Validity And Reliability Of Tri-Goniometric Method For Measuring Pelvic Tilt And Pelvic Range Of Motion In Standing Posture
Volume 1 - Issue 3, September 2017 Edition
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Thiruvarangan S, Dassanayake T.D.M.S.B, Samaranayake D.B.D.L
Pelvic motion, Pelvic tilt angle, Trigonometric method
The purpose of this study was to examine the validity and reliability of a test designed to measure the pelvic-tilt angle, active posterior and anterior pelvic-tilt angles and ranges of motion, and the total pelvic-tilt range of motion (ROM) in standing position. After an instruction session, the pelvic-tilt angles of the both right and left side of 49 subjects were calculated using trigonometric functions. Ranges of motion were determined from the pelvic-tilt angles. Validity coefficients (Pearson r) for trigonometric measurements were .86; .90 for the standing pelvic-tilt angle, .91; .93 for the anterior pelvic-tilt angle, .86; .89 for the posterior pelvic-tilt angle and .89; .98 for the total ROM right and left side respectively. Reliability coefficients (Pearson r) for trigonometric measurements were .73; .82 for the standing pelvic-tilt angle, .74; .68 for the anterior pelvic-tilt angle, .76; .73 for the posterior pelvic-tilt angle and .88; .95 for the total ROM right and left side respectively. The factors may have influenced the validity and reliability of the measurements, the clinical implications and limitations of the test.
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