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.
Anterior pelvic tilt occurs when the pelvis rotates anteriorly around the hip joint along a transverse axis. This creates excessive hip flexion and an excessive loordosis at the lumbar spine in a static posture. There are a number of different causes of anterior pelvic tilt.