Immediate effects of an anchor system on the stability limit of individuals with chronic dizziness of peripheral vestibular origin

Coelho, Almir Resende; André, Ana Paula do Rego; Perobelli, Júlia Licursi Lambertti; Sonobe, Lilian Shizuka; Abreu, Daniela Cristina Carvalho de

doi:10.1016/j.bjorl.2015.12.008

Cited by 4 publications

(5 citation statements)

References 21 publications

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“…The limit of stability of a person is the distance they are willing and able to move without losing balance and taking a step, and is termed the perceived limit of stability (Coelho et al, 2017). The goal of most tests measuring limits of stability (LOS) is to examine an individual's ability to control their center of gravity (COG).…”

Section: The Training Groupmentioning

confidence: 99%

Effects of Combined Balance and Strength Training on Measures of Balance and Muscle Strength in Older Women With a History of Falls

Zouita

Ferchichi²,

Paillard

et al. 2020

Front. Physiol.

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ObjectiveWe investigated the effects of combined balance and strength training on measures of balance and muscle strength in older women with a history of falls.MethodsTwenty-seven older women aged 70.4 ± 4.1 years (age range: 65 to 75 years) were randomly allocated to either an intervention (IG, n = 12) or an active control (CG, n = 15) group. The IG completed 8 weeks combined balance and strength training program with three sessions per week including visual biofeedback using force plates. The CG received physical therapy and gait training at a rehabilitation center. Training volumes were similar between the groups. Pre and post training, tests were applied for the assessment of muscle strength (weight-bearing squat [WBS] by measuring the percentage of body mass borne by each leg at different knee flexions [0°, 30°, 60°, and 90°], sit-to-stand test [STS]), and balance. Balance tests used the modified clinical test of sensory interaction (mCTSIB) with eyes closed (EC) and opened (EO), on stable (firm) and unstable (foam) surfaces as well as spatial parameters of gait such as step width and length (cm) and walking speed (cm/s).ResultsSignificant group × time interactions were found for different degrees of knee flexion during WBS (0.0001 < p < 0.013, 0.441 < d < 0.762). Post hoc tests revealed significant pre-to-post improvements for both legs and for all degrees of flexion (0.0001 < p < 0.002, 0.697 < d < 1.875) for IG compared to CG. Significant group × time interactions were found for firm EO, foam EO, firm EC, and foam EC (0.006 < p < 0.029; 0.302 < d < 0.518). Post hoc tests showed significant pre-to-post improvements for both legs and for all degrees of oscillations (0.0001 < p < 0.004, 0.753 < d < 2.097) for IG compared to CG. This study indicates that combined balance and strength training improved percentage distribution of body weight between legs at different conditions of knee flexion (0°, 30°, 60°, and 90°) and also decreased the sway oscillation on a firm surface with eyes closed, and on foam surface (with eyes opened or closed) in the IG.ConclusionThe higher positive effects of training seen in standing balance tests, compared with dynamic tests, suggests that balance training exercises including lateral, forward, and backward exercises improved static balance to a greater extent in older women.

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Section: The Training Groupmentioning

confidence: 99%

Effects of Combined Balance and Strength Training on Measures of Balance and Muscle Strength in Older Women With a History of Falls

Zouita

Ferchichi²,

Paillard

et al. 2020

Front. Physiol.

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“…These alterations in the LoS can be attributed to impaired detection of linear deceleration due to input deficit, and can cause functional incapacity and increase the risk of falls. 20…”

Section: Discussionmentioning

confidence: 99%

“…The parameters measured in this test were: step width (WTSW), progression speed (WTPS), and step length (WTSL). 20…”

Section: Methodsmentioning

confidence: 99%

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Severe Dizziness Related to Postural Instability, Changes in Gait and Cognitive Skills in Patients with Chronic Peripheral Vestibulopathy

Coelho

Perobelli

Sonobe

et al. 2019

Int Arch Otorhinolaryngol

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Introduction Peripheral vestibular disorders can lead to cognitive deficits and are more common in elderly patients. Objective To evaluate and correlate cognitive, balance and gait aspects in elderly women with chronic peripheral vestibular dizziness, and to compare them with elderly women without vestibular disorders. Methods Twenty-two women presenting peripheral vestibular dizziness episodes for at least six months participated in the study. The individuals were categorized by dizziness severity level: moderate ( n = 11) or severe ( n = 11). The control group ( n = 11) included women showing no vestibulopathy, light-headedness or dizziness. Cognitive assessments and semi-static and dynamic balance assessments were performed with the Balance Master (Neurocom International, Inc., Clackamas, OR), while the Dizziness Handicap Inventory provided a score for the severity of the symptoms. The groups were submitted to statistics of inference and correlation between cognitive, balance and stability variables. Results The group with severe dizziness showed higher sway speed of the center of pressure in the anteroposterior direction, smaller step length, and slower gait than the control group. Regarding the cognitive variables, the group with severe dizziness symptoms presented significant correlations with stability and gait variables. Conclusion The relationship between cognitive aspects, balance and gait was stronger in women with severe dizziness than in those with no vestibulopathy.

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“…Dizziness is characterized as the symptom of disturbed or impaired spatial orientation 6 . Middle-aged and older adults with DM2 who had dysfunctions in other organs and systems, as cardiovascular alterations, peripheral neuropathies, and vestibular symptoms, also present a greater risk of postural imbalance, making them more fragile and vulnerable to falls [7][8][9] .…”

Section: Introductionmentioning

confidence: 99%

Association between diabetes and vestibular dysfunction: an integrative review

2020

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Purpose: to identify, in the literature, the factors associated with the development of vestibular dysfunctions in individuals with type 2 diabetes mellitus (DM2). Methods: an integrative review of the literature, whose survey was conducted in the databases ISI, SciELO, LILACS and PubMed, using the following descriptors: “type 2 diabetes mellitus”, “vertigo”, “dizziness”, and “vestibular diseases". Articles published in the last 10 years that answered the research question (“What factors are associated with the development of vestibular disorders in individuals with DM2?”) were included in the study. Results: the search returned 426 articles, 10 of which met the eligibility criteria. Most of the participants of the selected studies who had vestibular dysfunctions were women over 40 years old and had more than one comorbidity related to DM2, the main one being the systemic arterial hypertension (SAH). According to the literature, the physiology of the inner ear allows small glucose alterations to influence its normal functioning, which makes diabetic individuals more susceptible to developing vestibular dysfunctions. Conclusion: according to this study, DM2 can trigger or contribute to the manifestation of vestibular dysfunction, whose main associated factors are advanced age, female gender, and various comorbidities, as dyslipidemia, SAH and metabolic syndrome.

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Immediate effects of an anchor system on the stability limit of individuals with chronic dizziness of peripheral vestibular origin

Cited by 4 publications

References 21 publications

Effects of Combined Balance and Strength Training on Measures of Balance and Muscle Strength in Older Women With a History of Falls

Effects of Combined Balance and Strength Training on Measures of Balance and Muscle Strength in Older Women With a History of Falls

Severe Dizziness Related to Postural Instability, Changes in Gait and Cognitive Skills in Patients with Chronic Peripheral Vestibulopathy

Association between diabetes and vestibular dysfunction: an integrative review

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