concordância inter-observador em testes de avaliação proprioceptiva do joelho por goniometria inter-rater agreement at knee proprioception tests by goniometry
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2010
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Abstract
O propósito deste foi determinar o grau de concordância inter-avaliador de dois testes que mensuram a propriocepção do joelho por meio da goniometria, em uma amostra de universitárias (n=13; 23,8±6,4 anos). Mensurou-se a acurácia proprioceptiva pelos testes de percepção do limiar de movimento passivo lento (T1), movendo-se passivamente a perna até o ângulo alvo; e pelo teste de senso de posição articular (T2), solicitando-se movimento ativo até o ângulo alvo, previamente atingido passivamente. Os ângulos alvos foram sorteados e as medições feitas simultaneamente, de forma cega, por dois avaliadores, por meio de dois goniômetros idênticos posicionados nas faces medial e lateral do joelho. As participantes sinalizavam ao atingir o ângulo alvo, registrando-se, por ambos os avaliadores, os valores angulares efetivamente alcançados. A diferença (em números absolutos) entre o ângulo alvo e aquele alcançado foi considerada o "valor de erro", que reflete a acuidade proprioceptiva. Determinou-se a concordância inter-avaliador pelo teste de concordância de Kappa; os valores encontrados (T1, Kappa=0,55; T2, Kappa=0,58) mostram concordância moderada. Como a concordância inter-avaliador nos dois testes foi moderada, conclui-se que a goniometria é limitada, na avaliação proprioceptiva de movimento do joelho.
The purpose here was to determine inter-rater agreement in two tests that assess knee proprioception by goniometry, in a sample of 13 female university students (aged 23.8±6.4 years). Proprioceptive accuracy was measured by means of the passive movement threshold detection test (T1), where leg is passively moved to target angle, and the sense of joint position test (T2), in which active movement to (previously passively reached) target angle is required. Target angles were randomly selected; measurements were taken simultaneously by two (blinded) examiners at two identical goniometers placed at knee medial and lateral sides. When participants reported reaching the target angle, both evaluators recorded angle values actually reached. The difference (in absolute numbers) between target and reached angles was considered the"error value", which reflects proprioceptive acuity. Inter-rater agreement was determined by Kappa agreement test; Kappa values found were 0.55 at T1 and 0.58 at T2, pointing to moderate agreement. Since inter-rate agreement was moderate at both tests, it may be said that goniometry is of limited use for assessing knee proprioception.
The purpose here was to determine inter-rater agreement in two tests that assess knee proprioception by goniometry, in a sample of 13 female university students (aged 23.8±6.4 years). Proprioceptive accuracy was measured by means of the passive movement threshold detection test (T1), where leg is passively moved to target angle, and the sense of joint position test (T2), in which active movement to (previously passively reached) target angle is required. Target angles were randomly selected; measurements were taken simultaneously by two (blinded) examiners at two identical goniometers placed at knee medial and lateral sides. When participants reported reaching the target angle, both evaluators recorded angle values actually reached. The difference (in absolute numbers) between target and reached angles was considered the"error value", which reflects proprioceptive acuity. Inter-rater agreement was determined by Kappa agreement test; Kappa values found were 0.55 at T1 and 0.58 at T2, pointing to moderate agreement. Since inter-rate agreement was moderate at both tests, it may be said that goniometry is of limited use for assessing knee proprioception.
| Reference Key |
carvalho2010fisioterapiaconcordncia
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| Authors | ;Alberito Rodrigo de Carvalho;Márcio Edyr Rahn;Maiara Diedrichs;Andréia Coleto Lopes;Franciele Gregol;Renata Grochoski;Leonardo Mascarello Pozzer;Maurício Antônio Machado |
| Journal | linear algebra and its applications |
| Year | 2010 |
| DOI |
10.1590/S1809-29502010000100002
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