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Influence of Ultrasound Transducer Tilt in the Cranial and Caudal Directions on Measurements of Inter-Rectus Distance in Parous Women

PHYSIOTHER CANADA , 2018, vol. 70, n° 1, p. 6-10
Doc n°: 186700
Localisation : Documentation IRR

D.O.I. : http://dx.doi.org/DOI:10.3138/ptc.2016-38
Descripteurs : KA911 - ELECTROTHERAPIE

An increased inter-rectus distance (IRD) can persist after a pregnancy
and may be associated with lumbopelvic dysfunction. Ultrasound imaging (USI) is
currently the gold standard for measuring IRD; however, no study has explored the
need to standardize the transducer angle during these evaluations. The purpose of
this study was to determine whether the angle of the ultrasound transducer
relative to the underlying abdominal wall has an effect on measurements of IRD in
parous women. Method: Ultrasound images of the linea alba (LA) were captured from
15 women, at rest and during a head lift, beginning with images acquired
perpendicular to the LA at the midline, then tilted in 5 degrees increments to 15
degrees in both the cranial and the caudal directions. Repeated-measures analyses
of variance were used to test for systematic differences in IRD measurements
among the transducer angles in both the rest and the head-lift conditions. An
alpha of 0.05 was used for all tests. Results: No significant effect of
transducer angle was found in IRD measurements acquired with participants at rest
(F2.24,31.3=1.814; p=0.18) or during a head lift (F3.15,44.1=1.315; p=0.28).
Conclusion: When using USI, cranial or caudal tilt errors in transducer angle do
not appear to pose a problem when measuring IRD.
- Femmes primipares
- Mesure de la diastase des grands droits (DGD)
- Echographie

Langue : ANGLAIS

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