Evaluación de métodos anatómicos y funcionales para determinar el centro de articulación de la cadera
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Torres Valera, Alejandro | 2020
The position of the Hip Joint Center (HJC) within the pelvis is critical to ensure accurate interpretation of data in motion analysis.
(HJC) within the pelvis is critical to ensure accurate interpretation of data in three-dimensional gait analysis.
three-dimensional gait analysis. The estimation of such a position can often be difficult to
be difficult to measure in-vivo, however, its exact location is important in a number of applications
in a variety of applications such as clinical gait analysis setup [1], and clinical gait
gait analysis [1], and determining the alignment axes of the lower extremities during lower extremity surgery [2].
during knee surgery, a procedure which is becoming increasingly important
which is becoming increasingly important in hip arthroplasty surgery [2].
hip arthroplasty surgery [2].
The pelvis is a ball-and-socket joint in which the center of the femoral head coincides with the center of the femoral head [3].
the center of the femoral head coincides with the center of the acetabulum. This leads to two possible
approaches to determine the HJC; the anatomical method which utilizes anthropometric
anthropometric regression equations to estimate the position of the HJC;
In addition, there is the functional method which estimates the position of the HJC from the motion of the thigh relative to the pelvis. So far, the methods used in the
methods used to determine the center of rotation of the hip have been sources of numerous errors because they require the correct positioning of the markers on the hip.
correct positioning of the markers on the skin over the bony indicators. The
displacement of the skin with respect to the bones, the elasticity of the skin and soft tissue
and soft tissues, especially in obese individuals, are also major obstacles that have been
obstacles that have been tried to be solved [3]. Although extensive research has been
Although extensive research has been conducted to arrive at the smallest error in calculating HJC, it is still unclear which approach presents the best results.
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