bäckensänkningen
Bäckensänkningen, often translated as pelvic drop or pelvic inclination, refers to the change in the angle of the pelvis. This angle can be influenced by various factors, including posture, muscle strength, and anatomical variations. In a neutral pelvic position, the anterior superior iliac spines are roughly in the same vertical plane as the pubic symphysis. A posterior pelvic tilt, or tucking the tailbone under, results in a decrease in the pelvic inclination, while an anterior pelvic tilt, or arching the lower back, increases it. These positions are dynamic and can change with movement and sitting or standing.
Certain conditions can lead to noticeable changes in pelvic inclination. For instance, weak abdominal and gluteal