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.
Posterior Pelvic Tilt. The posterior pelvic tilt is a postural deviation where your pelvis is tilted backward, causing your lower spine to decrease its natural extension. This causes your upper spine and shoulder girdle to round forward to maintain your center of gravity, causing your butt to appear flat and droopy.