-dwelling older individuals.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
PREVENTION
NONE
Study Groups
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Aquatic physical intervention
Aquatic physical intervention: Ai-Chi
Aquatic physical intervention
For structured aquatic physical intervention group, the Ai-Chi method was selected. Ai-Chi is a simple aquatic exercise and relaxation method that uses a combination of deep breathing and slow movements of the arms, legs and torso in continual flowing patterns. The Ai-Chi intervention will occur in an hydrotherapy pool (34C).
On-land physical intervention
For controlled comparison of the structured physical intervention group the Tai-Chi method was selected (the same movements as the Ai-Chi). The Tai-Chi intervention will occur in a room.
Non physical intervention
The people who will be part of the non physical intervention will practice guided imagery of the Ai-Chi method. The guided imagery intervention will occur in a room.
On-land physical intervention
On-land physical intervention: Tai-Chi
Aquatic physical intervention
For structured aquatic physical intervention group, the Ai-Chi method was selected. Ai-Chi is a simple aquatic exercise and relaxation method that uses a combination of deep breathing and slow movements of the arms, legs and torso in continual flowing patterns. The Ai-Chi intervention will occur in an hydrotherapy pool (34C).
On-land physical intervention
For controlled comparison of the structured physical intervention group the Tai-Chi method was selected (the same movements as the Ai-Chi). The Tai-Chi intervention will occur in a room.
Non physical intervention
The people who will be part of the non physical intervention will practice guided imagery of the Ai-Chi method. The guided imagery intervention will occur in a room.
Non physical intervention
Non physical intervention: Guided imagery
Aquatic physical intervention
For structured aquatic physical intervention group, the Ai-Chi method was selected. Ai-Chi is a simple aquatic exercise and relaxation method that uses a combination of deep breathing and slow movements of the arms, legs and torso in continual flowing patterns. The Ai-Chi intervention will occur in an hydrotherapy pool (34C).
On-land physical intervention
For controlled comparison of the structured physical intervention group the Tai-Chi method was selected (the same movements as the Ai-Chi). The Tai-Chi intervention will occur in a room.
Non physical intervention
The people who will be part of the non physical intervention will practice guided imagery of the Ai-Chi method. The guided imagery intervention will occur in a room.
Interventions
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Aquatic physical intervention
For structured aquatic physical intervention group, the Ai-Chi method was selected. Ai-Chi is a simple aquatic exercise and relaxation method that uses a combination of deep breathing and slow movements of the arms, legs and torso in continual flowing patterns. The Ai-Chi intervention will occur in an hydrotherapy pool (34C).
On-land physical intervention
For controlled comparison of the structured physical intervention group the Tai-Chi method was selected (the same movements as the Ai-Chi). The Tai-Chi intervention will occur in a room.
Non physical intervention
The people who will be part of the non physical intervention will practice guided imagery of the Ai-Chi method. The guided imagery intervention will occur in a room.
Eligibility Criteria
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Inclusion Criteria
* Score above 24 in the Mini Mental State Examination
Exclusion Criteria
* Absence of longer than one week from the intervention
65 Years
ALL
Yes
Sponsors
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The Science, Technology and Space Ministry, Israel
UNKNOWN
Tel Aviv University
OTHER
Responsible Party
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Navah Ratzon
Professor, Occupational Therapist
Principal Investigators
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Navah Ratzon, Prof.
Role: PRINCIPAL_INVESTIGATOR
Tal Aviv University
Locations
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Sackler Faculty of Medicine
Tel Aviv, , Israel
Countries
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References
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Nissim M, Livny A, Barmatz C, Tsarfaty G, Berner Y, Sacher Y, Giron J, Ratzon NZ. Effects of aquatic physical intervention on fall risk, working memory and hazard-perception as pedestrians in older people: a pilot trial. BMC Geriatr. 2020 Feb 19;20(1):74. doi: 10.1186/s12877-020-1477-4.
Other Identifiers
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Michal Nissim
Identifier Type: -
Identifier Source: org_study_id
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