smock. 1  a loose, lightweight overgarment worn to protect the clothing while working. 2  to clothe in a smock. 3  to draw (a fabric) by needlework into a honeycomb pattern with diamond-shaped recesses.
The term lordosis refers to the normal inward lordotic curvature of the lumbar and cervical regions of the spine. Excessive curvature of the lower back is known as lumbar hyperlordosis, commonly called hollow back or saddle back (after a similar condition that affects some horses).
Lordosis, also known as swayback, is a condition in which the spine in the lower back has an excessive curvature. The spine naturally curves at the neck, upper back, and lower back to help absorb shock and support the weight of the head.Lordosis occurs when the natural arch in the lower back, or lumbar region, curves more than normal. This can lead to excess pressure on the spine, causing pain.he spine naturally curves at the neck, upper back, and lower back to help absorb shock and support the weight of the head. Lordosis occurs when the natural arch in the lower back, or lumbar region, curves more than normal. This can lead to excess pressure on the spine, causing pain.