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Randomized Controlled Trial
. 2016 Mar 22;20(3):248-57.
doi: 10.1590/bjpt-rbf.2014.0148.

The effects of training by virtual reality or gym ball on pelvic floor muscle strength in postmenopausal women: a randomized controlled trial

Natalia M Martinho  1 , Valéria R Silva  1   2 , Joseane Marques  1   2 , Leonardo C Carvalho  1 , Denise H Iunes  1 , Simone Botelho  1   2
Affiliations
Randomized Controlled Trial

The effects of training by virtual reality or gym ball on pelvic floor muscle strength in postmenopausal women: a randomized controlled trial

Natalia M Martinho et al. Braz J Phys Ther. .

Abstract

Objective: To evaluate the effectiveness of abdominopelvic training by virtual reality compared to pelvic floor muscle training (PFMT) using a gym ball (a previously tested and efficient protocol) on postmenopausal women's pelvic floor muscle (PFM) strength.

Method: A randomized controlled trial was conducted with 60 postmenopausal women, randomly allocated into two groups: Abdominopelvic training by virtual reality - APT_VR (n=30) and PFMT using a gym ball - PFMT_GB (n=30). Both types of training were supervised by the same physical therapist, during 10 sessions each, for 30 minutes. The participants' PFM strength was evaluated by digital palpation and vaginal dynamometry, considering three different parameters: maximum strength, average strength and endurance. An intention-to-treat approach was used to analyze the participants according to original groups.

Results: No significant between-group differences were observed in most analyzed parameters. The outcome endurance was higher in the APT_VR group (p=0.003; effect size=0.89; mean difference=1.37; 95% CI=0.46 to 2.28).

Conclusion: Both protocols have improved the overall PFM strength, suggesting that both are equally beneficial and can be used in clinical practice. Muscle endurance was higher in patients who trained using virtual reality.

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Figures

Figure 1
Figure 1. Studied population. APT_VR: Abdominopelvic training by virtual reality; PFMT_GB: Pelvic floor muscle training using a gym ball.
Figure 2
Figure 2. The participant’s position during abdominopelvic training by virtual reality. The virtual reality exercises were carried out, focusing on the abdominopelvic cavity, while sitting on a Wii Balance Board™. The participant was advised to perform different exercises using pelvic movements (anteversion, retroversion, lateral tilt, and circumduction), as well as, gently, contract the lower abdominal region (transversus abdominis muscle).
See this image and copyright information in PMC

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