SI JOINT KINETICS (BIOMECHANIS OF SPINE)Physiotherapy Tutorial
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summary of the video with the time for reference:
1.Nutation Kinematics 1:00
-Supine position with hip flexion
-Posterior tilt of innominate bones
-Relative nutation of SI joint
2.Shear Force 2:14
-In single leg stance
-If there is pubic symphysis instability, it will cause instability in hip,spine and even gait
3.Torque 3:47
-Weight from body causes sacral nutation
-GRF causes posterior tilt of innominate bones
-Together it causes nutation torque
-counter torque produced by ligaments and ridges
4. Ligaments 6:45
-Anterior Iliolumbar ligament
-Anterior Sacroiliac ligament
#biomechanicsofspine
#spinebiomechanic
#sijoint