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.
A condition which is characterized by an exaggerated inward curve of the lower back, is known as lordosis. This article helps you understand what causes this condition. Also known by other names such as 'swayback' or 'saddle back', lordosis is defined as an increases curvature of the normally curved lumbar spine.