Amir Massoud Arab, Iraj Abdollahi, Mohammad Taghi Joghataei, Zahra Golafshani, Anoshirvan Kazemnejad

Abstract

The sacroiliac joint (SIJ) has been implicated as a potential source of low back and buttock pain. Several types of motion palpation and provocation tests are used to examine the SIJ. It has been suggested that use of a cluster of motion palpation or provocation tests is a more acceptable method than single test to assess SIJ. This study examined the inter- and intra-examiner reliability of single and composites of the motion palpation and provocation tests together. Twenty-five patients between the ages of 20 and 65 years participated. Four motion palpation and three provocation tests were examined three times on both sides (left, right) by two examiners. Kappa coefficient and prevalence-adjusted and bias-adjusted kappa (PABAK) were calculated to evaluate the reliability.


M Chehrehrazi, AM Arab, N Karimi, M Zargham

Abstract

Introduction and hypothesis

Transabdominal (TA) ultrasound and perineometry have been currently used to assess lifting aspect and squeezing action of pelvic floor muscles (PFM) function, respectively, in women with stress urinary incontinence (SUI). However, no study has directly compared these measurements. The purpose of this study was to investigate the reliability and correlation between perineometry and TA ultrasound as measurements of different aspect of PFM function.

Methods

A total of 28 women with SUI participated in the study. Vaginal squeeze pressure using a perineometer and bladder base movement on TA ultrasound was measured. Scattergram was depicted to determine the correlation between variables. Intraclass correlation coefficient and Bland–Altman plot were used to assess reliability.

Results

Scatter diagram depicted significant correlation of TA ultrasound with vaginal squeeze pressure (r = ۰٫۷۲, R2 = ۰٫۵۲, p < ۰٫۰۰۰۱). High reliability was found for measurements.

Conclusion

TA ultrasound measurement may be an alternative measurement to perineometry when assessing PFM function.

Keywords

Pelvic floor muscles, Perineometry, Transabdominal ultrasound, Stress urinary incontinence, Vaginal squeeze pressure, Reliability 


AM Arab, R Bazaz Behbahani, L Lorestani, A Azari

Abstract

Pelvic floor muscle (PFM) dysfunction has been recently associated with the development of low back pain (LBP). Transabdominal ultrasound imaging has been established as an appropriate method for visualizing and measuring PFM function. No study has directly evaluated PFM function in individuals with and without LBP. The purpose of this study was to investigate the PFM function in women with and without LBP using transabdominal ultrasound. Convenience sample of 40 non-pregnant female participated in the study. Subjects were categorized into two groups: with LBP (n = ۲۰) and without LBP (n = ۲۰). The amount of bladder base movement on ultrasound (normalized to body mass index) was measured in all subjects and considered as an indicator of PFM function. Statistical analysis (Independent t-test) revealed significant difference in transabdominal ultrasound measurements for PFM function between the two groups (P = ۰٫۰۴, ۹۵% CI of difference: 0.002–۰٫۲۷).

The results of this study indicate PFM dysfunction in individuals with LBP compared to those without LBP. The results could be beneficial to clinicians when assessing and prescribing therapeutic exercises for patients with LBP.

Keywords:

Pelvic floor muscles, Low back pain, Transabdominal ultrasound

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Pelvic oor muscle (PFM) dysfunction has been commonly associated with urinary disorders and lumbo-pelvic pain. Transabdominal (TA) ultrasound is currently used by physical therapists to assess PFM function. Controversy exists regarding the correlation between TA ultrasound measurement and vaginal palpation for assessment of PFM contraction, and this relationship has not yet been examined concurrently during the same contraction. The purpose of this study was to determine the correlation of digital palpation and TA ultrasound to assess PFM contraction when recorded 1) simultaneous to digital palpation during one contraction and 2) following digital palpation testing in another contraction.


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