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.
(See attached photo attached.). Another cause of the dreaded anterior pelvic tilt is underactive glute muscles. When this area is not very strong, it will allow the tight and overactive hip flexor muscles to tug the pelvis and lumber spine forward. Commonly, this is a pain people find in their lower back. When a person is in this anterior pelvic tilt position for prolonged periods of time, it can cause pain in the lower back, knees, hips and feet.