We cannot equate this with a purely biological freedom or vitality, or spontaneity. Bergson and His Philosophy J. Alexander Gunn. It is a more serious difficulty that Paul knows of no Longobardic king with a name which we can equate with Sceaf.
But this posture makes your pelvis rock forward into an anterior pelvic tilt, which consequently creates an increased lumbar curve (lordosis). Unfortunately, other tissues such as the muscles described above adapt to this posture over time, which contributes to back pain and injury.
A Rick Olderman , Physical Therapy, answered. The pelvis develops an anterior pelvic tilt for a couple reasons. Our body has a knack for finding the easiest way to get the job done. For instance, ideally we will keep our knees slightly bent and use our thigh and rear-end muscles to stand. This creates an ideal environment for proper pelvic orientation (i.e., a neutral pelvis).