In contrast, MVC values are independent of the assessment position and can be selected according to clinical needs. Moreover, pelvic floor muscle movement during pelvic floor muscle contraction in the standing position was significantly better than that measured in the supine position (SMD −0.47 95% CI −0.73 to 0.20 P < 0.001).Ĭonclusion: The results of this study showed that the RVC and PFM movement varied with the position of the assessment. The results of the meta-analysis showed significantly larger values of resting voluntary contractions (RVC) measured in the standing position compared to the supine position (SMD −1.76 95% CI −2.55 to −0.97 p < 0.001). There was no statistical difference in the results of maximum voluntary contraction (MVC) of the pelvic floor muscles when assessed in between supine and standing positions (SMD −0.22 95% CI −0.72 to 0.28 p = 0.38). Results: In total, we included 11 cross-sectional studies to ascertain the potential effect of body position on outcomes. Study appraisal and synthesis methods: We calculated standardized mean difference (SMD) with 95% confidence intervals (CI) to ascertain the potential effect of body position on outcomes. Study selection or eligibility criteria: Included cross-sectional studies had to involve the assessment of pelvic floor muscle function in at least two positions. Objectives: This systematic literature review and meta-analysis aimed to determine the effect of body position on the measurement of pelvic floor muscle (PFM) contractility and to analyze the influential factors.ĭata sources: Five databases (PubMed, Web of Science, EMBASE, Cochrane Library and Scopus) were searched for relevant studies published up to 12nd October 2023. 2Department of Rehabilitation, The Second Hospital of Jilin University, Changchun, China.1School of Nursing, Jilin University, Changchun, China.Lu Huang 1 † Zhi-Yuan Zhang 1 † Hong Liu 2 Min Gao 1 Xiao-Qi Wang 2 Xiao-Qin Duan 2 ‡ Zhong-Liang Liu 2 * ‡
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