DETERMINATION OF BONE MINERAL DENSITY OF HIP REGION FROM ANTHROPOMETRIC AND UPPER FEMORAL GEOMETRY USING ACCESSORY ATTACHED TO DIGITAL X-RAY IN POST MENOPAUSAL WOMOEN

摘要

According to basic engineering principle, size and shape determine the strength of an object. In an alternative approach from anthropometric factors like age, height, and weight and geometric factors like hip axis length (HAL), neck shape angle (NSA) and neck width (NW) we formulated a method for determining bone mineral density. Age, height, and weight are the general profile of the patients.HAL, NSA and NW are the geometric factors of the upper end of femoral region measured from digital x-ray.HAL is defined as the distance from the centre of the head of the femur to the base of the greater trochanter.NSA is defined as the angle between the axis of the head and neck with the axis of shaft of the femur and is converted into radiant. NW is the shortest length of the neck of the femur. The novel method and apparatus attached to the digital X-ray computes the BMD from the input values through the ARM micro controller and outputs the said computed BMD in the digital output.