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.
One the most common causes of poor bio mechanics of the low back is due to the anterior pelvic tilt. An anterior pelvic tilt occurs when the pelvis (3 different bones) moves forward in relation to where it normally should be, which is neutral.