What is the most effective verbal instruction for correctly contracting the pelvic floor muscles?
Abstract
The purpose of the present study was to compare the effectiveness of four different verbal instructions in correctly contracting pelvic floor muscles (PFMs), examined as a displacement of the pelvic floor by transabdominal ultrasound. Fifty-six female undergraduate physiotherapy students, mean age 24.2 ± 2.5 years, participated in the study. A 6 MHz 35-mm curved linear array ultrasound transducer (Mindray M5) was placed in the transverse plane, suprapubically over the lower abdomen and angled at 15-30° from the vertical depending. The participants were randomly divided into two groups: posterior and anterior. Each group received four different verbal instructions as to how to correctly contract the PFMs. Only one verbal instruction differed between the groups: "squeeze the anus" (posterior group) compared with "stop the flow of urine" (anterior group). In the posterior group, 27 participants (90%) performed a correct contraction compared with 17 participants (65%) in the anterior group, thus demonstrating a statistically significant difference in favor of the "anus" instruction (P = 0.025). Forty-seven participants (84%) exhibited a downward movement during the verbal instruction combining transversus abdominis contractions wit...Continue Reading
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