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Validation of the manual inclinometer and flexicurve for the measurement of thoracic kyphosis

BARRETT E; LENEHAN B; O'SULLIVAN K; LEWIS J; MCCREESH K
PHYSIOTHER THEORY PRACT , 2018, vol. 34, n° 4, p. 301-308
Doc n°: 187355
Localisation : Documentation IRR

D.O.I. : http://dx.doi.org/DOI:10.1080/09593985.2017.1394411
Descripteurs : CB3 - CYPHOSE

Physiotherapists commonly use the manual inclinometer and
Flexicurve for the clinical measurement of thoracic spinal posture. The aim of
this study is to examine the concurrent validity of the Flexicurve and manual
inclinometer in relation to the radiographic Cobb angle for the measurement of
thoracic kyphosis. METHODS: Eleven subjects (seven males, four females) underwent
a sagittal plane spinal radiograph. Immediately following the radiograph, a
physiotherapist measured thoracic kyphosis using the Flexicurve and manual
inclinometer before the subjects moved from position. Cobb angles were
subsequently measured from the radiographs by an independent examiner. RESULTS: A
strong correlation was demonstrated between both the Cobb angle and the
Flexicurve angle (r = 0.96) and the Cobb angle and the manual inclinometer angle
(r = 0.86). On observation of the Bland-Altman plots, the inclinometer showed
good agreement with the Cobb angle (mean difference 4.8 degrees +/- 8.9 degrees
). However, the Flexicurve angle was systematically smaller than the Cobb angle
(mean difference 20.3 degrees +/- 6.1 degrees ), which reduces its validity. CONCLUSION:
The manual inclinometer is recommended as a valid instrument for
measuring thoracic kyphosis, with good agreement with the gold standard. While
the Flexicurve is highly correlated to the gold standard, they have poor
agreement. Therefore, physiotherapists should take caution when interpreting its
results.

Langue : ANGLAIS

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