Untucking Your Pelvis
This might feel like sticking your bum out behind you or putting a dip in your low back. If you've been sitting/standing/bending with a tucked pelvis, it might not feel natural to be untucked. In sitting, it is the opposite of sitting on your back pockets and involves sitting upright on the front part of your sitbones (or ischial tuberosities if we want to get formal). This supports the natural position of the hip and lumbar spine which in turn affects the proper functioning of the rest of the spine, the hips, digestion, pelvic floor, abdominals, sciatic nerve, etc.
You may need to add a wedge or rolled up towel to the back of your car seat under your bum to counteract bucket seats. Sitting further forward in a chair, with equal weight in your feet and sitbones, will help as well.
This might feel like sticking your bum out behind you or putting a dip in your low back. If you've been sitting/standing/bending with a tucked pelvis, it might not feel natural to be untucked. In sitting, it is the opposite of sitting on your back pockets and involves sitting upright on the front part of your sitbones (or ischial tuberosities if we want to get formal). This supports the natural position of the hip and lumbar spine which in turn affects the proper functioning of the rest of the spine, the hips, digestion, pelvic floor, abdominals, sciatic nerve, etc.
You may need to add a wedge or rolled up towel to the back of your car seat under your bum to counteract bucket seats. Sitting further forward in a chair, with equal weight in your feet and sitbones, will help as well.