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.
There are many medical conditions that cause the spine to curve more than normal. These conditions include2,3: 1  Achondroplasia- bones do not grow normally, leading to the short stature.  Spondylolisthesis- the vertebrae in the lower back slip forward.