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Master's Dissertation
DOI
https://doi.org/10.11606/D.100.2020.tde-12022021-112556
Document
Author
Full name
Audrea Regina Ferro Lara
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2020
Supervisor
Committee
Costa, Paula Hentschel Lobo da (President)
Amadio, Alberto Carlos
Paolillo, Fernanda Rossi
Title in Portuguese
Y Balance Test-aged: adaptação de instrumento e protocolo do YBT para mulheres idosas ativas estudo de confiabilidade
Keywords in Portuguese
Controle do equilíbrio
Dores lombares
Estudo de confiabilidade
Quedas acidentais
Serviços de saúde para idosos
Abstract in Portuguese
Alterações no comprimento, na velocidade e no tempo da fase de suporte duplo da passada ocorrem com o avançar da idade e aumentam o risco de lesão e quedas na população idosa, onde aproximadamente 50% das quedas acontecem durante a marcha. Os testes funcionais, que avaliam o equilíbrio, existentes na literatura são apropriados para população idosa frágil ou para adultos jovens e atletas, causando assim o Efeito Teto quando aplicados a população idosa ativa. Portanto, a validação de um equipamento e protocolo adequados para avaliar o equilíbrio, específicos para população idosa ativa, é de grande relevância científica e clínica. Com isso, os objetivos deste estudo foram: a) construir uma versão do Y Balance Test adaptada para mulheres idosas e ativas; b) determinar a confiabilidade entre sessões do instrumento e do protocolo adaptados; e c) classificar o desempenho de mulheres idosas e ativas na execução do protocolo. O instrumento foi desenhado e construído, o protocolo adaptado, os sujeitos selecionados e os testes aplicados tendo por amostragem 51 mulheres idosas ativas com idade superior a 60 anos, que realizaram o teste-reteste no intervalo de uma semana. Foram aplicados questionários prévios para verificar a presença de dor lombar e medo de quedas. Para o estudo de confiabilidade foram calculados o Coeficiente de Correlação Intraclasse (ICC), o Erro Padrão de Medida (SEM) e a Diferença Mínima Detectável (MDC), além de ser avaliada a concordância entre as réplicas das medidas por meio do gráfico de Bland-Altman. O Escore Composto (CS), corrigido pelo Comprimento do membro inferior (LL) apresentou um ICC95% variando entre 0,94 a 0,95 com SEM de 0,81% a 0,88% e MDC95% de 2,24 a 2,42 para o Intervalo de Confiança de 95%. O YBT-Aged demonstrou alta confiabilidade teste-reteste. As adaptações do equipamento e protocolo, comparadas à versão original, aumentaram a segurança, reduziram o tempo de teste e melhoram sua efetividade para avaliar o equilíbrio em idosas ativas
Title in English
Y Balance Test-Aged: Adaptation of the YBT instrument and protocol for active elderly women - Reliability study.
Keywords in English
Accidental falls
Balance control
Health services for the aged
Lower back pain
Reliability
Abstract in English
Changes in length, speed and time of the double support phase of the stride occur with advancing age and increase the risk of injury and falls in the elderly population, where approximately 50% of falls occur during gait. Functional tests, which assess balance, existing in the literature are appropriate for the frail elderly population or for young adults and athletes, thus causing the Ceiling Effect when applied to the active elderly population. Therefore, the validation of an appropriate piece of equipment and protocol to assess balance, specific to the active elderly population, might have great relevance for both, science and clinical support. Therefore, this research has the aim to: a) adapt the Y Balance Test instrument and protocol for active elderly women; b) determine the test-retest reliability between sessions; and c) suggest a performance classification for this population. To this end, the instrument was designed and built, the protocol was adapted, the subjects were selected, and the tests were applied to a sampling 51 active elderly women over the age of 60 years old, who underwent the test-retest in the interval of one week. Questionnaires were applied to verify whether the participants had or not low back pain and fear of falls. For the reliability of the study, the Intraclass Correlation Coefficient (ICC), Standard Error Measure (SEM) and Minimal Difference Detectable (MDC) were calculated, and the correlation between the replicates of the measures was verified using the Bland Altman graph. The Composite Score (CS), corrected by the Leg Length (LL) presented a ICC95% ranging from 0.94 to 0.95 with SEM from 0.81% to 0.88% and MDC95% from 2.24 to 2,42 for the 95% Confidence Interval. YBT-Aged showed high test-retest reliability. The adaptations of the equipment and protocol, compared to the original version, increased safety, reduced the testing time and improved its effectiveness to assess balance in active elderly women. This suggested performance for this population are described and attached to this study
 
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Publishing Date
2021-08-19
 
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