Correlation between maximum voluntary contraction and endurance measured by digital palpation and manometry: An observational study
Data
2016
Autores
Fitz, Fatima Fani 
Stupp, Liliana
Costa, Thais Fonseca
Sartori, Marair Gracio Ferreira
Girão, Manoel João Batista Castello
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Introduction: Digital palpation and manometry are methods that can provide information regarding maximum voluntary contraction (MVC) and endurance of the pelvic floor muscles (PFM), and a strong correlation between these variables can be expected. Objective: To investigate the correlation between MVC and endurance, measured by digital palpation and manometry. Method: Forty-two women, with mean age of 58.1 years (+/- 10.2), and predominant symptoms of stress urinary incontinence (SUI), were included. Examination was firstly conducted by digital palpation and subsequently using a Peritron manometer. MVC was measured using a 0-5 score, based on the Oxford Grading Scale. Endurance was assessed based on the PERFECT scheme. Results: We found a significant positive correlation between the MVC measured by digital palpation and the peak manometric pressure (r= 0.579, p< 0.001), and between the measurements of the endurance by Peritron manometer and the PERFECT assessment scheme (r= 0.559, p< 0.001). Conclusion: Our results revealed a positive and significant correlation between the capacity and maintenance of PFM contraction using digital and manometer evaluations in women with predominant symptoms of SUI.
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Revista Da Associacao Medica Brasileira. Sao Paulo, v. 62, n. 7, p. 635-640, 2016.