Index to Chiropractic Literature
Index to Chiropractic Literature
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ID 16320
  Title Reliability of measuring iliac crest level in the standing and sitting position using a new measurement device
Journal J Manipulative Physiol Ther. 2003 Sep;26(7):437-441
Peer Review Yes
Publication Type Article
Abstract/Notes BACKGROUND: To date, the reliability studies of iliac crest (IC) level used nominal scales and presented conflicting results. To perform the IC level measurement, we propose the use of a measurement device that is composed of an inclinometer mounted on a crest level tester that measures IC level in degrees.

OBJECTIVES: To determine the interrater reliability of measuring iliac crest level in the standing and sitting position using an experimental device and to assess the precision of the measurements taken with the experimental device.

METHOD: Forty individuals (mean age 40 +/- 12 years) referred to physical therapy for treatment of low back pain (LBP) participated in the study (16 male participants). Six examiners performed the measurements. Three of the 6 examiners performed the measurements on each individual. Each examiner independently performed the measurement of IC level in standing and in sitting using the measurement device.

RESULTS: Intraclass correlation coefficients, [formula (1,1)] for measurement of IC level in standing and sitting, were 0.80 (95% CI = 0.7-0.9) and 0.73 (95% CI = 0.6-0.8), respectively. Standard errors of measurement for IC level in standing and sitting were 0.91 and 0.86 degrees, respectively.

CONCLUSION: The use of a measurement device resulted in good reliability of IC level measurement in degrees in standing and moderate reliability of IC level in sitting position. This finding is relevant to plan future studies that will investigate if changes in IC level may be associated with outcomes of pain and function in patients with low back or pelvic dysfunctions.

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