Departamento de Procesos Terapéuticos, Universidad Católica de Temuco UCT, La Araucanía, Temuco, Chile.
Departamento de Fisioterapia, Federal University of Rio Grande do Norte UFRN, Natal, Rio Grande do Norte (RN), Brazil.
PLoS One. 2023 Feb 15;18(2):e0280465. doi: 10.1371/journal.pone.0280465. eCollection 2023.
There is scarce evidence on changes at the functional level associated with the respiratory area in women. This study aims to analyse the relationship between inspiratory muscle strength and balance in women.
In this cross-sectional observational study, the sample consisted of groups according to the results obtained in the balance test. Inspiratory muscle weakness was defined as maximum inspiratory pressure (MIP) ≤ 80% of the predictive value. MIP was carried out using through a mouthpiece, with an electronic manometer. Logistic regression model was used to examine if MIP predicts balance.
159 women participated in the study. Approximately 20% of them achieved balance ≤ 2 seconds and 18% presented MIP≤80%. MIP was associated with the time achieved in the one-leg support test. Subjects with MIP ≤ 80% of the predictive value show 3 times more risk of having a lower performance in the balance test (OR = 3.26).
Inspiratory muscle weakness is associated with deficient balance in this sample. It shows the need for multidimensional assessment and rehabilitation strategies for patients identified as having MIP weakness and/or balance disorders.
关于女性呼吸区域功能变化的证据很少。本研究旨在分析呼吸肌力量与女性平衡之间的关系。
在这项横断面观察性研究中，样本根据平衡测试的结果进行分组。吸气肌无力定义为最大吸气压力（MIP）≤预测值的 80%。使用带电子血压计的口器进行 MIP 测量。使用逻辑回归模型检查 MIP 是否可以预测平衡。
共有 159 名女性参与了研究。约 20%的女性平衡时间≤2 秒，18%的女性 MIP≤80%。MIP 与单腿支撑测试的时间有关。MIP 低于预测值的 80%的受试者在平衡测试中的表现更差的风险增加 3 倍（OR=3.26）。
在本研究中，吸气肌无力与平衡能力不足有关。这表明需要对存在 MIP 无力和/或平衡障碍的患者进行多维评估和康复策略。
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