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Year : 2022  |  Volume : 4  |  Issue : 1  |  Page : 36-40

Reliability of two newly designed pelvic inclinometer for measurement of pelvic inclination in sagittal plane

1 Department of Orthopaedics (Physiotherapy), Santosh Deemed to be University, Ghaziabad, Uttar Pradesh, India
2 Principal/Professor Santosh College of Physiotherapy, Santosh Medical and Dental College, Ghaziabad, Uttar Pradesh, India
3 Department of Orthopaedics, Santosh Hospital, Ghaziabad, Uttar Pradesh, India

Correspondence Address:
Dr. Nishant Kumar Bali
K-H21 Kavi Nagar Ghaziabad, Uttar Pradesh
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijptr.ijptr_68_21

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Context: The use of a pelvic inclinometer in medical practice to evaluate pelvic inclination angle is speedy, noninvasive, and easy to use. There is currently no goniometer available for objective measurement of innominate bone inclination in standing. In clinical assessment, it is necessary to employ portable, reliable, low-cost, and safe measurement apparatus for the measurement of pelvic inclination. Aims: To assess the inter- and intra-tester reliability of a tripod-mounted pelvic inclinometer and a hand-held inclinometer with smartphone application for measuring the angle of pelvic inclination in the sagittal plane. Study Setting and Design: Design of assessing and measuring reliability of pelvic inclinometer in India. Materials and Methods: A total of 160 individuals aged between 18 and 30 years volunteered to participate in the study. Pelvic inclination angle was measured on both sides using two newly developed pelvic inclinometers in the sagittal plane. One was tripod-mounted wooden arm inclinometer and the other was hand-held inclinometer with smartphone software application. Reliability was assessed for the tripod-mounted pelvic inclinometer apparatus that is based on the idea of measuring pelvic tilts with caliper. Further, reliability was also assessed for hand-held pelvic inclinometer with software application in a mobile cell device. Statistical Analysis Used: Cronbach's alpha (C-alpha) and intraclass correlation coefficient (ICC) were used to test reliability. Results: The intratester reliability of the tripod-mounted wooden arm inclinometer on both left (C-alpha - 0.98; ICC - 0.94) and right sides (C alpha - 0.97; ICC - 0.93) was high. Similar findings were noted with the hand-held inclinometer with smartphone software application, with intrarater reliability being high on both right (C-alpha - 0.98; ICC - 0.95) and left sides (C-alpha - 0.98; ICC - 0.96). Conclusion: Both the newly designed pelvic inclinometers, i.e., tripod-mounted wooden arm inclinometer and hand-held inclinometer with smartphone software application, are reliable and consistent for measuring pelvic inclination in the sagittal plane.

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