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.
Back pain is a common symptom of anterior pelvic tilt. This may be spinal, muscular or both. The spinal discs between the vertebrae in the spine are subjected to greater pressure when the curvature of the spine is exaggerated. This can lead to disc degeneration, bulging or herniation.